Wireless Transmitter Memory Function does not Operate [11/2024 - ]: Procedure
- CHECK POWER DOOR LOCK CONTROL SYSTEM
- Check the manual lock/unlock function by using the door control switch (multiplex network master switch).
Refer to OPERATION CHECK [11/2024 - ]
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 [11/2024 - ]
Result:
OK
See step 2
- Check the manual lock/unlock function by using the door control switch (multiplex network master switch).
- CHECK SMART KEY SYSTEM (for Start Function)
- Check that the engine starts normally when the engine 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 KEY SYSTEM (for Start Function)
Refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2023 - ]
Result:
OK
See step 3
- Check that the engine starts normally when the engine switch is pressed while carrying the electrical key transmitter sub-assembly and with the brake pedal depressed.
- CHECK SEAT POSITION MEMORY AND RESTORING FUNCTION
- 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 [11/2024 - ]
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 [11/2024 - ]
Result:
A
See step 4
- Check the seat position memory and restoring functions.
- READ VALUE USING TECHSTREAM (FL DOOR COURTESY SW)
- Connect the Techstream to the DLC3.
- Turn the engine switch on (IG).
- Turn the Techstream on.
- Enter the following menus: Body Electrical / Main Body / Data List.
- 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 FL Door Courtesy Switch Status Front door courtesy light switch assembly LH signal Open or Close Open: Driver door open
Close: Driver door closed- Body Electrical > Main Body > Data List
Tester Display FL Door Courtesy Switch Status OK
On the Techstream 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 [11/2024 - ]
Result:
OK
See step 5
- CHECK MEMORY CALL FUNCTION (MEMORY REGISTRATION)
- 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
- Check the memory registration of the memory call function.
- READ VALUE USING TECHSTREAM (MEMORY CALL REGISTRATION)
- Connect the Techstream to the DLC3.
- Turn the engine switch on (IG).
- Turn the Techstream on.
- Enter the following menus: Body Electrical / Main Body / Data List.
- 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 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*- - *: Although this item is displayed on the Techstream, it is not applicable to this vehicle.
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 [10/2023 - ]
Result:
OK
See step 7
- CHECK MEMORY CALL FUNCTION (MEMORY REGISTRATION AND AUTOMATIC MEMORY CALL FUNCTION)
- 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 [11/2018 - ]
Result:
NG
GO TO OTHER DIAGNOSIS PROCEDURE (Wireless-linked Return Function does not Operate)
Refer to Wireless-linked Return Function does not Operate [11/2024 - ]
- Check the memory registration and automatic memory call function of the memory call function.
- REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)
- Replace the main body ECU (multiplex network body ECU) with a new one.
Refer to REMOVAL [10/2023 - ]
Result
Proceed to NEXT
Result:
NEXT
See step 9
- Replace the main body ECU (multiplex network body ECU) with a new one.
- CHECK MEMORY CALL FUNCTION (MEMORY REGISTRATION)
- 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
- Check the memory registration of the memory call function.
- REPLACE POSITION CONTROL ECU ASSEMBLY
- Replace the position control ECU assembly with a new or known good one.
Refer to REMOVAL [10/2023 - ]
Result
Proceed to NEXT
Result:
NEXT
See step 11
- Replace the position control ECU assembly with a new or known good one.
- CHECK MEMORY CALL FUNCTION (MEMORY REGISTRATION)
- 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 [10/2023 - ]
- Check the memory registration of the memory call function.