LEMON Manuals: Even more car manuals for everyone
Home >> Scion >> 2008 >> tC Base, Standard >> 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. CHECK ALL DOOR LOCK/UNLOCK OPERATION 
    1. All doors can be simultaneously locked/unlocked using one of the following:
      • Pressing the driver side door control switch
      • Pressing the passenger side door control switch
      • Turning the driver door key cylinder with the key
      • Turning the passenger door key cylinder with the key
    2. Proceed to the next step according to the symptom if all the doors cannot be locked/unlocked at once.
      VOLTAGE SPECIFICATION

      Malfunctioning Part Proceed to
      Cannot lock/unlock using driver side door control switch A
      Cannot lock/unlock using passenger side door control switch B
      Cannot lock/2-step unlock using driver door key cylinder ((1)) C
      Cannot lock/unlock using passenger door key cylinder D
      All functions do not operate E
      (1) with Jam Protection

    B:  Go to step  5

    C:  Go to step  8

    D:  Go to step  12

    E:  Go to step  16

    A: Go to next step 

  2. INSPECT POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY (DOOR CONTROL SWITCH) 
    1. Measure the resistance of the door control switch (with Jam Protection).

      Standard resistance 

      RESISTANCE REFERENCE - DOOR CONTROL SWITCH (WITH JAM PROTECTION)

      Tester Connection Switch Condition Specified Condition
      2-4 Lock Below 1 Ω
      2-4 OFF 10 kΩ or higher
      2-14 OFF 10 kΩ or higher
      2-14 Unlock Below 1 Ω
      Fig 1: Identifying Door Control Switch
      G05541537Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the resistance of the door control switch (without Jam Protection).

      Standard resistance 

      RESISTANCE REFERENCE - DOOR CONTROL SWITCH (WITHOUT JAM PROTECTION)

      Tester Connection Switch Condition Specified Condition
      1-2 Lock Below 1 Ω
      1-2 OFF 10 kΩ or higher
      1-5 OFF 10 kΩ or higher
      1-5 Unlock Below 1Ω
      3. Fig 2: Identifying Door Control Switch
      G05541538Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPLACE POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY 

    OK: Go to next step 

  3. CHECK WIRE HARNESS (POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY AND BODY GROUND) 
    1. Disconnect the P9 (*1) or P17 (*2) switch connector.
      Fig 3: Identifying Power Window Regulator Master Switch Assembly
      G05541539Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disconnect the 1H junction block connector.
    3. Measure the resistance of the wire harness side connectors.

      Standard resistance 

      RESISTANCE REFERENCE

      Tester Connection Specified Condition
      P9-4 (L) - 1H-13 (L1) ((1)) Below 1 Ω
      P9-14 (UL) - 1H-14 (UL1) ((1)) Below 1 Ω
      P9-2 (E) - Body ground ((1)) Below 1 Ω
      P9-4 (L) or 1H-13 (L1) - Body ground ((1)) 10 kΩ or higher
      P9-14 (UL) or 1H-14 (UL1) - Body ground ((1)) 10 kΩ or higher
      P17-2 (L) - 1H-13 (L1) ((2)) Below 1 Ω
      P17-5 (UL) - 1H-14 (UL1) ((2)) Below 1 Ω
      P17-1 (E) - Body ground ((2)) Below 1 Ω
      P17-2 (L) or 1H-13 (L1) - Body ground ((2)) 10 kΩ or higher
      P17-5 (UL) or 1H-14 (UL1) - Body ground ((2)) 10 kΩ or higher
      (1) with Jam Protection
      (2) without Jam Protection

    NG: REPAIR OR REPLACE HARNESS AND CONNECTOR 

    OK: Go to next step 

  4. CHECK OPERATION OF INTEGRATION RELAY 
    1. After replacing the integration relay with a normally functioning relay, check that the power door lock operates normally.

      OK: 

      Power door lock operates normally. 

    NG: REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY 

    OK: NORMAL (INTEGRATION RELAY DEFECTIVE) 

  5. INSPECT DOOR CONTROL SWITCH ASSEMBLY (PASSENGER SIDE) 
    1. Measure the resistance of the switch (with Jam Protection).

      Standard resistance 

      RESISTANCE REFERENCE - SWITCH (WITH JAM PROTECTION)

      Tester Connection Switch Condition Specified Condition
      2-3 Lock Below 1 Ω
      1-2 Unlock Below 1 Ω
      Fig 4: Identifying Door Control Switch Assembly (Passenger Side)
      G05541540Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the resistance of the switch (without Jam Protection).

