Repair Instruction: Initialization

HINT:

The VIN is a 17-digit alphanumeric vehicle identification number. The Techstream is required to register the VIN.

1. DESCRIPTION

   HINT:

   This registration article consists of 2 parts: Read VIN and Write VIN.

   1. Read VIN: This process allows the VIN stored in the ECM to be read in order to confirm that the 2 VINs, the one provided with the vehicle and stored in the vehicle ECM, are the same.
   2. Write VIN: This process allows the VIN to be input into the ECM. If the ECM is changed, or the ECM VIN and vehicle VIN do not match, the VIN can be registered, or overwritten in the ECM by following this procedure.
2. READ VIN
   1. Confirm the vehicle VIN.
   2. Connect the Techstream to the DLC3.
   3. Turn the ignition switch to ON.
   4. Turn the Techstream on.
   5. Enter the following menus: Powertrain / Engine / Utility / VIN / VIN Read.
3. WRITE VIN
   1. Confirm the vehicle VIN.
   2. Connect the Techstream to the DLC3.
   3. Turn the ignition switch to ON.
   4. Turn the Techstream on.
   5. Enter the following menus: Powertrain / Engine / Utility / VIN / VIN Write.

(Automatic Transaxle System) 

HINT:

The TCM memorizes the condition that the ECT controls the automatic transaxle assembly according to those characteristics. Therefore, when the automatic transaxle assembly, or TCM has been replaced, it is necessary to reset the memory so that the TCM can memorize the new information. Reset procedure is as follows:

1. Move the shift lever to N or P.
2. Turn the ignition switch off.
3. Connect the Techstream to the DLC3.
4. Turn the ignition switch to ON.
5. Turn the Techstream on.
6. Enter the following menus: Powertrain / ECT / Utility / A/T Code Reset.
7. Press "Next" again to proceed.
   NOTE: After the transaxle compensation code is initialized, perform the following "Reset Memory" and "Perform Road Test to Allow TCM to learn" steps.
8. Press "Exit".

(Automatic Transaxle System) 

1. Warm up the engine.
2. Turn the ignition switch off.
3. Connect the Techstream to the DLC3.
4. Turn the ignition switch to ON.
5. Turn the Techstream on.
6. Enter the following menus: Powertrain / ECT / Data List / Throttle Position from EFI.
7. From a standstill, achieve highest possible speed with the accelerator pedal opened 15% or less. Keep the accelerator pedal angle steady while driving the vehicle.

   HINT:

   "Throttle Position from EFI": 15% or less

8. Repeat the previous step until shift shock no longer occurs.
9. From a standstill, achieve highest possible speed with the accelerator pedal opened 25% to 35%. Keep the accelerator pedal angle steady while driving the vehicle.

   HINT:

   "Throttle Position from EFI": 25% to 35%

10. Repeat the previous step until shift shock no longer occurs.

HINT:

The TCM (ECT) memorizes the vehicle conditions when controlling the automatic transaxle assembly and engine assembly.

Therefore, when the automatic transaxle assembly, valve body assembly, shift solenoid valve SL3, shift solenoid valve SL4, or TCM has been replaced, it is necessary to reset the memory so that the TCM can memorize the new information.

1. Reset procedure is as follows.
   1. Turn the ignition switch off.
   2. Connect the Techstream to the DLC3.
   3. Turn the ignition switch to ON.
   4. Turn the Techstream on.
   5. Enter the following menus: "Powertrain / ECT / Utility / Reset Memory". Then, press "Next".
   NOTE: After performing Reset Memory, be sure to perform "Perform Road Test to Allow TCM to Learn" described earlier.

• When the automatic transaxle is replaced, the transaxle compensation code must be input into the TCM (proceed to Procedure 1). After the automatic transaxle is reinstalled, the Quick Response (QR) code label will be positioned where the code cannot be read. Therefore, before reinstalling the automatic transaxle, record the transaxle compensation codes or input them in the Techstream.
• When the TCM is replaced, the existing transaxle compensation codes must be input into the new TCM (proceed to Procedure 2).

Fig 1: Identifying Transaxle Compensation Code And QR Code LABEL

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Record the transaxle compensation code specified on the QR label.

   HINT:

   The transaxle compensation code is imprinted on the QR label.

2. Move the shift lever to N or P.
3. Connect the Techstream to the DLC3.
4. Turn the ignition switch to ON.
5. Turn the Techstream on.
   NOTE: Do not start the engine.
6. Enter the following menus: Powertrain / ECT / Utility / A/T Code Registration.
7. Select "Set Compensation Code".
8. Register the compensation code.
   1. Press "Input".
   2. Manually input the transaxle compensation code. The code is a 60-digit alphanumeric value printed on the QR label. After inputting the code, press "OK".
9. Check that the compensation code displayed on the screen is correct by comparing it with the 60-digit alphanumeric value on the QR label.
   NOTE: If an incorrect transaxle compensation code is input into the TCM, shift shock will occur.
10. Press "NEXT" to set the compensation code to the TCM.

    HINT:

    • If the registration process fails, the compensation code may be incorrect. Check the compensation code again.
    • If the attempted compensation code is correct, a problem with the wire harness or a bad connection with the DLC3 may cause a registration failure. Check the wire harness and the DLC3 connection. If no problem is found, the TCM may be malfunctioning. Check the TCM and repeat this operation.
11. Press "EXIT".

HINT:

The following operation is available for use with TCMs that can transmit the registered transaxle compensation code to Techstream.

1. Move the shift lever to N or P.
2. Connect the Techstream to the DLC3.
3. Turn the ignition switch to ON.
4. Turn the Techstream on.
   NOTE: Do not start the engine.

   HINT:

   The transaxle compensation code is imprinted on the QR label.

5. Read the transaxle compensation code.
   1. Enter the following menus: Powertrain / ECT / Utility / A/T Code Registration.
   2. Select "Read Compensation Code".
   3. Press "Save".
   4. Press "Save" or "Overwrite".

