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Home >> Toyota >> 2008 >> FJ Cruiser RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 186 (Door Lock) >> Power Door Lock Control System >> All Doors cannot be Locked / Unlocked Simultaneously >> Inspection Procedure

Inspection Procedure

WARNING: This page is about a different car, the 2008 Toyota Yaris. However, it is still accessible from the selected car via links, so may be relevant.
  1. INSPECT FRONT DOOR LOCK ASSEMBLY LH 
    1. Apply the battery voltage to the door lock motor and measure the resistance.

      Standard resistance 

      TESTER CONNECTION SPECIFIED CONDITION

      Tester Connection Condition Specified Condition
      8 (LSSR) - 7 (E) Battery positive (+) --> Terminal 1
      Battery negative(-) --> Terminal 4      		 Below 1 Ω
      8 (LSSR) - 7 (E) Battery positive (+) --> Terminal 4
      Battery negative(-) --> Terminal 1      		 10 kΩ or higher
      2. Fig 1: Inspecting Front Door Lock Assembly LH
      G04833151Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPLACE FRONT DOOR LOCK ASSEMBLY LH 

    OK: GO TO NEXT STEP 

  2. CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - FRONT DOOR LOCK ASSEMBLY LH) 
    1. Disconnect the D33main body ECU connector.
    2. Disconnect the G5 door lock connector.
    3. Measure the resistance.

      Standard resistance 

      TESTER CONNECTION SPECIFIED CONDITION

      Tester Connection Specified Condition
      D33-21 (LSWD) - G5-8 (LSSR) Below 1 Ω
      D33-21 (LSWD) or G5-8 (LSSR) -Body ground 10 kΩ or higher
    4. Reconnect the main body ECU connector.
    5. Reconnect the door lock connector.
      6. Fig 2: Checking Harness And Connector (Main Body ECU - Front Door Lock Assembly LH)
      G04833152Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: GO TO NEXT STEP 

  3. CHECK DOOR LOCK OPERATION 
    1. Proceed to the next step according to the symptom listed in the table below.

      Result 

      RESULT REFERENCE

      Symptom Proceed to
      Doors cannot be locked using door control switch (for front driver door side) A
      Doors cannot be locked using driver side door key cylinder B
      Hatchback only: Doors cannot be locked using door control switch (for center console side) C
      Doors cannot be locked using front passenger side door key cylinder D
      Sedan only: Doors cannot be locked using door control switch (for passenger side) E

    B: Go to step  6

    C: Go to step  8

    D: Go to step  10

    E: Go to step  12

    A: GO TO NEXT STEP 

  4. INSPECT DOOR CONTROL SWITCH (for Front Driver Door Side) 
    1. 3 Door, 5 Door, Sedan w/ Power window:
      1. Disconnect the G1 door control switch (for front driver door side) connector.
      2. Measure the resistance of the switch.

        Standard resistance (3 Door) 

        TESTER CONNECTION SPECIFIED CONDITION

        Tester Connection Switch Condition Specified Condition
        1 (L) - 7 (E) Lock Below 1 Ω
        9 (UL) - 7 (E) Unlock Below 1 Ω
        1 (L) - 7 (E) OFF 10 kΩ or higher
        9 (UL) - 7 (E) OFF 10 kΩ or higher

        Standard resistance (5 Door, Sedan w/ Power window) 

        TESTER CONNECTION SPECIFIED CONDITION

        Tester Connection Switch Condition Specified Condition
        2 (L) - 1 (E) Lock Below 1 Ω
        9 (UL) - 1 (E) Unlock Below 1 Ω
        2 (L) - 1 (E) OFF 10 kΩ or higher
        9 (UL) - 1 (E) OFF 10 kΩ or higher
      3. Reconnect the door control switch (for front driver door side) connector.
        Fig 3: Inspecting Door Control Switch (For Front Driver Door Side)
        G04833153Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Sedan w/o Power window:
      1. Disconnect the G7 door control switch (for front driver door side) connector.
      2. Measure the resistance of the switch.

        Standard resistance 

        TESTER CONNECTION SPECIFIED CONDITION

        Tester Connection Switch Condition Specified Condition
        3 (L) - 4 (E) Lock Below 1 Ω
        2 (UL) - 4 (E) Unlock Below 1 Ω
        3 (L) - 4 (E) OFF 10 kΩ or higher
        2 (UL) - 4 (E) OFF 10 kΩ or higher
      3. Reconnect the door control switch (for front driver door side) connector.
        4. Fig 4: Identifying Door Control Switch (For Front Driver Door Side) Connector
        G04833154Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPLACE DOOR CONTROL SWITCH (for Front Driver Door Side) 

    OK: GO TO NEXT STEP 

  5. CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - DOOR CONTROL SWITCH (Front Driver Door Side)) 
    1. 3 Door, 5 Door, Sedan w/ Power window:
      1. Disconnect the 4H main body ECU connector.
      2. Disconnect the G1 door control switch (for front driver door side) connector.
      3. Measure the resistance.

