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Home › Toyota › 2008 › Tacoma X-Runner › Repair and Diagnosis › Body & Frame › Windows › Windshield/Window Glass › Power Window Control System › Remote Up/Down Function Does Not Operate › Inspection Procedure

Inspection Procedure

  1. CHECK POWER WINDOW LOCK SWITCH 
    1. Turn the window lock switch OFF and operate the master switches assembly passenger side and rear door side switches. Check that the remote UP/DOWN function operates normally.

      OK: Remote UP/DOWN function operates normally. 

    OK: END 

    Fig 1: Identifying Lock Switch
    G04412838Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: Go to next step 

  2. CHECK MANUAL UP/DOWN FUNCTION 
    1. Check that the passenger side and rear door side power window manual UP/DOWN functions operate normally.

      OK: Manual UP/DOWN function operates normally. 

    NG: OTHER PROBLEM 

    OK: Go to next step 

  3. INSPECT POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY 
    1. Double cab: Inspect the power window regulator master switch assembly.
      1. Remove the power window regulator master switch assembly.
      2. Disconnect the P9 power window regulator master switch connector.
      3. Measure the resistance between the terminals of the connector when the switch is operated.
        Fig 2: Identifying Power Window Regulator Master Switch Assembly Connector Terminals
        G04412839Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        Standard (Passenger switch) 

        POWER WINDOW SWITCH OPERATION CONDITION

        Window Lock Switch Condition Power Window Switch Condition Tester Condition Specified Condition
        OFF (Normal) UP P9-1 (E) - P9-15 (PD)
        P9-7 (B) - P9-18 (PU)        		 Below 1
        OFF (Normal) OFF P9-1 (E) - P9-18 (PU)
        P9-1 (E) - P9-15 (PD)        		 Below 1
        OFF (Normal) DOWN P9-1 (E) - P9-18 (PU)
        P9-7 (B) - P9-15 (PD)        		 Below 1
        ON (Lock) UP P9-7 (B) - P9-18 (PU) Below 1
        ON (Lock) OFF P9-17 (PU) - P9-15 (PD) Below 1
        ON (Lock) DOWN P9-7 (B) - P9-15 (PD) Below 1

        Standard (Rear LH switch) 

        POWER WINDOW SWITCH OPERATION CONDITION

        Window Lock Switch Condition Power Window Switch Condition Tester Condition Specified Condition
        OFF (Normal) UP P9-1 (E) - P9-13 (RLD)
        P9-7 (B) - P9-12 (RLU)        		 Below 1
        OFF (Normal) OFF P9-1 (E) - P9-12 (RLU)
        P9-1 (E) - P9-13 (RLD)        		 Below 1
        OFF (Normal) DOWN P9-1 (E) - P9-12 (RLU)
        P9-7 (B) - P9-13 (RLD)        		 Below 1
        ON (Lock) UP P9-7 (B) - P9-12 (RLU) Below 1
        ON (Lock) OFF P9-12 (RLU) - P9-13 (RLD) Below 1
        ON (Lock) DOWN P9-7 (B) - P9-13 (RLD) Below 1

        Standard (Rear RH switch) 

        POWER WINDOW SWITCH OPERATION CONDITION

        Window Lock Switch Condition Power Window Switch Condition Tester Condition Specified Condition
        OFF (Normal) UP P9-1 (E) - P9-16 (RRD)
        P9-7 (B) - P9-10 (RRU)        		 Below 1
        OFF (Normal) OFF P9-1 (E) - P9-10 (RRU)
        P9-1 (E) - P9-16 (RRD)        		 Below 1
        OFF (Normal) DOWN P9-1 (E) - P9-10 (RRU)
        P9-7 (B) - P9-16 (RRD)        		 Below 1
        ON (Lock) UP P9-7 (B) - P9-10 (RRU) Below 1
        ON (Lock) OFF P9-10 (RRU) - P9-16 (RRD) Below 1
        ON (Lock) DOWN P9-7 (B) - P9-16 (RRD) Below 1
      4. Reconnect the power window regulator master switch connector.
      5. Reinstall the power window regulator master switch assembly.
    2. Access cab: Inspect the power window regulator master switch assembly.
      1. Remove the power window regulator master switch assembly.
      2. Disconnect the P9 power window regulator master switch connector.
      3. Measure the resistance between the terminals of the connector when the switch is operated.
        Fig 3: Identifying Power Window Regulator Master Switch Connector Terminals
        G04412840Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        Standard (Passenger switch) 

        POWER WINDOW SWITCH OPERATION CONDITION

        Window Lock Switch Condition Power Window Switch Condition Tester Condition Specified Condition
        OFF (Normal) UP P9-1 (E) - P9-10 (PD)
        P9-7 (B) - P9-8 (PU)        		 Below 1
        OFF (Normal) OFF P9-1 (E) - P9-8 (PU)
        P9-1 (E) - P9-10 (PD)        		 Below 1
        OFF (Normal) DOWN P9-1 (E) - P9-8 (PU)
        P9-7 (B) - P9-10 (PD)        		 Below 1
        ON (Lock) UP P9-9 (B) - P9-8 (PU) Below 1
        ON (Lock) OFF P9-8 (PU) - P9-10 (PD) Below 1
        ON (Lock) DOWN P9-9 (B) - P9-10 (PD) Below 1
      4. Reconnect the power window regulator master switch connector.
      5. Reinstall the power window regulator master switch assembly.

    NG: REPLACE POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY 

    OK: REPAIR OR REPLACE HARNESS OR CONNECTOR (WINDOW REGULATOR MASTER SWITCH - EACH REGULATOR SWITCH) 

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