      HINT:

      Press "Overwrite".

      NOTE: Do not use the code specified on the transaxle QR label even if the transaxle compensation code cannot be read using the Techstream. The code printed on an in-service transaxle may not match its current characteristics. Replace the TCM with a new one and perform a road test to allow the TCM to learn.
   5. Press "EXIT".
   6. Turn the ignition switch off.
6. Replace the TCM.
7. Set the transaxle compensation code.
   1. Turn the ignition switch to ON.
   2. Turn the Techstream on.
   3. Enter the following menus: Powertrain / ECT / Utility / A/T Code Registration.
   4. Select "Set Compensation Code".
   5. Press "Open".
   6. Press "Open" again to proceed.
   7. Press "Exit".

It is necessary to register the transmitter IDs in the tire pressure warning ECU when replacing a tire pressure warning valve and transmitter and/or a tire pressure warning ECU. Prepare all transmitter ID data before starting registration.

1. Before registration
   1. When replacing the tire pressure warning ECU:
      • Read the registered transmitter IDs that are stored in the old ECU using the Techstream and note them down.
      • If reading stored transmitter IDs is impossible due to malfunctions of components such as the tire pressure warning antenna and receiver, remove the tires from the wheels and check the IDs located on the tire pressure warning valve and transmitters (See TIRE PRESSURE WARNING SYSTEM ).
   2. When replacing a tire pressure warning valve and transmitter:
      • Make a note of the 7-digit number (transmitter ID) written on the tire pressure warning valve and transmitter.
      Fig 2: Identifying Tire Pressure Warning Valve And Transmitter Location

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:

      • The transmitter ID is written on the tire pressure warning valve and transmitter. It will not be possible to read the transmitter ID after installing the tire onto the wheel. Therefore, make a note of the transmitter ID before installing the tire.
      • When one tire pressure warning valve and transmitter is replaced, the transmitter IDs for all the tire pressure warning valve and transmitters must be re-registered. Before registering the transmitter ID of the new tire pressure warning valve and transmitter, check the Data List and record the all of the transmitter IDs that are already registered.

1. Set all tire pressures to the specified value(s) (See TIRE PRESSURE WARNING SYSTEM ).
2. Turn the ignition switch off.
3. Connect the Techstream to the DLC3.
4. Turn the ignition switch to ON.
5. Turn the Techstream on.
6. Enter the following menus: Chassis / Tire Pressure Monitor / Utility / ID Registration.
7. Follow the ID Registration steps displayed the Techstream screen.
8. Confirmation of transmitter ID registration.
   1. Enter the following menus: Chassis / Tire Pressure Monitor / Data List.
   2. Read the "ID Tire Inflation Pressure" values.
   3. Confirm that the tire pressure data of all tires are displayed on the Techstream.
      NOTE:

      • It may takes about 2 or 3 minutes to display the updated the tire pressure data. If the values are not displayed after a few minutes, perform troubleshooting according to the inspection procedure for DTCs C2121/21 to C2124/24 (See DTC C2121/21 NO SIGNAL FROM TRANSMITTER ID1; DTC C2122/22 NO SIGNAL FROM TRANSMITTER ID2; DTC C2123/23 NO SIGNAL FROM TRANSMITTER ID3; DTC C2124/24 NO SIGNAL FROM TRANSMITTER ID4; DTC C2181/81 TRANSMITTER ID1 NOT RECEIVED (TEST MODE DTC); DTC C2182/82 TRANSMITTER ID2 NOT RECEIVED (TEST MODE DTC); DTC C2183/83 TRANSMITTER ID3 NOT RECEIVED (TEST MODE DTC); DTC C2184/84 TRANSMITTER ID4 NOT RECEIVED (TEST MODE DTC) ).
      • If the IDs have not been registered, DTC C2171/71 is set in the tire pressure warning ECU after 3 minutes or more.
      • If normal pressure values are displayed, the IDs have been registered correctly.
      • If the tire pressure values are not displayed after a few minutes, the IDs may be incorrect or the system may have a malfunction.
      • After all IDs are registered, DTC C2126/26 (Transmitter ID not Received) is set in the tire pressure warning ECU and the tire pressure warning light blinks for 1 minute and then comes on. When the tire pressure warning ECU successfully receives signals from all the transmitters whose IDs are stored in the ECU, DTC C2126/26 is cleared and the tire pressure warning light goes off.

1. Follow the chart below to perform calibration.

1. Perform Engine Variant Learning

   HINT:

   Engine variant learning is automatically performed immediately after the Test Mode is entered.

   1. Turn the ignition switch off.
   2. Connect the Techstream to the DLC3.
   3. Turn the ignition switch to ON.
   4. Turn the Techstream on.
   5. Select the skid control ECU to Test Mode using the Techstream. Enter the following menus: Chassis / ABS/VSC/TRAC / Utility / Test Mode.
      Fig 3: Blinking Pattern Of Slip Indicator

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   6. Check that the ABS warning and slip indicator lights blink in Test Mode.

      HINT:

      If learning has not yet been performed, the ABS warning and slip indicator lights will remain on and DTC C1288 (ECU Version Miss Match) will be stored.

   7. Turn the ignition switch off and disconnect the Techstream.

1. Perform Engine Variant Learning

   HINT:

   Engine variant learning is automatically performed immediately after the Test Mode is entered.

   1. Turn the ignition switch off.
   2. Using SST, connect terminals TS and CG of the DLC3.

      SST 09843-18040 

      Text in Illustration 

      CALIBRATION PERFORM CHART
      
      

      *1	Front view of DLC3

   3. Turn the ignition switch to ON.
      Fig 4: Identifying DLC3 Connector Terminal

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   4. Check that the ABS warning and slip indicator lights blink in Test Mode.

      HINT:

      If learning has not yet been performed, the ABS warning and slip indicator lights will remain on and DTC 88 (ECU Version Miss Match) will be stored.