      Standard resistance 

      RESISTANCE REFERENCE - DOOR CONTROL SWITCH (WITHOUT JAM PROTECTION)

      Tester Connection Switch Condition Specified Condition
      3-6 Lock Below 1 Ω
      3-5 Unlock Below 1 Ω
      3. Fig 5: Identifying Door Control Switch Assembly (Passenger Side)
      G05541541Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPLACE DOOR CONTROL SWITCH ASSEMBLY 

    OK: Go to next step 

  6. CHECK WIRE HARNESS (DOOR CONTROL SWITCH ASSEMBLY - INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY (INTEGRATION RELAY) AND BODY GROUND) 
    1. Disconnect the D13 (*1) or D14 (*2) switch connector.
      Fig 6: Identifying Door Control Switch Connector Terminals
      G05541542Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disconnect the 1H junction block connector.
    3. Measure the resistance of the wire harness side connectors.

      Standard resistance 

      RESISTANCE REFERENCE

      Tester Connection Specified Condition
      D13-3 (L) - 1H-4 (L1) ((1)) Below 1 Ω
      D13-1 (UL) - 1H-5 (UL1) ((1)) Below 1 Ω
      D13-2 (E) - Body ground ((1)) Below 1 Ω
      D13-3 (L) or 1H-4 (L1) - Body ground ((1)) 10 kΩ or higher
      D13-1 (UL) or 1H-5 (UL1) - Body ground ((1)) 10 kΩ or higher
      D14-6 (L) - 1H-4 (L1) ((2)) Below 1 Ω
      D14-5 (UL) - 1H-5 (UL1) ((2)) Below 1 Ω
      D14-3 (E) - Body ground ((2)) Below 1 Ω
      D14-6 (L) - 1H-4 (L1) - Body ground ((2)) 10 kΩ or higher
      D14-5 (UL) or 1H-5 (UL1) - Body ground ((2)) 10 kΩ or higher
      (1) with Jam Protection
      (2) without Jam Protection

    NG: REPAIR OR REPLACE HARNESS AND CONNECTOR 

    OK: Go to next step 

  7. CHECK OPERATION OF INTEGRATION RELAY 
    1. After replacing the integration relay with a normally functioning relay, check that the power door lock operates normally.

      OK: 

      Power door lock operates normally. 

    NG: REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY 

    OK: NORMAL (INTEGRATION RELAY DEFECTIVE) 

  8. INSPECT FRONT DOOR LOCK ASSEMBLY LH (DOOR LOCK MOTOR) 
    1. Apply battery voltage to the door lock and check operation of the door lock motor.

      OK 

      VOLTAGE SPECIFICATION

      Measurement Condition Specified Condition
      Battery positive (+) → Terminal 4
      Battery negative (-)→ Terminal 1      		 Lock
      Battery positive (+) → Terminal 1
      Battery negative (-)→ Terminal 4      		 Unlock
      2. Fig 7: Identifying Front Door Lock Motor Lock And Unlock Position
      G05132178Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPLACE FRONT DOOR LOCK ASSEMBLY LH 

    OK: Go to next step 

  9. INSPECT FRONT DOOR LOCK ASSEMBLY LH (DOOR LOCK AND UNLOCK SWITCH AND LOCK DETECTION SWITCH) 
    1. Measure the resistance of the door lock and unlock switch and lock detection switch.

      Standard resistance: 

      Door lock and unlock switch 

      RESISTANCE REFERENCE - DOOR LOCK AND UNLOCK SWITCH

      Tester Connection Door lock Condition Specified Condition
      7-9 Lock Below 1 Ω
      7-9 OFF 10 kΩ or higher
      7-10 OFF 10 kΩ or higher
      7-10 Unlock Below 1 Ω

      Detection switch 

      RESISTANCE REFERENCE - DETECTION SWITCH

      Tester Connection Door Lock Condition Specified Condition
      7-8 Lock 10 kΩ or higher
      7-8 Unlock Below 1 Ω
      2. Fig 8: Identifying Front Door Lock Assembly LH (Door Lock And Unlock Switch And Detection Switch)
      G05541544Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPLACE FRONT DOOR LOCK ASSEMBLY 

    OK: Go to next step 

  10. CHECK WIRE HARNESS (FRONT DOOR LOCK ASSEMBLY LH - INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY (INTEGRATION RELAY) AND BODY GROUND) 
    1. Disconnect the D11 lock connector.
    2. Disconnect the 16 relay connector.
    3. Disconnect the 1H junction block connector.
    4. Measure the resistance of the wire harness side connectors.

      Standard resistance 

      RESISTANCE REFERENCE

      Tester Connection Specified Condition
      D11-4 - 1H-8 (ACT+) Below 1 Ω
      D11-1 - I6-2 (ACTD) Below 1 Ω
      D11-9 - 1H-16 (L2) Below 1 Ω
      D11-10 - 16-18 (UL3) Below 1 Ω
      D11-8 - 16-20 (LSWD) Below 1 Ω
      D11-7 - Body ground Below 1 Ω
      D11-4 or 1H-8 (ACT+) - Body ground 10 kΩ or higher
      D11-1 or I6-2 (ACTD) - Body ground 10 kΩ or higher
      D11-9 or 1H-16 (L2) - Body ground 10 kΩ or higher
      D11-10 or 16-18 (UL3) - Body ground 10 kΩ or higher
      D11-8 or 16-20 (LSWD) - Body ground 10 kΩ or higher
      5. Fig 9: Identifying D11 Lock Connector And 16 Relay Connector
      G05541545Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPAIR OR REPLACE HARNESS AND CONNECTOR 

    OK: Go to next step 

  11. CHECK OPERATION INTEGRATION RELAY 
    1. After replacing the integration relay with a normally functioning relay, check that the power door lock operates normally.