        Standard resistance (3 Door) 

        TESTER CONNECTION SPECIFIED CONDITION

        Tester Connection Specified Condition
        4H-5 (UL1) - G1-9 (UL) Below 1 Ω
        4H-4 (L1) - G1-1 (L) Below 1 Ω
        4H-5 (UL1) or G1-9 (UL) - Body ground 10 kΩ or higher
        4H-4 (L1) or G1-1 (L) - Body ground 10 kΩ or higher

        Standard resistance (5 Door, Sedan w/ Power window) 

        TESTER CONNECTION SPECIFIED CONDITION

        Tester Connection Specified Condition
        4H-5(UL1) - G1-9(UL) Below 1 Ω
        4H-4(L1) - G1-2(L) Below 1 Ω
        4H-5(UL1) or G1-9(UL) - Body ground 10 kΩ or higher
        4H-4(L1) or G1-2(L) - Body ground 10 kΩ or higher
      4. Reconnect the main body ECU connector.
      5. Reconnect the door control switch (for front driver door side) connector.
        Fig 5: Identifying G1 Door Control Switch Connector And 4H Main Body ECU Connector (Sedan W/ Power Window)
        G04833155Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Sedan w/o Power window:
      1. Disconnect the 4H main body ECU connector.
      2. Disconnect the G7 door control switch (for front driver door side) connector.
      3. Measure the resistance.

        Standard resistance 

        TESTER CONNECTION SPECIFIED CONDITION

        Tester Connection Specified Condition
        4H-5 (UL1) - G7-2 (UL) Below 1 Ω
        4H-4 (L1) - G7-3 (L) Below 1 Ω
        4H-5 (UL1) or G7-2 (UL) - Body ground 10 kΩ or higher
        4H-4 (L1) or G7-3 (L) - Body ground 10 kΩ or higher
      4. Reconnect the main body ECU connector.
      5. Reconnect the door control switch (for front driver door side) connector.
        6. Fig 6: Identifying G7 Door Control Switch Connector And 4H Main Body ECU Connector (Sedan W/O Power Window)
        G04833156Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: REPLACE MAIN BODY ECU 

  6. READ VALUE USING TECHSTREAM 
    1. Connect a Techstream to the DLC3.
    2. Turn the ignition switch ON.
    3. Turn the tester on.
    4. Enter the following menus: Body Electrical / Main Body / Data List.
    5. According to the display on tester, read on the "Data List".

    Main Body 

    DATA LIST CHART

    Item Measurement Item/Range Normal Condition
    Door Key SW-Lock Door key-linked lock switch signal/ ON or OFF ON: Door key cylinder Is turned to lock position
    OFF: Driver side door key cylinder is turned to unlock position

    Main Body 

    DATA LIST CHART

    Item Measurement Item/Range Normal Condition
    Door Key SW-ULock Door key-linked lock switch signal/ON or OFF ON: Door key cylinder is turned to lock position
    OFF: Driver side door key cylinder Is turned to Unlock position

    OK: ON (driver side door key cylinder is turned to lock/ unlock position) appears on tester screen. 

    OK: REPLACE MAIN BODY ECU 

    NG: GO TO NEXT STEP 

  7. CHECK HARNESS AND CONNECTOR (DRIVER SIDE DOOR LOCK ASSEMBLY - MAIN BODY ECU) 
    1. Disconnect the D33 and 4H main body ECU connectors.
    2. Disconnect the G5 door lock connector.
    3. Measure the resistance.

      Standard resistance 

      TESTER CONNECTION SPECIFIED CONDITION

      Tester Connection Specified Condition
      D33-14(UL3)-G5-10(UL) Below 1 Ω
      4H-7 (L2) - G5-9 (L) Below 1 Ω
      D33-14 (UL3) or G5-10 (UL) - Body ground 10 kΩ or higher
      4H-7 (L2) or G5-9 (L) - Body ground 10 kΩ or higher
    4. Reconnect the main body ECU connectors.
    5. Reconnect the door lock connector.
      6. Fig 7: Identifying D33 And 4H Main Body ECU Connectors And G5 Door Lock Connector
      G04833157Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: REPLACE MAIN BODY ECU 

  8. INSPECT DOOR CONTROL SWITCH (for Center Console Side) 
    1. Disconnect the D30 door control switch (for center console side) connector.
    2. Measure the resistance.

      Standard resistance 

      TESTER CONNECTION SPECIFIED CONDITION

      Tester Connection Condition Specified Condition
      5-6 Lock Below 1 Ω
      4-6 Unlock Below 1 Ω
      5-6 OFF Below 1 Ω
      4-6 OFF Below 1 Ω
    3. Reconnect the door control switch (for center console side) connector.
      4. Fig 8: Identifying D30 Door Control Switch Connector
      G04833158Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPLACE DOOR CONTROL SWITCH (for Center Console Side) 

    OK: GO TO NEXT STEP 

  9. CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - DOOR CONTROL SWITCH (Center Console Side)) 
    1. Disconnect the 4C and 4E main body ECU connectors.
    2. Disconnect the D30 door control switch (for center console side) connector.
    3. Measure the resistance of the fuses.