   5. Turn the ignition switch off and disconnect SST from the DLC3.
   Fig 5: Blinking Pattern Of Slip Indicator

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

(Power Steering System) 

• The power steering ECU has been replaced.
• The steering column assembly has been replaced.
• Steering effort differs between turning left and right.

1. Inspection before calibration
   1. Turn the ignition switch off.
   2. Connect the Techstream to the DLC3.
   3. Turn the ignition switch to ON.
   4. Turn the Techstream on.
   5. Calibrate the power steering ECU. Enter the following menus: Chassis / EMPS / Data List.
   6. Check the values by referring to the table below.

   EMPS 

   NORMAL CONDITION CHART
   
   

   Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
   IG Power Supply	ECU power source voltage/ Min.: 0 V Max.: 20.1531 V	10 to 14 V	Ignition switch ON

   Standard Voltage: 

   10 to 14 V 

   NOTE: If the IG power supply voltage is 9 V or less, calibration cannot be performed. In this case, charge or replace the battery, and then perform calibration.
2. Rotation angle sensor calibration value clear, rotation angle sensor initialization, and torque sensor zero point calibration
   NOTE:

   • If DTC C1516 (Torque Sensor Zero Point Adjustment Incomplete) is stored, the torque sensor zero point cannot be calibrated. Clear the DTC before starting calibration.
   • If DTC C1526 (Rotation Angle Sensor Initialization Incomplete) is stored, the rotation angle sensor cannot be initialized. Clear the DTC before starting initialization.
   1. Turn the ignition switch off.
   2. Connect the Techstream to the DLC3.
   3. Turn the ignition switch to ON.
   4. Turn the Techstream on.
   5. Enter the following menus: Chassis / EMPS / Utility / Torque Sensor Adjustment.
      NOTE:

      • Set the steering wheel to the center point and align the front tires straight ahead.
      • Do not turn the steering wheel sharply.
      • Do not touch the steering wheel during the torque sensor zero point calibration (for 3 seconds).

HINT:

• Register a new recognition code when replacing the door control transmitter or the door control receiver.
• Add mode is used to retain the already registered codes while registering a new recognition code. This mode is used when adding a transmitter.
• Rewrite mode is used to clear all the previously registered codes and register only new recognition codes. This mode is used when exchanging the transmitter or the door control receiver for new one.
• Confirmation mode is used to confirm how many recognition codes have already been registered before an additional registration of a recognition code.
• Prohibition mode is used to clear all the registered codes and cancel the wireless door lock function. Use this mode when the transmitter is lost.
• All of the steps in the following registration procedure must be performed in sequential order continuously.

1. The following conditions should be met.
   1. No key is inserted in the ignition key cylinder.
   2. Only driver side door is opened.
2. Perform the following operations to select the desired mode.
   1. Insert and remove the key from the ignition switch twice within 5 seconds. (End in removed)
   2. After the above operation, close and open the driver side door twice. (End in open)

      Then insert the key into the ignition key cylinder and remove it.

      HINT:

      Complete this procedure within 40 seconds.

   3. After the above operations, close and open the driver side door twice. (End in open)

      Then insert the key into the ignition key cylinder and close the all door.

      HINT:

      Complete this procedure within 40 seconds.

   4. Turn the ignition switch from LOCK to ON and back to LOCK at approximately 1-second intervals 1 to 5 times to select a mode (see the illustration below). Then remove the key from the ignition key cylinder.
      Fig 6: Blinking Pattern Of Ignition Switch

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT:

      Complete this procedure within 40 seconds.

      NOTE: If the number of the ON-LOCK operations of the ignition switch is 0, 4, 6 or more, there will be no response to inform which mode has been selected.
   5. After selecting a mode, the main body ECU (driver side junction block assembly) automatically performs the power door LOCK-UNLOCK operation within 5 seconds to inform the selected mode (see the illustration below).
   Fig 7: Blinking Pattern Of Power Door Lock

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   HINT:

   • In confirmation mode, the LOCK-UNLOCK operation will occur once for each recognition code that has been registered. For example, if 2 recognition codes have been registered, the LOCK-UNLOCK operation will occur 2 times.
   • In confirmation mode and prohibition mode, once a LOCK-UNLOCK operation response has occurred, the registration procedure will end.
3. Register new recognition codes (Add mode or Rewrite mode):
   1. Within 45 seconds after add mode or rewrite mode has been selected, press the LOCK and UNLOCK switches on the transmitter switch simultaneously for 1.0 to 1.5 seconds.

      Then, press either one of the switches for more than 1.0 second. (Procedure "A")

   2. Within 5 seconds after the transmitter switch has been released, the LOCK-UNLOCK operation will be automatically performed once if the registration of the recognition code of the transmitter is completed correctly.

      If the LOCK-UNLOCK operation is performed twice, registration of the recognition code has failed. Perform the registration procedure from the beginning. (Procedure "B")

      Fig 8: Transmitter Switch LOCK-UNLOCK Operation Diagram

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   3. If multiple transmitters need to be registered, repeat procedures "A" and "B" within 45 seconds each.

   HINT:

   • Up to the maximum registration number can be registered at once.
   • If even one of the following conditions is met, registration mode will end.
     • 40 seconds have elapsed after a recognition code has been registered.
     • Any of the doors are opened.
     • The key is inserted into the ignition key cylinder.
     • The maximum registration number.

1. Turn the ignition switch to ON.
2. Select either add or rewrite mode according to the Techstream display.
3. The number of registered codes is indicated.
4. Registration of the door control transmitter.
   1. If either add mode or rewrite mode has been selected, press the LOCK and UNLOCK switches on the transmitter simultaneously.
   2. Within 3 seconds of releasing the LOCK and UNLOCK switches, press either of the switches on the door control transmitter.
      NOTE:

      • Do not press the LOCK and UNLOCK switches simultaneously for more than 1.5 seconds.
      • Perform this operation within 1 meter of the driver seat to register the transmitter.
      • Do not push other transmitter switches during the transmitter registration process.
   3. The main body ECU (driver side junction block assembly) automatically performs the power door LOCK-UNLOCK operation once in order to indicate whether registration has been completed correctly or not.
   4. If continuing registration, the next recognition code must be registered in the door control transmitter within 30 seconds.