      OK: 

      Power door lock operates normally. 

    NG: REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY 

    OK: NORMAL (INTEGRATION RELAY DEFECTIVE) 

  12. INSPECT FRONT DOOR LOCK ASSEMBLY RH (DOOR LOCK MOTOR) 
    1. Apply battery voltage to the door lock and check operation of the door lock motor.

      OK 

      VOLTAGE SPECIFICATION

      Measurement Condition Specified Condition
      Battery positive (+) → Terminal 4
      Battery negative (-) → Terminal 1      		 Lock
      Battery positive (+) → Terminal 1
      Battery negative (-) → Terminal 4      		 Unlock
      2. Fig 10: Identifying Front Door With Motor Lock Assembly RH
      G05265985Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPLACE FRONT DOOR LOCK ASSEMBLY RH 

    OK: Go to next step 

  13. INSPECT FRONT DOOR LOCK ASSEMBLY RH (DOOR LOCK AND UNLOCK SWITCH) 
    1. Measure the resistance of the door lock and unlock switch.

      Standard resistance 

      RESISTANCE REFERENCE

      Tester Connection Switch Condition Specified Condition
      8-6 Lock Below 1 Ω
      8-6 OFF 10 kΩ or higher
      8-5 OFF 10 kΩ or higher
      8-5 Unlock Below 1 Ω
      2. Fig 11: Identifying Front Door Lock And Unlock Switch Assembly RH
      G05541547Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPLACE FRONT DOOR LOCK ASSEMBLY RH 

    OK: Go to next step 

  14. CHECK WIRE HARNESS (FRONT DOOR LOCK ASSEMBLY RH - INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY (INTEGRATION RELAY) AND BODY GROUND) 
    1. Disconnect the D12 lock connector.
    2. Disconnect the 1H junction block connector.
    3. Measure the resistance of the wire harness side connectors.

      Standard resistance 

      RESISTANCE REFERENCE

      Tester Connection Specified Condition
      D12-4 - 1H-17 (ACT+) Below 1 Ω
      D12-1 - 1H-9 (ACT-) Below 1 Ω
      D12-6 - 1H-7 (L2)((1)) Below 1 Ω
      D12-5 - 1H-6 (UL2)((1)) Below 1 Ω
      (1) with Jam Protection
      Fig 12: Identifying D12 Lock Connector And 1H Junction Block Connector
      G05541548Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPAIR OR REPLACE HARNESS AND CONNECTOR 

    OK: Go to next step 

  15. CHECK OPERATION OF INTEGRATION RELAY 
    1. After replacing the integration relay with a normally functioning relay, check that the power door lock operates normally.

      OK: 

      Power door lock operates normally. 

    NG: REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY 

    OK: NORMAL (INTEGRATION RELAY DEFECTIVE) 

  16. INSPECT FUSE (ECU-B, DOOR, DCC) 
    1. Remove the DOOR fuse from the instrument panel junction block.
    2. Remove the ECU-B and DCC fuses from the engine room relay block.
    3. Measure the resistance of the fuses.

      Standard resistance: 

      Below 1 Ω 

    NG: REPLACE FUSE 

    OK: Go to next step 

  17. CHECK WIRE HARNESS (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY (INTEGRATION RELAY) - BATTERY AND BODY GROUND) 
    1. Disconnect the 1B, 1G and 1E junction block connectors.
    2. Measure the voltage and resistance of the wire harness side connectors.

      Standard voltage 

      VOLTAGE SPECIFICATION

      Tester Connection Specified Condition
      1B-30 (ECUB) - Body ground 10 to 14 V
      1G-1 (ALTB) - Body ground 10 to 14 V

      Standard resistance 

      RESISTANCE REFERENCE

      Tester Connection Specified Condition
      1E-17 (GND) - Body ground Below 1 Ω
      3. Fig 13: Identifying 1B, 1G And 1E Junction Block Connectors
      G05541549Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPAIR OR REPLACE HARNESS AND CONNECTOR 

    OK: Go to next step 

  18. CHECK OPERATION OF INTEGRATION RELAY 
    1. After replacing the integration relay with a normally functioning relay, check that the power door lock operates normally.

      OK: 

      Power door lock operates normally. 

    NG: REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY 

    OK: NORMAL (INTEGRATION RELAY DEFECTIVE) 

scientia non olet · About LEMON Manuals