Inspection Procedure

OK: Each function of wireless door lock control system operates normally using transmitter switches. 

OK: SYSTEM IS OK 

NG: Go to Next Step 

1. Check that the transmitter's LED illuminates 3 times when the switch is pressed 3 times.

   OK: Transmitter's LED illuminates 3 times when switch is pressed 3 times. 

NG: Go to step  4

OK: Go to Next Step 

1. Check standard LOCK (PANIC), UNLOCK and LUGGAGE switch operation.
   NOTE: Standardized test procedure: press the transmitter switch for 1 second, directing the transmitter to the driver side door outside handle from a distance of 1 m (3.28 ft.). The transmitter should be pointed directly at the handle, i.e. at a 90° angle to the vehicle body.

NG: Go to step  5

OK: REPLACE DOOR CONTROL TRANSMITTER ASSEMBLY 

1. After replacing the transmitter battery, check that the doors can be locked and unlocked using the transmitter switches.

   OK: Doors can be locked and unlocked with transmitter. 

NG: REPLACE DOOR CONTROL TRANSMITTER ASSEMBLY 

OK: END 

1. Check that the wireless door lock buzzer sounds.

   OK: Wireless door lock buzzer sounds. 

NG: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE 

OK: Go to Next Step 

1. Switch to self-diagnostic mode on the intelligent tester.
   1. Connect the intelligent tester to the DLC3.
   2. Turn the ignition switch ON and push the intelligent tester main switch ON.

      HINT:

      Please refer to the intelligent tester operator's manual for further details.

2. Switch to self-diagnostic mode by operating the ignition key cylinder.
   1. Put the vehicle under the vehicle's initial condition, insert the key into the ignition key cylinder and remove it.
   2. Within 5 seconds of removing the key in the previous step, insert the key into the ignition key cylinder (ignition key OFF). Then turn the ignition switch to ON and return it to OFF.
   3. Within 30 seconds returning the ignition switch to OFF again in the previous step, perform the following 9 times: Turn the ignition switch to ON and return it to OFF.
      NOTE: If the change to self-diagnostic mode has failed, the system will return to normal mode.

      HINT:

      • Turning the ignition switch to ON will end self-diagnostic mode.
      • Do not lock or unlock doors during self-diagnostic mode.
3. Check that the system has switched to self-diagnostic mode by checking the wireless door lock buzzer sound. Compare the buzzer sound to the illustration.

   OK: Buzzer sound should be same as illustration. 

NG: Go to step  11

Fig 1: Buzzer Output Blinking Pattern

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: Go to Next Step 

1. Inspect the diagnosis outputs when the door control transmitter switch is held down. The diagnosis outputs can be checked by listening to the wireless door lock buzzer.
   Fig 2: Self Diagnostic Mode Blinking Pattern

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Result: 

   RESULT CHART
   
   

   Result	Proceed to
   Normal waves (buzzer sound patterns) for LOCK (PANIC), UNLOCK or LUGGAGE switches are output	A
   Unmatching recognition code is output and buzzer is ON	B
   No diagnosis outputs are present and buzzer is OFF	C

B: REPLACE THEFT WARNING ECU 

C: Go to step  9

A: Go to Next Step 

1. Check that the system can switch to rewrite mode or add mode, and that a recognition code can be registered.

   OK: Recognition code can be registered. 

NG: Go to Step  10

OK: SYSTEM IS OK 

1. Prepare a new or functioning door control transmitter from the same vehicle model. Press and hold a switch on the transmitter and check that an unmatching recognition code is output.

   OK: Unmatching recognition code is output. 

NG: Go to step  14

OK: REPLACE DOOR CONTROL TRANSMITTER ASSEMBLY 

1. After replacing the inner rear view mirror, check that the doors can be locked and unlocked by using the transmitter LOCK / UNLOCK switch.

   OK: Doors can be locked and unlocked with transmitter. 

NG: REPLACE THEFT WARNING ECU 

OK: END 

Result: 

B: Go to step  6

A: Go to Next Step 

1. Disconnect the T7 ECU connector.
   Fig 3: Identifying T7 ECU Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Measure the voltage and resistance of the wire harness side connector.

   Standard voltage 

   TESTER CONNECTION SPECIFIED CONDITION CHART
   
   

   Tester Connection	Specified Condition
   T7-1 (+B) - Body ground	10 to 14 V

   Standard resistance 

   TESTER CONNECTION SPECIFIED CONDITION CHART
   
   

   Tester Connection	Specified Condition
   T7-20 (GND) - Body ground	Below 1 Ω

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to Next Step 

1. Disconnect the I19 receiver connector.
   Fig 4: Identifying I19 Receiver Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Disconnect the T7 ECU connector.
3. Measure the voltage and resistance of the wire harness side connectors.

   Standard resistance 

   TESTER CONNECTION SPECIFIED CONDITION CHART
   
   

   Tester Connection	Specified Condition
   I19-10 (DATA) - T7-29 (RDA)	Below 1 Ω
   I19-9 (RSSI) - T7-30 (RSSI)	Below 1 Ω
   H9-5 (+5) - T7-15 (RCO)	Below 1 Ω
   I19-8 (E1) -Body ground	Below 1 Ω
   I19-10 (DATA) or T7-29 (RDA) - Body ground	10 kΩ or higher
   I19-9 (RSSI) or T7-30 (RSSI) - Body ground	10 kΩ or higher
   I19-5 (+5) or T7-15 (RCO) - Body ground	10 kΩ or higher

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to Next Step 

1. Reconnect the I19 connector.
   Fig 5: Identifying I19 Receiver Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Measure the voltage of the connector.

   Standard voltage 

   TESTER CONNECTION SPECIFIED CONDITION CHART
   
   

   Tester Connection	Condition	Specified Condition
   I19-10 (DATA) - Body ground	Each transmitter switch OFF (no key in ignition key cylinder and all doors closed)	Below 1 V
   DATA I19-10 (DATA) -Body ground	Each transmitter switch ON (no key in ignition key cylinder and all doors closed)	Alternating between 6 to 7 V and below 1 V

NG: Go to step  10

OK: REPLACE THEFT WARNING ECU