   HINT:

   Up to 6 recognition codes can be registered.

5. Completing the registration mode.
   1. Registration mode will end when any of the following occurs:
   • 30 seconds or more have elapsed after a code is registered.
   • The Techstream is used to finish registration.
   • The Techstream is disconnected.
   • The ignition switch is turned off.
6. Perform the following after registration is completed.
   1. Perform the wireless door lock control operation check (See OPERATION CHECK ).

   HINT:

   If the wireless door lock control does not operate, perform the registration procedure again.

HINT:

• The ID codes are the same as recognition codes for the wireless transmitter and the engine immobilizer function. Registering an ID code enables the smart key system, the wireless door lock control function and the engine immobilizer function to be operated.
• Code registration is necessary when the certification ECU (smart key ECU assembly), steering lock ECU (steering lock actuator assembly), or key is replaced with a new one.

1. Vehicles with the smart key system do not have a key slot. Therefore, hold the key close to the engine switch to register the key, as shown in the illustration.

Fig 9: Identifying Engine Switch Communication Distance

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

HINT:

• The following procedures require the use of the Techstream:
  • New key ID registration
  • Additional key ID registration
  • Key ID erasure
  • All key ID erasure
  • A maximum of 7 keys can be registered.

1. The following table shows ECU replacement and key registration procedures for cases in which a malfunctioning ECU has been identified through the troubleshooting of the smart key system.

HINT:

• The following procedures can be performed:

  New key ID registration

  Additional key ID registration

  Key ID erasure

  All key ID erasure

• If the customer has not brought all the registered keys, replacement of the steering lock ECU (steering lock actuator assembly) is also required.
• A maximum of 7 keys can be registered.

1. Procedure "A"

   New key ID registration (when replacing the certification ECU (smart key ECU assembly) and steering lock ECU (steering lock actuator assembly))

   KEY REGISTRATION OPERATION CHART
   
   

   Process	Procedure
   1. Start of registration	Connect the Techstream to DLC3 Turn the engine switch on (IG) Enter the following menus: Body Electrical / Smart Key / Utility / Smart Code Registration HINT:The engine switch cannot be turned on (IG) more than 10 times. After connecting the Techstream, turn the Techstream on while turning the driver side door courtesy light switch on and off repeatedly at 1.5-second intervals or less to continue key registration procedure.
   2. Confirmation of ECU code	Perform operation according to prompts on the Techstream screen HINT: Mode is automatically selected by the Techstream (new registration mode or add mode).
   3. Verification of unregistered key(1)	Hold the unregistered key close to the engine switch (for details, refer to " 21Description of Code Registration") Confirm that the wireless door lock buzzer sounds once (short beep) Place the unregistered key on the driver seat Confirm that the wireless door lock buzzer sounds once (short beep)
   4. Registration of ID code	Perform operation according to prompts on the Techstream screen
   5. End of registration	Finish new key ID code registration
   (1) Repeat this process for each key which is to be registered for the vehicle. Finish the procedure for each key within 30 seconds. If the procedure for any of the keys has not been finished within the specified time, perform the registration procedures again from process 1. Make sure that only 1 key is in the cabin during the registration procedures. If 2 or more keys are in the cabin simultaneously, electric waves will interfere with each other, preventing normal registration.

2. Procedure "B"

   New key ID registration (when replacing the certification ECU (smart key ECU assembly))

   KEY REGISTRATION OPERATION CHART
   
   

   Process	Procedure
   1. Start of registration	Connect the Techstream to DLC3 Turn the engine switch on (IG) Enter the following menus: Body Electrical / Smart Key / Utility / Smart Code Registration HINT: The engine switch cannot be turned on (IG) more than 10 times. After connecting the Techstream, turn the Techstream on while turning the driver side door courtesy light switch on and off repeatedly at 1.5-second intervals or less to continue key registration procedure.
   2. Confirmation of ECU code	Perform operation according to prompts on the Techstream screen HINT: Mode is automatically selected by the Techstream (new registration mode or add mode).
   3. Confirmation of all registered keys(1)	Hold the registered key close to the engine switch (for details, refer to " 21") Confirm that wireless door lock buzzer sounds once (short beep)
   4. Confirmation of ECU code	Perform operation according to prompts on the Techstream screen
   5. Verification of unregistered key(2)	Hold the unregistered key close to the engine switch (for details, refer to " 21Description of Code Registration") Confirm that wireless door lock buzzer sounds once (short beep) Place the unregistered key on the driver seat Confirm that the wireless door lock buzzer sounds once (short beep)
   5. Registration of ID code	Perform operation according to prompts on the Techstream screen
   6. End of registration	Finish new key ID code registration
   (1) Repeat this process for each key registered for the vehicle. Finish the procedure for each key within 30 seconds. If the procedure for any of the keys has not been finished within the specified time, perform the registration procedures again from process 1. If the key confirmation procedure for a key is performed, the security indicator light comes on and remains on until all the keys are confirmed. (2) Repeat this process for each key which is to be registered for the vehicle. Finish the procedure for each key within 30 seconds. If the procedure for any of the keys is not finished within the specified time, perform the registration procedures again from 1. Make sure that only 1 key is in the cabin during the registration procedures. If 2 or more keys are in the cabin simultaneously, electric waves will interfere with each other, preventing normal registration.

