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Home >> Toyota >> 2009 >> Tacoma PreRunner, 2D Pickup >> Repair and Diagnosis >> Body & Frame >> Windows >> Windshield/Window Glass >> Power Window Control System >> Remote Up/Down Function does not Operate >> Inspection Procedure
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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 Window Lock Switch
    G04967105Courtesy 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 (Double Cab)
        G06087586Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        Standard (Passenger switch) 

        SWITCH CONDITION CHART

        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 Ω
        OFF (Normal) OFF P9-1 (E) - P9-18 (PU)
        P9-1 (E) - P9-15 (PD)        		 Below 1 Ω
        OFF (Normal) DOWN P9-1 (E) - P9-18 (PU)
        P9-7 (B) - P9-15 (PD)        		 Below 1 Ω
        ON (Lock) UP P9-7 (B) - P9-18 (PU) Below 1 Ω
        ON (Lock) OFF P9-18 (PU) - P9-15 (PD) Below 1 Ω
        ON (Lock) DOWN P9-7 (B) - P9-15 (PD) Below 1 Ω

        Standard (Rear LH switch) 

        SWITCH CONDITION CHART

        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 Ω
        OFF (Normal) OFF P9-1 (E) - P9-12 (RLU)
        P9-1 (E) - P9-13 (RLD)        		 Below 1 Ω
        OFF (Normal) DOWN P9-1 (E) - P9-12 (RLU)
        P9-7 (B) - P9-13 (RLD)        		 Below 1 Ω
        ON (Lock) UP P9-7 (B) - P9-12 (RLU) Below 1 Ω
        ON (Lock) OFF P9-12 (RLU) - P9-13 (RLD) Below 1 Ω
        ON (Lock) DOWN P9-7 (B) - P9-13 (RLD) Below 1 Ω

        Standard (Rear RH switch) 

        SWITCH CONDITION CHART

        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 Ω
        OFF (Normal) OFF P9-1 (E) - P9-10 (RRU)
        P9-1 (E) - P9-16 (RRD)        		 Below 1 Ω
        OFF (Normal) DOWN P9-1 (E) - P9-10 (RRU)
        P9-7 (B) - P9-16 (RRD)        		 Below 1 Ω
        ON (Lock) UP P9-7 (B) - P9-10 (RRU) Below 1 Ω
        ON (Lock) OFF P9-10 (RRU) - P9-16 (RRD) Below 1 Ω
        ON (Lock) DOWN P9-7 (B) - P9-16 (RRD) Below 1 Ω
      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 Assembly Connector Terminals (Access Cab)
        G06087587Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        Standard (Passenger switch) 

        SWITCH CONDITION CHART

        Window Lock Switch Condition Power Window Switch Condition Tester Condition Specified Condition
        OFF (Normal) UP P9-1 (E) - P9-10 (PD)
        P9-9 (B) - P9-8 (PU)        		 Below 1 Ω
        OFF (Normal) OFF P9-1 (E) - P9-8 (PU)
        P9-1 (E) - P9-10 (PD)        		 Below 1 Ω
        OFF (Normal) DOWN P9-1 (E) - P9-8 (PU)
        P9-9 (B) - P9-10 (PD)        		 Below 1 Ω
        ON (Lock) UP P9-9 (B) - P9-8 (PU) Below 1 Ω
        ON (Lock) OFF P9-8 (PU) - P9-10 (PD) Below 1 Ω
        ON (Lock) DOWN P9-9 (B) - P9-10 (PD) Below 1 Ω
      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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