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Home >> Toyota >> 2007 >> FJ Cruiser 4WD, Part Time >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Door Lock >> Power Door Lock Control System >> All Doors Cannot Be Locked/Unlocked Simultaneously >> Inspection Procedure

Inspection Procedure

  1. PERFORM ACTIVE TEST BY INTELLIGENT TESTER (DOOR LOCK) 
    1. Connect the intelligent tester with CAN VIM to the DLC3.
    2. Turn the ignition switch ON and turn the tester ON.
    3. Select the item below in the ACTIVE TEST and then check that the security indicator operates.

      BODY 

      ACTIVE TEST DETAIL (BODY)

      Item Test Details Diagnostic Note
      DOOR LOCK Operate door lock motor LOCK/UNLOCK -

      OK: 

      Doors can lock/unlock. 

    OK:  Go to step  4

    NG: Go TO NEXT STEP 

  2. INSPECT FUSE (ECU-B) 
    1. Remove the ECU-B fuse from the engine room R/B No.2.
    2. Measure the resistance.

      Standard resistance: 

      Below 1 Ω 

    3. Reinstall the ECU-B fuse.

    NG: REPLACE FUSE 

    OK: Go TO NEXT STEP 

  3. CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - BATTERY, BODY GROUND) 
    1. Disconnect the 1B and 1H main body ECU connectors.
      Fig 1: Identifying 1B & 1H Main Body ECU Connector Terminals
      G05113814Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the voltage.

      Standard voltage 

      VOLTAGE SPECIFICATION

      Tester Connection Specified Condition
      IB-4 (BECU) - Body ground 11 to 14 V
    3. Measure the resistance.

      Standard resistance 

      RESISTANCE SPECIFICATION

      Tester Connection Specified Condition
      IH-2 (GND1) - Body ground Below 1 Ω
    4. Reconnect the main body ECU connectors.

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: REPLACE MAIN BODY ECU 

  4. CHECK OPERATION (ALL DOORS LOCK/ UNLOCK) 
    1. All doors can be locked/unlocked at once using the following:
      • Door control switch on the power window regulator master switch (switch operation)
      • Door control switch on the front passenger side (switch operation).
      • Door key cylinder linked with door lock on the driver side (key operation)
      • Door key cylinder linked with door lock on the passenger side (key operation)
      • Door key cylinder linked with door lock on the back door (key operation)
    2. Proceed to the next step according to the symptom if all the doors cannot be locked/unlocked at once.

      Result 

      RESULT REFERENCE

      Symptom Proceed to
      All doors cannot be locked/unlocked at once using door control switch. A
      All doors cannot be locked/unlocked at once using door key cylinder B

    B:  Go to step  12

    A: Go TO NEXT STEP 

  5. CHECK OPERATION (DOOR CONTROL SWITCH) 
    1. Proceed to the next step according to the symptom listed in RESULT REFERENCE TABLE .

      Result 

      RESULT REFERENCE TABLE

      Symptom Proceed to
      All doors cannot be locked/unlocked at once using door control switch on power window regulator master switch A
      All doors cannot be locked/unlocked at once using door control switch on front passenger side B

    B:  Go to step  9

    A: Go TO NEXT STEP 

  6. READ VALUE OF INTELLIGENT TESTER (DOOR CONTROL SWITCH) 
    1. Connect the intelligent tester with CAN VIM to the DLC3.
    2. Turn the ignition switch ON and turn the intelligent tester main switch ON.
    3. Select the items below in the "DATA LIST" and read the display on the intelligent tester.

      BODY 

      DATA LIST (BODY) TABLE

      Item Measurement Item/Display (Range) Normal Condition Diagnostic Note
      D/L SW-LOCK Door manual lock switch signal/ON or OFF ON: Door control switch on power window regulator master switch is pushed to lock position
      OFF: Door control switch on power window regulator master switch is not pushed      		 -
      D/L SW-UNLOCK Door manual unlock switch signal/ON or OFF ON: Door control switch on power window regulator master switch is pushed to unlock position
      OFF: Door control switch on power window regulator master switch is not pushed      		 -

      OK: 

      When the switch is operated, the intelligent tester displays ON and OFF as shown in  DATA LIST (BODY) TABLE  . 

