POWER MIRROR CONTROL SYSTEM(w/ Memory) Wireless Transmitter Memory Function does not Operate

DESCRIPTION

Key IDs can be registered (linked) with either the M1, M2 or M3 seat memory switches. The key ID registration procedure should be performed while the electrical key transmitter sub-assembly is in the vehicle, the power switch is on (IG), and the driver door is closed. When registration is completed, the buzzer will sound as an answerback.

CAUTION / NOTICE / HINT

Note

If the main body ECU (multiplex network body ECU) is replaced, refer to Service Bulletin.

PROCEDURE


  1. CHECK POWER DOOR LOCK OPERATION


    1. Check the power door lock operation Click here.

      OK
      Power door lock operation is normal.

    NG

    GO TO POWER DOOR LOCK CONTROL SYSTEM (PROBLEM SYMPTOMS TABLE) Click here

    OK

  2. CHECK SMART ENTRY AND START SYSTEM (for ENTRY FUNCTION)


    1. Check the smart entry and start system (for entry function) Click here.

      OK
      Smart entry and start system (for entry function) is normal.

    NG

    GO TO SMART ENTRY AND START SYSTEM (PROBLEM SYMPTOMS TABLE) Click here

    OK

  3. CHECK MEMORY AND REACTIVATION FUNCTION


    1. A00040YE01
      Text in Illustration
      *a Turn to Fully Left Position

      Turn the power switch on (IG).

    2. Using the outer mirror switch assembly, turn the mirror surface to the fully left position.

    3. Press the M1 switch while the SET switch is being pressed.

    4. Check that the buzzer sounds for 0.5 seconds and the mirror surface position is stored.

    5. Using the outer mirror assembly, turn the mirror surface to the fully right position.

    6. Press the M1 switch.

    7. Check that the buzzer sounds for 0.1 seconds and the outer mirror automatically moves to the stored fully left position.

      Result
      Result Proceed to
      Memory and reactivation function is normal A
      Memory function is not normal B
      Reactivation function is not normal C

    B

    GO TO OTHER DIAGNOSIS PROCEDURE (Power Mirror Surface Position is not Memorized) Click here

    C

    GO TO OTHER DIAGNOSIS PROCEDURE (Power Mirrors do not Return to Memorized Position) Click here

    A

  4. READ VALUE USING GTS (DOOR COURTESY SWITCH)


    1. Connect the GTS to the DLC3.

    2. Turn the power switch on (IG).

    3. Turn the GTS on.

    4. Enter the following menus: Body Electrical / Main Body / Data List.

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

      Main Body
      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      FL Door Courtesy SW Driver door courtesy switch condition / ON or OFF

      ON: Door courtesy switch on (driver door open)

      OFF: Door courtesy switch off (driver door closed)

      		 *1
      FR Door Courtesy SW Driver door courtesy switch condition / ON or OFF

      ON: Door courtesy switch on (driver door open)

      OFF: Door courtesy switch off (driver door closed)

      		 *2

      • *1: for LHD

      • *2: for RHD

      OK
      On the GTS screen, ON or OFF is displayed for each item according to the table above.

    NG

    GO TO LIGHTING SYSTEM (Door Courtesy Switch Circuit) Click here

    OK

  5. PERFORM ELECTRICAL KEY TRANSMITTER SUB-ASSEMBLY RECOGNITION CODE REGISTRATION


    1. With the power switch on (IG) and the driver door closed, press and hold the M1, M2 or M3 switch. The main body ECU (multiplex network body ECU) will enter electrical key transmitter sub-assembly recognition code registration mode to allow a key to be linked to the mirror surface memory position.

      Tech Tips

      If the seat memory switch is released before entering registration mode, the main body ECU (multiplex network body ECU) will not enter registration mode.

    2. When the manual door lock switch is pressed, check that the buzzer of the front power seat switch LH*1 or RH*2 sounds once (0.5 seconds).


      • *1: for LHD

      • *2: for RHD

      OK
      The buzzer sounds when registration is completed.

    NG

    PERFORM ACTIVE TEST USING GTS Click here

    OK

  6. PERFORM MEMORY DELETION


    1. Enter the following menus: Body Electrical / Main Body / Data List.

    2. After performing any of the following procedures to cut the link between the key and switch, check that the Data List for the applicable key changes to NONE.

    3. With the power switch on (IG) and the driver door closed, press and hold the SET switch. The main body ECU (multiplex network body ECU) will enter electrical key transmitter sub-assembly recognition code deletion mode.

      Tech Tips

      If the SET switch is released before entering deletion mode, the main body ECU (multiplex network body ECU) will not enter deletion mode.

    4. When the manual door lock switch is pressed, check that the buzzer of the front power seat switch LH*1 or RH*2 sounds twice (0.1 seconds each time).


