Wireless Transmitter Memory Function does not Operate [08/2016 - ]: Procedure

1. Check the manual lock/unlock function by using the door control switch (power window regulator master switch assembly).

   Refer to OPERATION CHECK [12/2012 - ]

   OK

   Manual lock/unlock function operates normally.

Result: 

NG 

GO TO POWER DOOR LOCK CONTROL SYSTEM:  HOW TO PROCEED WITH TROUBLESHOOTING [12/2012 - ] 

Result: 

OK 

See step  2

1. Check that the wireless door lock/unlock operates normally.

   OK

   Wireless door lock/unlock operates normally.

Result: 

NG 

GO TO WIRELESS DOOR LOCK CONTROL SYSTEM:  HOW TO PROCEED WITH TROUBLESHOOTING [12/2012 - ] 

Result: 

OK 

See step  3

1. Check that the engine starts normally when the ignition switch is pressed with the brake pedal depressed and while carrying the key.

   OK

   Engine starts normally.

Result: 

NG 

GO TO SMART KEY SYSTEM (for Start Function):  HOW TO PROCEED WITH TROUBLESHOOTING [12/2012 - ] 

Result: 

OK 

See step  4

1. Store a seat position in memory.

   Refer to OPERATION CHECK [08/2016 - ]

2. Check that the buzzer sounds for 0.5 seconds to indicate that a position has been stored.
   NOTE:

   • The seat position will not be recorded if the SET switch and 2 of the seat memory switches are pressed simultaneously.
   • If a memorizing operation has failed, release all switches. The seat memory function does not operate unless the switches are released.

   OK

   Seat position memory function operates normally.

Result: 

NG 

GO TO OTHER DIAGNOSIS PROCEDURE (Power Seat Position is not Memorized):  Power Seat Position is not Memorized [08/2016 - ]  

Result: 

OK 

See step  5

1. Restore a memorized seat position.

   Refer to OPERATION CHECK [08/2016 - ]

2. Check that the buzzer sounds for 0.1 seconds and the seat automatically moves to the memorized position.
   NOTE:

   • The seat will not return to the memorized position if 2 of the seat memory switches are pressed simultaneously.
   • If a restoring operation has failed, release all switches. The seat memory restoring function does not operate unless the switches are released.

   OK

   Seat position restoring function operates normally.

Result: 

NG 

GO TO OTHER DIAGNOSIS PROCEDURE (Power Seat does not Return to Memorized Position):  Power Seat does not Return to Memorized Position [08/2016 - ]  

Result: 

OK 

See step  6

1. Connect the Techstream to the DLC3.
2. Turn the engine switch on (IG).
3. Turn the Techstream on.
4. Enter the following menus: Body Electrical / Main Body / Data List.
5. Read the Data List according to the display on the Techstream.

   Body Electrical > Main Body > Data List 

   Tester Display	Measurement Item	Range	Normal Condition	Diagnostic Note
   FR Door Courtesy SW	Front door courtesy light switch assembly signal	ON or OFF	ON: Driver door open OFF: Driver door closed	-

   Body Electrical > Main Body > Data List 

   Tester Display
   FR Door Courtesy SW

   OK

   ON or OFF appears on the screen according to the driver door condition.

Result: 

NG 

GO TO LIGHTING SYSTEM (Front Door Courtesy Switch Circuit) Door Courtesy Switch Circuit [12/2012 - ] 

Result: 

OK 

See step  7

1. When the following conditions are met, press the manual lock or unlock switch on the power window regulator master switch assembly.
   • Engine switch is off
   • M1 or M2 seat memory switch is pressed and held
   • Driver door closed
   • Key is being carried
2. Check that the buzzer sounds for 0.5 seconds to indicate the completion of memory call registration.

   Refer to OPERATION CHECK [08/2016 - ]

   Result

   Result	Proceed to
   Buzzer sounds normally	A
   Buzzer does not sound normally	B

Result: 

B 

See step  10

Result: 

A 

See step  8

1. Connect the Techstream to the DLC3.
2. Turn the engine switch on (IG).
3. Turn the Techstream on.
4. Enter the following menus: Body Electrical / Main Body / Data List.
5. Read the Data List according to the display on the Techstream.