    OK: REPLACE MAIN BODY ECU 

    NG: Go TO NEXT STEP 

  7. INSPECT POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY (DOOR CONTROL SWITCH) 
    1. Remove the power window regulator master switch (door control switch).
    2. Measure the resistance

      Standard resistance 

      RESISTANCE SPECIFICATION

      Tester Connection Switch Condition Specified Condition
      1 (E) - 2 (L1) Locked Below 1 Ω
      1 (E) - 2 (L1) OFF 10 kΩ or higher
      1 (E) - 5 (UL1) OFF 10 kΩ or higher
      1 (E) - 5 (UL1) Unlocked Below 1 Ω
    3. Reinstall the power window regulator master switch.

    NG: REPLACE POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY 

    Fig 2: Inspecting Power Window Regulator Master Switch Assembly (Door Control Switch)
    G05113815Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK: Go TO NEXT STEP 

  8. CHECK HARNESS AND CONNECTOR (DOOR CONTROL SWITCH - MAIN BODY ECU, BODY GROUND) 
    1. Disconnect the 1K main body ECU connector.
    2. Disconnect the H5 power window regulator master switch (door control switch) connector.
    3. Measure the resistance of the wire harness side connectors.

      Standard resistance 

      RESISTANCE SPECIFICATION

      Tester Connection Specified Condition
      H5-2 (L1) - 1K-5 (L1) Below 1 Ω
      H5-5 (UL1) - 1K-1 (UL1) Below 1 Ω
      H5-2 (L1) or 1K-5 (L1) - Body ground 10 kΩ or higher
      H5-5 (UL1) or 1K-1 (UL1) - Body ground 10 kΩ or higher
    4. Reconnect the main body ECU connector.
    5. Reconnect the power window regulator master switch connector.

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Fig 3: Identifying 1K Main Body ECU & H5 Power Window Regulator Master Switch Connector Terminals
    G05113816Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK: REPLACE MAIN BODY ECU 

  9. READ VALUE OF INTELLIGENT TESTER (DOOR CONTROL SWITCH) 
    1. Connect the intelligent tester with CAN VIM to the DLC3.
    2. Turn the ignition switch ON and turn the intelligent tester main switch ON.
    3. Select the items below in the "DATA LIST" and read the display on the intelligent tester.

      BODY 

      DATA LIST (BODY) TABLE

      Item Measurement Item/Display (Range) Normal Condition Diagnostic Note
      D/L SW-LOCK Door manual lock switch signal/ON or OFF ON: Passenger side door control switch Is pushed to lock position
      OFF: Passenger side door control switch is not pushed      		 -
      D/L SW-UNLOCK Door manual unlock switch signal/ON or OFF ON: Passenger side door control switch is pushed to unlock position OFF: Passenger side door control switch is not pushed -

      OK: 

      When the door key cylinder is operated, the intelligent tester displays ON and OFF as shown in  DATA LIST (BODY) TABLE  . 

    OK: REPLACE MAIN BODY ECU 

    NG: Go TO NEXT STEP 

  10. INSPECT DOOR CONTROL SWITCH ASSEMBLY 
    1. Remove the door control switch (front passenger side).
      Fig 4: Identifying Door Control Switch Assembly
      G05113817Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the resistance

      Standard resistance 

      RESISTANCE SPECIFICATION

      Tester Connection Switch Condition Specified Condition
      3-6 Locked Below 1 Ω
      3-6 OFF 10 kΩ or higher
      3-5 OFF 10 kΩ or higher
      3-5 Unlocked Below 1 Ω
    3. Reinstall the door control switch.

    NG: REPLACE DOOR CONTROL SWITCH ASSEMBLY 

    OK: Go TO NEXT STEP 

  11. CHECK HARNESS AND CONNECTOR (DOOR CONTROL SWITCH - MAIN BODY ECU, BODY GROUND) 
    1. Disconnect the 1K main body ECU connector.
    2. Disconnect the G5 door control switch (front passenger side) connector.
      Fig 5: Identifying 1K Main Body ECU & G5 Door Control Switch Connector Terminals
      G05113818Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Measure the resistance of the wire harness side connectors.

      Standard resistance 

      RESISTANCE SPECIFICATION

      Tester Connection Specified Condition
      G5-6 - 1K-5 (L1) Below 1 Ω
      G5-5 - 1K-1 (UL1) Below 1 Ω
      G5-6 or 1K-5 (L1) - Body ground 10 kΩ or higher
      G5-5 or 1K-1 (UL1) - Body ground 10 kΩ or higher
    4. Reconnect the main body ECU connector.
    5. Reconnect the door control switch connector.