3. Procedure "C"

   Additional key ID registration

   KEY REGISTRATION OPERATION CHART
   
   

   Process	Procedure
   1. Start of registration	Connect the Techstream to DLC3 Turn the engine switch on (IG) Enter the following menus: Body Electrical / Smart Key / Utility / Smart Code Registration
   2. Confirmation of registered key(1)	Perform operation according to prompts on the Techstream screen HINT: Mode is automatically selected by the Techstream (new registration mode or add mode) Hold the registered key close to the engine switch (for details, refer to " 21Description of Code Registration") Confirm that the wireless door lock buzzer sounds once (short beep)
   3. Confirmation of ECU code	Perform operation according to prompts on the Techstream screen
   4. Verification of unregistered key(2)	Hold the unregistered key close to the engine switch (for details, refer to "  21Description of Code Registration") Confirm that the wireless door lock buzzer sounds once (short beep) Place the unregistered key on the driver seat Confirm that the wireless door lock buzzer sounds once (short beep)
   5. Registration of ID code	Perform operation according to prompts on the Techstream screen
   6. End of registration	Finish additional key ID code registration
   (1) Perform this process for one of the keys registered for the vehicle. Finish the procedure within 30 seconds. If the procedure has not been finished within the specified time, perform the registration procedures again from process 1. (2) Repeat this process for each key which is to be registered for the vehicle. Finish the procedure for each key within 30 seconds. If the procedure for any of the keys is not finished within the specified time, perform the registration procedures again from 1. Make sure that only 1 key is in the cabin during the registration procedures. If 2 or more keys are in the cabin simultaneously, electric waves will interfere with each other, preventing normal registration.

4. Procedure "D"

   Key ID erasure

   HINT:

   Procedure "D" erases all registered key codes except one.

   REGISTERED KEY CODES CHART
   
   

   Process	Procedure
   1. Start of erasure	Connect the Techstream to DLC3 Turn the engine switch on (IG) Enter the following menus: Body Electrical / Smart Key / Utility / Smart Code Erasure
   2. Confirmation of registered key(1) HINT: Select the key that will not be erased.	Perform operation according to prompts on the Techstream screen Hold the registered key close to engine switch (For details, refer to " 21 Description of Code Registration") Confirm that the wireless door lock buzzer sounds once (short beep)
   3. Confirmation of ECU code	Perform operation according to prompts on the Techstream screen
   4. Erasure of ID code	Perform operation according to prompts on the Techstream screen
   5. End of erasure	Finish key ID code erasure
   (1) Perform this process for one of the keys registered for the vehicle. Finish the procedure within 30 seconds. If the procedure has not been finished within the specified time, perform the erasure procedures again from process 1.

5. Procedure "E"

   All key ID erasure

   HINT:

   Procedure "E" erases all the key codes registered in the vehicle.

   REGISTERED KEY CODES CHART
   
   

   Process	Procedure
   1. Start of erasure	Connect the Techstream to DLC3 Turn the engine switch on (IG) Turn the Techstream on while turning driver side door courtesy light switch on and off repeatedly at 1.5-second intervals or less Enter the following menus: Body Electrical / Smart Key / Utility / Smart Code Reset
   2. Confirmation of ECU code	Perform operation according to prompts on the Techstream screen
   3. Erasure of ID code	Perform operation according to prompts on the Techstream screen
   4. End of erasure	Finish key ID code erasure

6. Procedure "F"

   ECU communication ID registration

   NOTE:

   • The ECU communication ID should be registered when the certification ECU (smart key ECU assembly) is replaced in order to match these ECU communication IDs.
   • The engine cannot be started unless the ECU communication IDs match.
   • After the registration, pressing the engine switch may not start the engine on the first try. If so, press the engine switch again.
   • Clear DTC B2799 (code for ECM immobilizer communication error) by either of the following:

   • Use the Techstream.
   • Disconnect the cable from the negative (-) battery terminal for 30 seconds.
   1. Using SST, connect terminals TC and CG of the DLC3.

      SST 09843-18040 

      Fig 10: Identifying Terminals TC And CG Of DLC3

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   2. Turn the engine switch on (IG) and leave it as is for 30 minutes.

      HINT:

      Do not start the engine.

   3. Turn the engine switch off and disconnect terminals TC and CG.
   4. Check that the engine starts and stays running for more than 3 seconds.

HINT:

The key has 2 codes: the key code (immobilizer code) and the wireless code. Both of these codes need to be registered. For the wireless code registration procedures, refer to Wireless Door Lock Control System (See REGISTRATION ).

1. When adding master keys or sub keys (Additional registration):
   1. Register the key code (immobilizer code) in the transponder key ECU assembly.
   REGISTERED KEY CODES CHART
   
   

   Target ECU	Refer to
   Transponder key ECU assembly	Procedure "B"

2. When replacing the transponder key ECU assembly (New registration):
   1. Register the key code (immobilizer code) in the new transponder key ECU assembly.
      ECU REFERENCE
      
      

      Target ECU	Refer to
      Transponder key ECU assembly	Procedure "A"

   2. Register the ECU communication ID between the new transponder key ECU assembly and the ECM.
   ECU REFERENCE
   
   

   Target ECU	Refer to
   ECM	Procedure "E"

3. When replacing the ECM:
   1. Register the ECU communication ID between the transponder key ECU assembly and the new ECM.
   ECU REFERENCE
   
   

   Target ECU	Refer to
   Transponder key ECU assembly	Procedure "F"

4. When replacing the transponder key ECU assembly and the ECM:
   1. Register the key codes (immobilizer codes) in the new transponder key ECU assembly.
      ECU REFERENCE
      
      

      Target ECU	Refer to
      Transponder key ECU assembly	Procedure "A"

   2. Register the ECU communication ID between the new transponder key ECU assembly and the new ECM.
   ECU REFERENCE
   
   

   Target ECU	Refer to
   Transponder key ECU assembly	Procedure "F"

5. When erasing key codes:
   1. Erasing all of the key codes except the master key.
      ECU REFERENCE
      
      

      Target ECU	Refer to
      Transponder key ECU assembly	Procedure "C"

   2. Erasing all of the key codes.
   ECU REFERENCE
   
   

   Target ECU	Refer to
   Transponder key ECU assembly	Procedure "D"

1. New key code registration (Procedure "A"):
   NOTE: Make sure that no key codes are registered in the transponder key ECU assembly.

