Wireless Transmitter Memory Function does not Operate [10/2018 - 07/2022]: Procedure
- CHECK POWER DOOR LOCK CONTROL SYSTEM
- Check the manual lock/unlock function by using the door control switch (multiplex network master switch assembly).
Refer to OPERATION CHECK [10/2018 - 07/2022]
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 [10/2018 - 07/2022]
Result:
OK
See step 2
- Check the manual lock/unlock function by using the door control switch (multiplex network master switch assembly).
- CHECK SMART ACCESS SYSTEM WITH PUSH-BUTTON START (for Start Function)
- Check that the engine starts 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
Result Proceed to OK A NG (for Gasoline Model) B NG (for HV Model) C
Result:
B
GO TO SMART ACCESS SYSTEM WITH PUSH-BUTTON START (for Start Function). Refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2018 - 07/2022]
Result:
C
GO TO SMART ACCESS SYSTEM WITH PUSH-BUTTON START (for Start Function). Refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2018 - 07/2022]
Result:
A
See step 3
- Check that the engine starts normally when the ignition 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 [10/2018 - 07/2022]
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 [10/2018 - 07/2022]
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 [10/2018 - 07/2022]
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 ignition switch to ON.
- 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 SW Front door courtesy light switch assembly LH signal ON or OFF ON: Driver door open
OFF: Driver door closed- Body Electrical > Main Body > Data List
Tester Display FL Door Courtesy SW 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 [10/2018 - 07/2022]
Result:
OK
See step 5
- CHECK MEMORY CALL FUNCTION (MEMORY REGISTRATION)
- Check the memory registration of the memory call function.
Refer to OPERATION CHECK [10/2018 - 07/2022]
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 ignition switch to ON.
- 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 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- 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
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 [10/2018 - 07/2022]
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 [10/2018 - 07/2022]
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 [10/2018 - ]
Result:
NG
GO TO OTHER DIAGNOSIS PROCEDURE (WIRELESS-LINKED RETURN FUNCTION DOES NOT OPERATE). Refer to Wireless-linked Return Function does not Operate [10/2018 - 07/2022]
- 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 or known good one.
Refer to REMOVAL [10/2018 - 07/2022]
Result
Proceed to NEXT
Result:
NEXT
See step 9
- Replace the main body ECU (multiplex network body ECU) 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 [10/2018 - 07/2022]
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 LH
- Replace the position control ECU assembly LH with a new or known good one.
Refer to REMOVAL [10/2018 - 07/2022]
Result
Proceed to NEXT
Result:
NEXT
See step 11
- Replace the position control ECU assembly LH 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 [10/2018 - 07/2022]
OK
A seat position can be registered normally.
Result
Proceed to OK NG
Result:
OK
END (POSITION CONTROL ECU ASSEMBLY LH WAS DEFECTIVE)
Result:
NG
REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY). Refer to REMOVAL [10/2018 - 07/2022]
- Check the memory registration of the memory call function.