   Body Electrical > Main Body > Data List 

   Tester Display	Measurement Item	Range	Normal Condition	Diagnostic Note
   Mem SW No. w/KeyID1	Memory switch linked with key ID1	NONE, MEM SW1, MEM SW2, or MEM SW3*	NONE: No switches linked with key ID1 MEM SW1: M1 switch linked with key ID1 MEM SW2: M2 switch linked with key ID1 MEM SW3: M3 switch linked with key ID1*	-
   Mem SW No. w/KeyID2	Memory switch linked with key ID2	NONE, MEM SW1, MEM SW2, or MEM SW3*	NONE: No switches linked with key ID2 MEM SW1: M1 switch linked with key ID2 MEM SW2: M2 switch linked with key ID2 MEM SW3: M3 switch linked with key ID2*	-
   Mem SW No. w/KeyID3	Memory switch linked with key ID3	NONE, MEM SW1, MEM SW2, or MEM SW3*	NONE: No switches linked with key ID3 MEM SW1: M1 switch linked with key ID3 MEM SW2: M2 switch linked with key ID3 MEM SW3: M3 switch linked with key ID3*	-
   Mem SW No. w/KeyID4	Memory switch linked with key ID4	NONE, MEM SW1, MEM SW2, or MEM SW3*	NONE: No switches linked with key ID4 MEM SW1: M1 switch linked with key ID4 MEM SW2: M2 switch linked with key ID4 MEM SW3: M3 switch linked with key ID4*	-
   Mem SW No. w/KeyID5	Memory switch linked with key ID5	NONE, MEM SW1, MEM SW2, or MEM SW3*	NONE: No switches linked with key ID5 MEM SW1: M1 switch linked with key ID5 MEM SW2: M2 switch linked with key ID5 MEM SW3: M3 switch linked with key ID5*	-
   Mem SW No. w/KeyID6	Memory switch linked with key ID6	NONE, MEM SW1, MEM SW2, or MEM SW3*	NONE: No switches linked with key ID6 MEM SW1: M1 switch linked with key ID6 MEM SW2: M2 switch linked with key ID6 MEM SW3: M3 switch linked with key ID6*	-
   Mem SW No. w/KeyID7	Memory switch linked with key ID7	NONE, MEM SW1, MEM SW2, or MEM SW3*	NONE: No switches linked with key ID7 MEM SW1: M1 switch linked with key ID7 MEM SW2: M2 switch linked with key ID7 MEM SW3: M3 switch linked with key ID7*	-

   1. *: Although the item is displayed on the Techstream, it is not applicable to this vehicle.

   Body Electrical > Main Body > Data List 

   Tester Display
   Mem SW No. w/KeyID1
   Mem SW No. w/KeyID2
   Mem SW No. w/KeyID3
   Mem SW No. w/KeyID4
   Mem SW No. w/KeyID5
   Mem SW No. w/KeyID6
   Mem SW No. w/KeyID7

   OK

   On the Techstream display, it is confirmed that the memory call has been registered.

Result: 

NG 

REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU):  REMOVAL [12/2012 - ] 

Result: 

OK 

See step  9

1. Turn the engine switch off.
2. Close and lock all doors.
3. Unlock the driver door by pressing the unlock switch of the memory call registered key or touching the driver door outside handle while holding the memory call registered key.
4. Open the driver door and check that the driver seat moves to the memorized position.

   Refer to OPERATION CHECK [08/2016 - ]

   Result

   Result	Proceed to
   Driver seat moves to the memorized position	A
   Driver seat does not move to the memorized position	B

Result: 

A 

USE SIMULATION METHOD TO CHECK:  HOW TO PROCEED WITH TROUBLESHOOTING [08/2016 - 08/2017]  ,  HOW TO PROCEED WITH TROUBLESHOOTING [08/2017 - ] 

Result: 

B 

GO TO OTHER DIAGNOSIS PROCEDURE (Wireless-linked Return Function does not Operate):  Wireless-linked Return Function does not Operate [08/2016 - ]  

1. Replace the main body ECU (multiplex network body ECU).

   Refer to REMOVAL [12/2012 - ]

Result: 

NEXT 

See step  11

1. When the following conditions are met, press the manual lock or unlock switch on the multiplex network master switch assembly.
   • Engine switch is off
   • M1 or M2 seat memory switch is pressed and held
   • Driver door closed
   • Key is being carried
2. Check that the buzzer sounds for 0.5 seconds to indicate the completion of memory call registration.

   Refer to OPERATION CHECK [08/2016 - ]

   Result

   Result	Proceed to
   Buzzer sounds normally	A
   Buzzer does not sound normally	B

Result: 

A 

END (MAIN BODY ECU [MULTIPLEX NETWORK BODY ECU] WAS DEFECTIVE) 

Result: 

B 

See step  12

1. Replace the position control ECU and switch assembly.

   Refer to REMOVAL [12/2012 - ]

Result: 

NEXT 

See step  13

1. When the following conditions are met, press the manual lock or unlock switch on the multiplex network master switch assembly.
   • Engine switch is off
   • M1 or M2 seat memory switch is pressed and held
   • Driver door closed
   • Key is being carried
2. Check that the buzzer sounds for 0.5 seconds to indicate the completion of memory call registration.

   Refer to OPERATION CHECK [08/2016 - ]

   Result

   Result	Proceed to
   Buzzer sounds normally	A
   Buzzer does not sound normally	B

Result: 

A 

END (POSITION CONTROL ECU AND SWITCH ASSEMBLY WAS DEFECTIVE) 

Result: 

B 

REPLACE SMART KEY ECU ASSEMBLY:  REMOVAL [10/2015 - ]