   HINT:

   • In this mode, a maximum of 3 key codes for 2 master keys and 1 sub-key can be registered. The master keys and sub-key can be registered in any order because the transponder key ECU assembly can distinguish between different types of keys.
   • New key codes must be registered with the battery connected. The ignition switch can be either ON or off.
   • When a new transponder key ECU assembly is installed, key codes must be registered in the transponder key ECU assembly.

   Automatic Key Code Registration (New Registration) 

   ECU REFERENCE
   
   

   Procedure	Security Indicator Light Condition
   1. Start	Blinking HINT: Until first key is inserted
   2. Insert the master key into the ignition key cylinder.	ON
   3. Techstream operation Enter the following menus: Body Electrical / Immobilizer / Utility / Key Registration HINT: After completing the above operation, proceed to the next step in accordance with the prompts on the Techstream screen.	OFF for 1 second and then ON
   4. Remove the key and then select Next on the Techstream.	ON
   5. Insert the master key to be registered and then select Next on the Techstream.	OFF for 1 second and then ON
   6. Remove the key and then select Next on the Techstream.	ON
   7. Insert the sub-key to be registered and then select Next on the Techstream.	OFF for 1 second and then ON for 0.5 seconds and then OFF
   8. Remove the key.	Blinking
   9. End (Procedure "E")

   HINT:

   • When the engine immobilizer system is operating normally and the key is pulled out, the security indicator light blinks continuously.
   • If the new key code registration fails, code 2-1 will be output through the security indicator light. Trying to re-register an already registered key will cause code 2-2 to be output when the key is inserted. If the number of registered key codes exceeds the maximum limit, code 2-3 will be output through the security indicator light. The output details are shown below.
   Fig 11: Blinking Pattern Of Security Indicator Light

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Finish the automatic key code registration mode. The automatic key code registration mode can be forced to end when at least 1 key code (immobilizer code) for the master key has been registered.

   HINT:

   Follow the instruction on the Techstream screen to end new key code registration mode.

1. Additional registration (Procedure "B"):

   HINT:

   • A maximum of 5 key codes and 3 sub-key codes can be registered.
   • Registration mode will end if any step is not completed within the specified time.
   • When the ignition cylinder or the key cylinder set is replaced, remove the transmitter module from the original master key. Then install this transmitter module to a new key and use the new key as the master key. If necessary, use this master key to register other keys.
   NOTE: When the ignition key cylinder has been replaced, locking and unlocking doors are possible with the new master key's transmitter module (removed from the original master key). However, the new master key will not be able to lock and unlock doors through the door key cylinder. Keep the original master key. If the battery in the new master key's transmitter module fails, the original master key can be used to lock and unlock doors through the door key cylinder.

   Additional Registration 

   ECU REFERENCE
   
   

   Procedure	Time to Complete Operation	Security Indicator Light Condition
   1. Start	-	Blinking HINT: Until first key is inserted
   2. Insert the already registered master key into the ignition key cylinder and turn the ignition switch to ON.	-	OFF
   3. Techstream operation Enter the following menus: Body Electrical / Immobilizer / Utility / Key Registration HINT: After completing the above operation, proceed to the next step in accordance with the prompts on the Techstream screen.	Within 120 sec.	ON
   4. Remove the master key.	Within 20 sec. HINT: After the Techstream instruction	ON
   5. Insert the key to be registered in the ignition key cylinder.	Within 10 sec.	Blinking
   6. Wait for 60 sec. after the key is registered. HINT: The security indicator light goes off.	-	OFF
   7. Remove the key.	-	Blinking
   8. End

   HINT:

   • A brief outline of a key code registration procedure is shown above. For detailed information, refer to the Techstream screen.
   • When the engine immobilizer system is operating normally and the key is pulled out, the security indicator light blinks continuously.
   • If the key code registration has failed in automatic key code registration mode, code 2-1 will be output through the security indicator light. Trying to re-register an already registered key will cause code 2-2 to be output when the key is inserted. If the number of registered key codes exceeds the maximum limit, code 2-3 will be output through the security indicator light. The details are shown in procedure "A".

1. Key code erasure (Procedure "C"):

   HINT:

   • Performing this procedure will erase all key codes except for the master key, which is used for erasing the key codes. In order to use a key whose code has been erased, a new key code must be registered.
   • This procedure will be canceled if each step is not completed within the specified time.

   Key Code Erasure 

   ECU REFERENCE
   
   

   Procedure	Time to Complete Operation	Security Indicator Light Condition
   1. Start	-	Blinking HINT: Until first key is inserted
   2. Insert the already registered master key in the ignition key cylinder and turn the ignition switch to ON.	-	OFF
   3. Techstream operation Enter the following menus: Body Electrical / Immobilizer / Utility / Transponder Code Erasure HINT: After completing the above operation, proceed to the next step in accordance with the prompts on the Techstream screen.	Within 120 sec.	ON for 1 sec. then OFF
   4. Remove the master key.	Within 10 sec. HINT: After the Techstream instruction	ON
   5. End

   HINT:

   • A brief outline of a key code registration procedure is shown above. For detailed information, refer to the Techstream screen.
   • When the engine immobilizer system is operating normally and the key is pulled out, the security indicator light blinks continuously.
2. All key code erasure (Procedure "D"):

   HINT:

   • To perform this procedure, at least 1 key should have been registered to the transponder key ECU assembly.
   • This procedure can be performed using either a registered or unregistered key.