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: REPLACE MAIN BODY ECU 

  12. CHECK OPERATION (DOOR KEY CYLINDER) 
    1. Proceed to the next step according to the symptom listed in RESULT REFERENCE TABLE .

      Result 

      RESULT REFERENCE TABLE

      Symptom Proceed to
      All doors cannot be locked/unlocked at once using door key cylinder on driver side A
      All doors cannot be locked/unlocked at once using door key cylinder on front passenger side B
      All doors cannot be locked/unlocked at once using door key cylinder on back door C

    B:  Go to step  16

    C:  Go to step  19

    A: Go TO NEXT STEP 

  13. READ VALUE OF INTELLIGENT TESTER (DOOR KEY SWITCH) 
    1. Connect the intelligent tester with CAN VIM to the DLC3.
    2. Turn the ignition switch ON and turn the intelligent tester main switch ON.
    3. Select the items below in the "DATA LIST" and read the display on the intelligent tester.

      BODY 

      DATA LIST (BODY) TABLE

      Item Measurement Item/Display (Range) Normal Condition Diagnostic Note
      DOR KEY SW-LOCK Door key linked lock switch signal/ON or OFF ON: Driver side door key cylinder is turned to lock position
      OFF: Driver side door key cylinder is not turned      		 -
      D DOR KEY SW-UL Door key linked unlock switch signal/ON or OFF ON: Driver side door key cylinder is turned to unlock position
      OFF: Driver side door key cylinder Is not turned      		 -

      OK: 

      When the switch is operating, the intelligent tester should display as shown in  DATA LIST (BODY) TABLE  . 

    OK: REPLACE MAIN BODY ECU 

    NG: Go TO NEXT STEP 

  14. INSPECT FRONT DOOR LOCK ASSEMBLY LH 
    1. Remove the front door lock assembly LH (driver side).
    2. Measure the resistance of the door lock and unlock switch.

      Standard resistance 

      RESISTANCE SPECIFICATION

      Tester Connection Door Lock Condition Specified Condition
      7-9 Locked Below 1 Ω
      7-9 Unlocked 10 kΩ or higher
      7-10 Locked 10 kΩ or higher
      7-10 Unlocked Below 1 Ω
    3. Reinstall the front door lock assembly LH.
      Fig 6: Identifying Front Door Lock Connector Terminals (LH)
      G05113819Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPLACE FRONT DOOR LOCK ASSEMBLY LH 

    OK: Go TO NEXT STEP 

  15. CHECK HARNESS AND CONNECTOR (FRONT DOOR LOCK ASSEMBLY LH - MAIN BODY ECU) 
    1. Disconnect the 1K and E6 main body ECU connectors.
      Fig 7: Identifying 1K, E6 Main Body ECU & H6 Front Door Lock Connector Terminals
      G05113820Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disconnect the H6 front door lock assembly LH connector.
    3. Measure the resistance.

      Standard resistance 

      RESISTANCE SPECIFICATION

      Tester Connection Specified Condition
      H6-9 - 1K-3 (L2) Below 1 Ω
      H6-10 - E6-12 (UL3) Below 1 Ω
      H6-9 or 1K-3 (L2) - Body ground 10 kΩ or higher
      H6-10 or E6-12 (UL3) - Body ground 10 kΩ or higher
    4. Reconnect the main body ECU connectors.
    5. Reconnect the front door lock assembly LH connector.

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: REPLACE MAIN BODY ECU 

  16. READ VALUE OF INTELLIGENT TESTER (DOOR KEY SWITCH) 
    1. Connect the intelligent tester with CAN VIM to the DLC3.
    2. Turn the ignition switch ON and turn the intelligent tester main switch ON.
    3. Select the items below in the "DATA LIST" and read the display on the intelligent tester.

      BODY 

      DATA LIST (BODY) TABLE

      Item Measurement Item/Display (Range) Normal Condition Diagnostic Note
      DOR KEY SW-LOCK Door key linked lock switch signal/ON or OFF ON: Front passenger side door key cylinder is turned to lock position
      OFF: Front passenger side door key cylinder is not turned      		 -
      P DOR KEY SW-UL Door key linked unlock switch signal/ON or OFF ON: Front passenger side door key cylinder is turned to unlock position
      OFF: Front passenger side door key cylinder is not turned      		 -

      OK: 

      When the door key cylinder is operated, the intelligent tester displays ON and OFF as shown in  DATA LIST (BODY) TABLE  . 

