Wireless Transmitter Memory Function does not Operate [12/2021 - ]: Procedure

1. Check the manual lock/unlock function by using the door control switch (multiplex network master switch assembly).

   Refer to OPERATION CHECK [12/2021 - ]

   OK

   Manual lock/unlock function operates normally.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

GO TO POWER DOOR LOCK CONTROL SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [12/2021 - ] 

Result: 

OK 

See step  2

1. Check that the engine starts operates normally when the ignition switch is pressed while carrying the electrical key transmitter sub-assembly and with the brake pedal depressed.

   OK

   Engine starts normally.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

GO TO SMART ACCESS SYSTEM WITH PUSH-BUTTON START (for Start Function). Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [12/2021 - ] 

Result: 

OK 

See step  3

1. Check the seat position memory and restoring functions.

   Refer to OPERATION CHECK [12/2021 - ]

   Result

   Result	Proceed to
   OK	A
   NG (Seat position memory function does not operate normally)	B
   NG (Seat position restoring function does not operate normally)	C

Result: 

B 

GO TO OTHER DIAGNOSIS PROCEDURE (Power Seat Position is not Memorized). Refer to  Power Seat Position is not Memorized [12/2021 - ]  

Result: 

C 

GO TO OTHER DIAGNOSIS PROCEDURE (Power Seat does not Return to Memorized Position). Refer to  Power Seat does not Return to Memorized Position [12/2021 - ]  

Result: 

A 

See step  4

1. Read the Data List according to the display on the GTS.

   Body Electrical > Main Body > Data List 

   Tester Display	Measurement Item	Range	Normal Condition	Diagnostic Note
   FR Door Courtesy Switch Status	Front door courtesy light switch assembly (RH) signal	Close or Open	Close: Front door RH closed Open: Front door RH open	For RHD
   FL Door Courtesy Switch Status	Front door courtesy light switch assembly (LH) signal	Close or Open	Close: Front door LH closed Open: Front door LH open	For LHD

   Body Electrical > Main Body > Data List 

   Tester Display
   FR Door Courtesy Switch Status
   FL Door Courtesy Switch Status

   OK

   On the GTS screen, ON or OFF is displayed accordingly.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

GO TO LIGHTING SYSTEM (Door Courtesy Switch Circuit). Refer to  Door Courtesy Switch Circuit [12/2021 - ] 

Result: 

OK 

See step  5

1. Check the memory registration of the memory call function.

   Refer to OPERATION CHECK [12/2021 - ]

   OK

   A seat position can be registered normally.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

See step  8

Result: 

OK 

See step  6

1. Read the Data List according to the display on the GTS.

   Body Electrical > Main Body > Data List 

   Tester Display	Measurement Item	Range	Normal Condition	Diagnostic Note
   MEM Switch No. with Key ID 1	Memory switch linked with key ID1	NONE, D MEM SW1, D MEM SW2 or D MEM SW3	NONE: No switches linked with key ID1 D MEM SW1: M1 switch linked with key ID1 D MEM SW2: M2 switch linked with key ID1 D MEM SW3: M3 switch linked with key ID1	-
   MEM Switch No. with Key ID 2	Memory switch linked with key ID2	NONE, D MEM SW1, D MEM SW2 or D MEM SW3	NONE: No switches linked with key ID2 D MEM SW1: M1 switch linked with key ID2 D MEM SW2: M2 switch linked with key ID2 D MEM SW3: M3 switch linked with key ID2	-
   MEM Switch No. with Key ID 3	Memory switch linked with key ID3	NONE, D MEM SW1, D MEM SW2 or D MEM SW3	NONE: No switches linked with key ID3 D MEM SW1: M1 switch linked with key ID3 D MEM SW2: M2 switch linked with key ID3 D MEM SW3: M3 switch linked with key ID3	-
   MEM Switch No. with Key ID 4	Memory switch linked with key ID4	NONE, D MEM SW1, D MEM SW2 or D MEM SW3	NONE: No switches linked with key ID4 D MEM SW1: M1 switch linked with key ID4 D MEM SW2: M2 switch linked with key ID4 D MEM SW3: M3 switch linked with key ID4	-
   MEM Switch No. with Key ID 5	Memory switch linked with key ID5	NONE, D MEM SW1, D MEM SW2 or D MEM SW3	NONE: No switches linked with key ID5 D MEM SW1: M1 switch linked with key ID5 D MEM SW2: M2 switch linked with key ID5 D MEM SW3: M3 switch linked with key ID5	-
   MEM Switch No. with Key ID 6	Memory switch linked with key ID6	NONE, D MEM SW1, D MEM SW2 or D MEM SW3	NONE: No switches linked with key ID6 D MEM SW1: M1 switch linked with key ID6 D MEM SW2: M2 switch linked with key ID6 D MEM SW3: M3 switch linked with key ID6	-
   MEM Switch No. with Key ID 7	Memory switch linked with key ID7	NONE, D MEM SW1, D MEM SW2 or D MEM SW3	NONE: No switches linked with key ID7 D MEM SW1: M1 switch linked with key ID7 D MEM SW2: M2 switch linked with key ID7 D MEM SW3: M3 switch linked with key ID7	-

   Body Electrical > Main Body > Data List 

   Tester Display
   MEM Switch No. with Key ID 1
   MEM Switch No. with Key ID 2
   MEM Switch No. with Key ID 3
   MEM Switch No. with Key ID 4
   MEM Switch No. with Key ID 5
   MEM Switch No. with Key ID 6
   MEM Switch No. with Key ID 7

   OK

   A seat position memory switch is linked to the electrical key transmitter sub-assembly.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to  REMOVAL [12/2021 - ] 

Result: 

OK 

See step  7

1. Check the memory registration and automatic memory call function of the memory call function.

   Refer to OPERATION CHECK [12/2021 - ]

   OK

   A seat position can be registered and the automatic memory call function operates normally.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [12/2021 - ] 

Result: 

NG 

GO TO OTHER DIAGNOSIS PROCEDURE (Wireless-linked Return Function does not Operate). Refer to  Wireless-linked Return Function does not Operate [12/2021 - ]  

1. Replace the main body ECU (multiplex network body ECU) with a new or known good one.

   Refer to REMOVAL [12/2021 - ]

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  9

1. Check the memory registration of the memory call function.

   Refer to OPERATION CHECK [12/2021 - ]

   OK

   A seat position can be registered normally.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

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

Result: 

NG 

See step  10

1. Replace the position control ECU assembly with a new or known good one.

   Refer to REMOVAL [12/2021 - ]

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  11

1. Check the memory registration of the memory call function.

   Refer to OPERATION CHECK [12/2021 - ]

   OK

   A seat position can be registered normally.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

END (POSITION CONTROL ECU ASSEMBLY WAS DEFECTIVE) 

Result: 

NG 

REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY). Refer to  REMOVAL [12/2021 - ]