   All Key Code Erasure 

   SECURITY INDICATOR LIGHT CONDITION CHART
   
   

   Procedure	Time to Complete Operation	Security Indicator Light Condition
   1. Start	-	Blinking
   2. Insert previously registered master key or unregistered key into ignition key cylinder and turn ignition switch to ON.	Within 10 min.	ON or OFF
   3. Using TIS, confirm that user and vehicle match.
   4. Techstream operation Enter the following menus: Body Electrical / Immobilizer / Utility / Transponder Code Erasure HINT: After completing the above operation, proceed to the next step in accordance with the prompts on the Techstream screen.	Within 15 min.	ON for 1 sec. then OFF
   5. Completion of erasure of all key codes is displayed.	Within 10 sec. HINT: After the Techstream instruction	ON
   6. End

   HINT:

   • A brief outline of a key code registration procedure is shown above. For detailed information, refer to the Techstream screen.
   • When the engine immobilizer system is operating normally and the key is pulled out, the security indicator light blinks continuously.

1. ECU communication ID registration (Procedure "E"):
   NOTE:

   • When the transponder key ECU assembly is replaced, the ECU communication ID of the ECM must be registered into the transponder key ECU assembly to match their ECU communication IDs.
   • The engine cannot be started unless the ECU communication IDs match.
   • Do not turn the ignition switch from ON to off 20 times or more before registering the ECU communication ID. Turning the ignition switch from ON to off 20 times or more will result in the engine not starting unless the transponder key ECU assembly is replaced with a new one.
   • After the registration, turning the ignition switch to START may not start the engine on the first try. If so, turn the ignition switch to START again.
   • After the engine is started, clear DTC B2799 (code for ECM immobilizer communication error) by either of the following:
   • Using the Techstream
   • Disconnecting the battery for 30 seconds
   1. Using SST, connect terminals TC and CG of the DLC3.

      SST 09843-18040 

      Fig 12: Identifying Terminals TC And CG Of DLC3

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   2. Turn the ignition switch to ON and leave the vehicle as is for 30 minutes.

      HINT:

      Do not start the engine.

   3. Check that the engine starts.
2. ECU communication ID registration (Procedure "F"):
   NOTE: The ECU communication ID should be registered when the ECM and transponder key ECU assembly are replaced or when the ECM only is replaced in order to match the ECU communication ID.

   ECU Communication ID Registration 

   ECU COMMUNICATION ID REGISTRATION CHART
   
   

   Procedure	Security Indicator Light Condition
   1. Start	OFF
   2. Insert an already registered key into the ignition key cylinder.
   3. Start the engine.
   4. Check that the engine starts and stays on for more than 3 seconds.
   5. End

HINT:

Perform zero point calibration and sensitivity check if any of the following conditions occur:

• The occupant classification ECU is replaced.
• Accessories (seatback tray and seat cover, etc.) are installed.
• The front passenger seat is removed from the vehicle.
• The passenger airbag ON/OFF indicator ("OFF") comes on when the front passenger seat is not occupied.
• The vehicle is brought to the workshop for repair due to an accident or a collision.

1. Zero point calibration procedure

   HINT:

   Make sure that the zero point calibration has finished normally, and then perform sensitivity check.

   1. Check that all of the following conditions are met:
      • The vehicle is parked on a level surface.
      • No objects are placed on the front passenger seat.
      • The front passenger seat belt buckle switch is off.
   2. Adjust the seat position according to the table below.
      ITEM SPECIFICATION
      
      

      Adjustment Item	Position
      Slide Direction	Rearmost position
      Reclining Angle	Upright position
      Headrest Height	Lowest position

   3. Turn the ignition switch off.
   4. Connect the Techstream to the DLC3.
   5. Turn the ignition switch to ON and turn the Techstream on.
   6. Enter the following menus: Body Electrical / Occupant Detection / Utility / Zero Point Calibration.
   7. Perform zero point calibration by following the prompts on the Techstream screen.

   HINT:

   • Refer to the Techstream operator's manual for further details.
   • If zero point calibration does not complete, replace the front seat assembly RH.

   OK: 

   "Zero Point Calibration is complete." is displayed  .

1. Sensitivity check procedure
   1. Turn the ignition switch off.
   2. Connect the Techstream to the DLC3.
   3. Turn the ignition switch to ON and turn the Techstream on.
   4. Enter the following menus: Body Electrical / Occupant Detection / Utility / Sensitivity Check.
   5. Perform sensitivity check by following the prompts on the Techstream screen.

      HINT:

      Refer to the Techstream operator's manual for further details.

   6. Confirm that the initial sensor reading is within the specified range.

      Standard: 

      -3.2 to 3.2 kg (-7.0 to 7.0 lb) 

   7. Place a 30 kg (66.1 lb) weight (eg. a 30 kg (66.1 lb) of lead mass) onto the front passenger seat.
   8. Confirm that sensitivity is within the specified range.

   Standard: 

   27 to 33 kg (59.5 to 72.8 lb) 

   HINT:

   • When performing sensitivity check, use a solid metal weight (the check result may not appear properly if a liquid weight made from liquid is used).
   • If sensitivity deviates from the specified range, retighten the bolts of the front passenger seat without deforming the seat rail. After performing this procedure, if sensitivity is not within the specified range, replace the front seat assembly RH.

HINT:

When the battery is replaced, it is not necessary to initialize the power window regulator motor assembly.