    OK: REPLACE MAIN BODY ECU 

    NG: Go TO NEXT STEP 

  17. INSPECT FRONT DOOR LOCK ASSEMBLY RH 
    1. Remove the front door lock assembly RH (front passenger side).
      Fig 8: Identifying Front Door Lock Connector Terminals (RH)
      G05113821Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the resistance of the door lock and unlock switch.

      Standard resistance 

      RESISTANCE SPECIFICATION

      Tester Connection Door Lock Condition Specified Condition
      6-8 Locked Below 1 Ω
      6-8 Unlocked 10 kΩ or higher
      5-8 Locked 10 kΩ or higher
      5-8 Unlocked Below 1 Ω
    3. Reinstall the front door lock assembly RH.

    NG: REPLACE FRONT DOOR LOCK ASSEMBLY RH 

    OK: Go TO NEXT STEP 

  18. CHECK HARNESS AND CONNECTOR (FRONT DOOR LOCK ASSEMBLY RH - MAIN BODY ECU) 
    1. Disconnect the 1K and E6 main body ECU connectors.
    2. Disconnect the G7 front door lock assembly RH connector.
      Fig 9: Identifying 1K, E6 Main Body ECU & G7 Front Door Lock Connector Terminals
      G05113822Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Measure the resistance.

      Standard resistance 

      RESISTANCE SPECIFICATION

      Tester Connection Specified Condition
      G7-6 - 1K-3 (L2) Below 1 Ω
      G7-5 - E6-22 (UL2) Below 1 Ω
      67-6 or 1K-3 (L2) - Body ground 10 kΩ or higher
      G7-5 or E6-22 (UL2) - Body ground 10 kΩ or higher
    4. Reconnect the main body ECU connectors.
    5. Reconnect the front door lock assembly RH connector.

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: REPLACE MAIN BODY ECU 

  19. CHECK DTC OUTPUT 
    1. Connect the intelligent tester with CAN VIM to the DLC3.
    2. Turn the ignition switch ON and turn the tester ON.
    3. Clear the DTCs.
    4. Check whether DTC B1287 recurs 10 seconds or more after the ignition switch is turned on.

      OK: 

      No DTC is output. 

    NG: GO TO  MULTIPLEX COMMUNICATION SYSTEM 

    OK: Go TO NEXT STEP 

  20. INSPECT BACK DOOR LOCK CYLINDER 
    1. Remove the back door lock cylinder.
      Fig 10: Identifying Back Door Lock Cylinder Connector Terminals
      G05113823Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the resistance of the back door lock cylinder (door lock and unlock switch).

      Standard resistance 

      RESISTANCE SPECIFICATION

      Tester Connection Key Condition Specified Condition
      2-1 Lock position Below 1 Ω
      2-1 Unlock position 10 kΩ or higher
      3-1 Lock position 10 kΩ or higher
      3-1 Unlock position Below 1 Ω
    3. Reinstall the back door lock cylinder.

    NG: REPLACE BACK DOOR LOCK CYLINDER 

    OK: Go TO NEXT STEP 

  21. CHECK HARNESS AND CONNECTOR (BACK DOOR LOCK CYLINDER - BACK DOOR ECU) 
    1. Disconnect the S5 back door ECU connector.
    2. Disconnect the S7 back door lock cylinder connector.
    3. Measure the resistance.

      Standard resistance 

      RESISTANCE SPECIFICATION

      Tester Connection Specified Condition
      S7-2 - S5-5 (L) Below 1 Ω
      S7-3 - S5-4 (UL) Below 1 Ω
      S7-2 or S5-5 (L) - Body ground 10 kΩ or higher
      S7-3 or S5-4 (UL) - Body ground 10 kΩ or higher
    4. Reconnect the back body ECU connector.
    5. Reconnect the back door lock cylinder connector.

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Fig 11: Identifying S5 Back Door ECU & S7 Back Door Lock Cylinder Connector Terminals
    G05113824Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK: REPLACE BACK DOOR ECU 

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