      • *1: for LHD

      • *2: for RHD

      Main Body
      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      Mem SW No. w/KeyID1 Switch linked with key ID1 / NONE, MEM SW1, MEM SW2, or MEM SW3

      NONE: No switches linked with key ID1

      MEM SW1: M1 linked with key ID1

      MEM SW2: M2 linked with key ID1

      MEM SW3: M3 linked with key ID1

      		 -
      Mem SW No. w/KeyID2 Switch linked with key ID2 / NONE, MEM SW1, MEM SW2, or MEM SW3

      NONE: No switches linked with key ID2

      MEM SW1: M1 linked with key ID2

      MEM SW2: M2 linked with key ID2

      MEM SW3: M3 linked with key ID2

      		 -
      Mem SW No. w/KeyID3 Switch linked with key ID3 / NONE, MEM SW1, MEM SW2, or MEM SW3

      NONE: No switches linked with key ID3

      MEM SW1: M1 linked with key ID3

      MEM SW2: M2 linked with key ID3

      MEM SW3: M3 linked with key ID3

      		 -
      Mem SW No. w/KeyID4 Switch linked with key ID4 / NONE, MEM SW1, MEM SW2, or MEM SW3

      NONE: No switches linked with key ID4

      MEM SW1: M1 linked with key ID4

      MEM SW2: M2 linked with key ID4

      MEM SW3: M3 linked with key ID4

      		 -
      Mem SW No. w/KeyID5 Switch linked with key ID5 / NONE, MEM SW1, MEM SW2, or MEM SW3

      NONE: No switches linked with key ID5

      MEM SW1: M1 linked with key ID5

      MEM SW2: M2 linked with key ID5

      MEM SW3: M3 linked with key ID5

      		 -
      Mem SW No. w/KeyID6 Switch linked with key ID6 / NONE, MEM SW1, MEM SW2, or MEM SW3

      NONE: No switches linked with key ID6

      MEM SW1: M1 linked with key ID6

      MEM SW2: M2 linked with key ID6

      MEM SW3: M3 linked with key ID6

      		 -
      Mem SW No. w/KeyID7 Switch linked with key ID7 / NONE, MEM SW1, MEM SW2, or MEM SW3

      NONE: No switches linked with key ID7

      MEM SW1: M1 linked with key ID7

      MEM SW2: M2 linked with key ID7

      MEM SW3: M3 linked with key ID7

      		 -
      OK
      The Data List display for the applicable key changes to NONE.

    NG

    REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) Click here

    OK

  7. PERFORM MEMORY REGISTRATION


    1. After performing any of the following procedures to link the key and a switch, check the Data List to confirm that the key and switch have been linked.

    2. With the power switch on (IG) and the driver door closed, press and hold the M1, M2 or M3 switch. The main body ECU (multiplex network body ECU) will enter electrical key transmitter sub-assembly recognition code registration mode to allow a key to be linked to the mirror surface memory position.

      Tech Tips

      If the seat memory switch is released before entering registration mode, the main body ECU (multiplex network body ECU) will not enter registration mode.

    3. When the manual door lock switch is pressed, check that the buzzer of the front power seat switch LH*1 or RH*2 sounds once (0.5 seconds).


      • *1: for LHD

      • *2: for RHD

      Main Body
      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      Mem SW No. w/KeyID1 Switch linked with key ID1 / NONE, MEM SW1, MEM SW2, or MEM SW3

      NONE: No switches linked with key ID1

      MEM SW1: M1 linked with key ID1

      MEM SW2: M2 linked with key ID1

      MEM SW3: M3 linked with key ID1

      		 -
      Mem SW No. w/KeyID2 Switch linked with key ID2 / NONE, MEM SW1, MEM SW2, or MEM SW3

      NONE: No switches linked with key ID2

      MEM SW1: M1 linked with key ID2

      MEM SW2: M2 linked with key ID2

      MEM SW3: M3 linked with key ID2

      		 -
      Mem SW No. w/KeyID3 Switch linked with key ID3 / NONE, MEM SW1, MEM SW2, or MEM SW3

      NONE: No switches linked with key ID3

      MEM SW1: M1 linked with key ID3

      MEM SW2: M2 linked with key ID3

      MEM SW3: M3 linked with key ID3

      		 -
      Mem SW No. w/KeyID4 Switch linked with key ID4 / NONE, MEM SW1, MEM SW2, or MEM SW3

      NONE: No switches linked with key ID4

      MEM SW1: M1 linked with key ID4

      MEM SW2: M2 linked with key ID4

      MEM SW3: M3 linked with key ID4

      		 -
      Mem SW No. w/KeyID5 Switch linked with key ID5 / NONE, MEM SW1, MEM SW2, or MEM SW3

      NONE: No switches linked with key ID5

      MEM SW1: M1 linked with key ID5

      MEM SW2: M2 linked with key ID5

      MEM SW3: M3 linked with key ID5

      		 -
      Mem SW No. w/KeyID6 Switch linked with key ID6 / NONE, MEM SW1, MEM SW2, or MEM SW3

      NONE: No switches linked with key ID6

      MEM SW1: M1 linked with key ID6

      MEM SW2: M2 linked with key ID6

      MEM SW3: M3 linked with key ID6

      		 -
      Mem SW No. w/KeyID7 Switch linked with key ID7 / NONE, MEM SW1, MEM SW2, or MEM SW3

      NONE: No switches linked with key ID7

      MEM SW1: M1 linked with key ID7

      MEM SW2: M2 linked with key ID7

      MEM SW3: M3 linked with key ID7

      		 -
      OK
      Data List shows that the key ID has been linked to a switch (M1, M2 or M3).