1. Initialization procedure when replacing the power window regulator motor assembly with a new one:
   1. Connect the battery and turn the ignition switch to ON (at this time, the LED on the power window regulator master switch assembly or power window regulator switch assembly blinks to indicate that it is ready for initialization).
   2. Fully open the window by fully pushing down the power window regulator master switch assembly or power window regulator switch assembly, and hold the switch for 1 second or more after the window is fully opened.
   3. Fully close the power window by fully pulling up the power window regulator master switch assembly or power window regulator switch assembly, and hold the switch for 1 second or more after the window is fully closed to reset the glass position. The LED on the power window regulator master switch assembly or power window regulator switch assembly stops blinking and illuminates to indicate that the initialization is complete.
2. Initialization procedure when removing/installing the power window regulator motor assembly:
   1. Connect the battery and turn the ignition switch to ON.
   2. Fully close the power window by fully pulling up the power window regulator master switch assembly or power window regulator switch assembly, and hold the switch for 6 seconds or more after the window is fully closed (if the power window does not move or stops halfway even when the switch is fully pulled, release the switch and fully pull it again).
   3. Fully open the window by pushing down the power window regulator master switch assembly or power window regulator switch assembly, and hold the switch for 1 second or more after the window is fully opened.
   4. Release the power window regulator master switch assembly or power window regulator switch assembly. Then fully push down and hold the switch for 4 seconds or more.
   5. Fully close the power window by fully pulling up the power window regulator master switch assembly or power window regulator switch assembly, and hold the switch for 1 second or more after the window is fully closed to reset the glass position and complete the initialization.
3. Initialization procedure when the power window does not fully open:
   1. Connect the battery and turn the ignition switch to ON.
   2. Fully close the power window by fully pulling up the power window regulator master switch assembly or power window regulator switch assembly, and hold the switch for 6 seconds or more after the window is fully closed (if the power window does not move or stops halfway even when the switch is fully pulled, release the switch and fully pull it again).
   3. Fully open the window by pushing down the power window regulator master switch assembly or power window regulator switch assembly, and hold the switch for 1 second or more after the window is fully opened.
   4. Release the power window regulator master switch assembly or power window regulator switch assembly. Then fully push down and hold the switch for 4 seconds or more.
   5. Fully close the power window by fully pulling up the power window regulator master switch assembly or power window regulator switch assembly, and hold the switch for 1 second or more after the window is fully closed to reset the glass position and complete the initialization.

HINT:

When the cable of the negative (-) battery terminal is disconnected and reconnected or the drive gear connector is disconnected and reconnected, the sliding roof drive gear (pulse sensor initial position setting) initialization is not necessary.

1. Perform initialization according to the table below.

HINT:

Before performing initialization, make sure that there is no foreign matter on the guide rails and the guide rails are not deformed.

1. Procedure A
   1. Turn the ignition switch to ON.
   2. Press and hold the SLIDE CLOSE or TILT DOWN switch.
      NOTE: Make sure not to release the switch during the initialization. If the switch is released, perform the initialization again.
   3. The sliding roof glass starts sliding close operation and stops at the fully closed position.
   4. After the sliding roof glass stops, check that the sliding roof glass moves again and stops at the correct fully closed position.

   HINT:

   The initialization process ends when this operation completes.

2. Procedure B
   1. Turn the ignition switch to ON.
   2. Press the SLIDE CLOSE (TILT DOWN) switch until the following movements finish and then release the switch: starts sliding close (tilting down) → erroneously reverses → stops operation for 10 seconds → starts sliding close (tilting down) → stops at the fully closed position.
   3. Perform Procedure A.
3. Procedure C
   1. Turn the ignition switch to ON.
   2. Press and hold the TILT DOWN switch until the sliding roof glass stops and then release the switch.
   3. Press and hold the TILT DOWN switch again for 10 seconds or more.
   4. The sliding roof glass starts tilting down operation and stops at the fully closed position.
   5. After the sliding roof glass stops, check that the sliding roof glass moves again and stops at the correct fully closed position.

   HINT:

   The initialization process ends when this operation completes.

1. Unload the vehicle and its trunk, ensuring that the spare tire, tools and jack are in their original positions.
2. Check that there are no passengers in the vehicle.
3. Turn off the headlights.
4. Stop the vehicle on a level surface and keep the vehicle height unchanged.

1. Turn the ignition switch to ON, and check the indicator light.

OK 

HINT:

If the indicator light does not come on when turning the ignition switch to ON, inspect and repair it according to Problem Symptoms Table (See PROBLEM SYMPTOMS TABLE ).

NG: GO TO   3  PROBLEM SYMPTOMS TABLE 

OK: GO TO NEXT STEP 

Fig 13: Identifying DLC3 Connector Terminal

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Connect terminals 4 (CG) and 8 (LVL) of the DLC3 using SST

   SST 09843-18040 

2. Turn the low beam headlights on and off using the light control switch within 20 seconds after connecting the terminals.

   HINT:

   The number of times the low beam headlights need to be turned on and off is determined by the present fuel level as shown below.

   FUEL LEVEL REFERENCE
   
   

   Fuel Level	Number of Times to Turn Low Beam Headlights on and off
   Fuel level is within A range.	1
   Fuel level is within B range.	2
   Fuel level is within C range.	3
   Fuel level is within D range.	4
   Fuel level is within E range.	5

   Fig 14: Identifying Low Beam Headlights Of Fuel Level

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   NOTE:

   • Turn the low beam headlights on and off at approximately 1-second intervals.
   • Be sure to operate the light control switch from outside the vehicle.
3. Check the indicator light.

   OK 

   INDICATOR LIGHT SPECIFICATION
   
   

   Condition	Specified Condition
   The headlight leveling ECU assembly Is replaced with a new one.	Blinks 6 times at 2 Hz → Continuously blinks N*1 times at 2 Hz.
   Removal and reinstallation of the headlight leveling ECU assembly, replacement of the rear height control sensor sub-assembly RH, removal and reinstallation of the rear height control sensor sub-assembly RH, replacement of the suspension, etc. Is performed.	Off → Continuously blinks N*1 times at 2 Hz.
   HINT: *1: The number of times that indicator blinks is determined by the number of times the low beam headlights are turned on and off. If initialization cannot be finished normally, disconnect SST from the DLC3 and turn the ignition switch off. Then, restart from procedure 1.

   NG: GO TO   3 PROBLEM SYMPTOMS TABLE 

   OK: TURN ENGINE SWITCH OFF (END)