      Standard resistance 

      TESTER CONNECTION SPECIFIED CONDITION

      Tester Connection Specified Condition
      4C-10(UL1) - D30-4 Below 1 Ω
      4E-11(L1) - D30-5 Below 1 Ω
      4C-10(UL1) or D30-4 - Body ground 10 kΩ or higher
      4E-11 (L1) or D30-5 - Body ground 10 kΩ or higher
    4. Reconnect the main body ECU connector.
    5. Reconnect the door control switch (for center console side) connector.
      6. Fig 9: Identifying 4C And 4E Main Body ECU Connectors And D30 Door Control Switch Connector
      G04833159Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: REPLACE MAIN BODY ECU 

  10. READ VALUE USING TECHSTREAM 
    1. Connect a Techstream to the DLC3.
    2. Turn the ignition switch ON.
    3. Turn the tester on.
    4. Enter the following menus: Body Electrical / Main Body / Data List.
    5. According to the display on tester, read on the "Data List".

    Main Body 

    DATA LIST CHART

    Item Measurement Item/Range Normal Condition
    Door Key SW-Lock Door key-linked lock switch signal/ ON or OFF ON: Door key cylinder Is turned to lock position
    OFF: Driver side door key cylinder Is turned to unlock position

    Main Body 

    DATA LIST CHART

    Item Measurement Item/Range Normal Condition
    Door Key SW-ULck Door key-linked unlock switch signal/ON or OFF ON: Door key cylinder Is turned to unlock position
    OFF: Door key cylinder Is turned to lock position

    OK: ON (driver side door key cylinder is turned to lock/ unlock position) appears on screen. 

    OK: REPLACE MAIN BODY ECU 

    NG: GO TO NEXT STEP 

  11. CHECK HARNESS AND CONNECTOR (PASSENGER SIDE DOOR LOCK ASSEMBLY MAIN BODY ECU) 
    1. Disconnect the 4H main body ECU connector.
    2. Disconnect the F5 front door lock assembly connector.
    3. Measure the resistance.

      Standard resistance 

      TESTER CONNECTION SPECIFIED CONDITION

      Tester Connection Specified Condition
      4H-15(UL2) - F5-5(UL) Below 1 Ω
      4H-16(L2) - F5-6(L) Below 1 Ω
      4H-15(UL2) or F5-5(UL) - Body ground 10 kΩ or higher
      4H-16(L2) or F5-6(L) - Body ground 10 kΩ or higher
    4. Reconnect the main body ECU connector.
    5. Reconnect the front door lock assembly connector.
      6. Fig 10: Identifying 4H Main Body ECU Connector And F5 Front Door Lock Assembly Connector
      G04833160Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: REPLACE MAIN BODY ECU 

  12. INSPECT DOOR CONTROL SWITCH (for Front Passenger Door Side) 
    1. Disconnect the F7 door control switch (for front passenger door side) connector.
    2. Measure the resistance of the switch.

      Standard resistance 

      TESTER CONNECTION SPECIFIED CONDITION

      Tester Connection Switch Condition Specified Condition
      3 (L) - 4 (E) Lock Below 1 Ω
      2 (UL) - 4 (E) Unlock Below 1 Ω
      3 (L) - 4 (E) OFF 10 kΩ or higher
      2 (UL) - 4 (E) OFF 10 kΩ or higher
    3. Reconnect the door control switch (for front passenger door side) connector.
      4. Fig 11: Identifying F7 Door Control Switch Connector
      G04833161Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPLACE DOOR CONTROL SWITCH (for Front Passenger Door Side) 

    OK: GO TO NEXT STEP 

  13. CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - DOOR CONTROL SWITCH (Passenger Door Side)) 
    1. Disconnect the 4H main body ECU connector.
    2. Disconnect the F7 door control switch (for front passenger door side) connector.
    3. Measure the resistance.

      Standard resistance 

      TESTER CONNECTION SPECIFIED CONDITION

      Tester Connection Specified Condition
      4H-5 (UL1) - F7-2 (UL) Below 1 Ω
      4H-4 (L1) - F7-3 (L) Below 1 Ω
      4H-5 (UL1) or F7-2 (UL) - Body ground 10 kΩ or higher
      4H-4 (L1) or F7-3 (L) - Body ground 10 kΩ or higher
    4. Reconnect the main body ECU connector.
    5. Reconnect the door control switch (for front passenger door side) connector.
      6. Fig 12: Identifying 4H Main Body ECU Connector And F7 Door Control Switch Connector
      G04833162Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: REPLACE MAIN BODY ECU 

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