    NG

    REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) Click here

    OK

  8. CHECK MEMORY CALL FUNCTION


    1. Perform a wireless door unlock operation and check that opening the driver door causes the following:


      • The buzzer sounds for 0.1 seconds.

      • The mirror surface position automatically moves to a stored position.

        OK
        Memory call function is normal.

    OK

    USE SIMULATION METHOD TO CHECK Click here

    NG

    GO TO OTHER FLOW CHART Click here

  9. PERFORM ACTIVE TEST USING GTS


    1. Enter the following menus: Body Electrical / Driver Seat / Active Test.

    2. Perform Active Test according to the display on the GTS.

      Driver Seat
      Tester Display Test Part Control Range Diagnostic Note
      Buzzer Buzzer built into the front power seat switch LH*1 or RH*2 ON or OFF -

      • *1: for LHD

      • *2: for RHD

      OK
      The buzzer sound turns on or off.

    NG

    REPLACE FRONT POWER SEAT SWITCH Click here

    OK

  10. REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)


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


    NEXT

  11. PERFORM MEMORY REGISTRATION


    1. After performing any of the following procedures to link the key and a switch, check the Data List to confirm that the key and switch have been linked.

    2. With the power switch on (IG) and the driver door closed, press and hold the M1, M2 or M3 switch. The main body ECU (multiplex network body ECU) will enter electrical key transmitter sub-assembly recognition code registration mode to allow a key to be linked to mirror surface memory position.

      Tech Tips

      If the seat memory switch is released before entering registration mode, the main body ECU (multiplex network body ECU) will not enter registration mode.

    3. When the manual door lock switch is pressed, check that the buzzer of the front power seat switch LH*1 or RH*2 sounds once (0.5 seconds).


      • *1: for LHD

      • *2: for RHD

      Main Body
      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      Mem SW No. w/KeyID1 Switch linked with key ID1 / NONE, MEM SW1, MEM SW2, or MEM SW3

      NONE: No switches linked with key ID1

      MEM SW1: M1 linked with key ID1

      MEM SW2: M2 linked with key ID1

      MEM SW3: M3 linked with key ID1

      		 -
      Mem SW No. w/KeyID2 Switch linked with key ID2 / NONE, MEM SW1, MEM SW2, or MEM SW3

      NONE: No switches linked with key ID2

      MEM SW1: M1 linked with key ID2

      MEM SW2: M2 linked with key ID2

      MEM SW3: M3 linked with key ID2

      		 -
      Mem SW No. w/KeyID3 Switch linked with key ID3 / NONE, MEM SW1, MEM SW2, or MEM SW3

      NONE: No switches linked with key ID3

      MEM SW1: M1 linked with key ID3

      MEM SW2: M2 linked with key ID3

      MEM SW3: M3 linked with key ID3

      		 -
      Mem SW No. w/KeyID4 Switch linked with key ID4 / NONE, MEM SW1, MEM SW2, or MEM SW3

      NONE: No switches linked with key ID4

      MEM SW1: M1 linked with key ID4

      MEM SW2: M2 linked with key ID4

      MEM SW3: M3 linked with key ID4

      		 -
      Mem SW No. w/KeyID5 Switch linked with key ID5 / NONE, MEM SW1, MEM SW2, or MEM SW3

      NONE: No switches linked with key ID5

      MEM SW1: M1 linked with key ID5

      MEM SW2: M2 linked with key ID5

      MEM SW3: M3 linked with key ID5

      		 -
      Mem SW No. w/KeyID6 Switch linked with key ID6 / NONE, MEM SW1, MEM SW2, or MEM SW3

      NONE: No switches linked with key ID6

      MEM SW1: M1 linked with key ID6

      MEM SW2: M2 linked with key ID6

      MEM SW3: M3 linked with key ID6

      		 -
      Mem SW No. w/KeyID7 Switch linked with key ID7 / NONE, MEM SW1, MEM SW2, or MEM SW3

      NONE: No switches linked with key ID7

      MEM SW1: M1 linked with key ID7

      MEM SW2: M2 linked with key ID7

      MEM SW3: M3 linked with key ID7

      		 -
      OK
      The Data List shows that the key ID has been linked to a switch (M1, M2 or M3).

    OK

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

    NG

    REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)