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Home › Toyota › 2009 › 4Runner Limited, 4.7 T, AWD › Repair and Diagnosis › Body & Frame › Windows › Windshield/Window Glass › Power Window Control System › Symptom Test › Power Windows do not Operate at All › Inspection Procedure

Inspection Procedure

  1. INSPECT FUSE (POWER) 
    1. Remove the fuse from the instrument panel J/B assembly.
    2. Check the continuity.

      Standard: 

      Continuity 

      NG: REPLACE FUSE 

      OK: Go to next step 

  2. INSPECT INSTRUMENT PANEL J/B ASSEMBLY 
    1. Remove the POWER relay.
    2. Turn the ignition switch ON.
    3. Check the voltage between the J/B terminals 1 and 2.

      Standard: 

      10 to 14 V 

      NG: REPLACE INSTRUMENT PANEL J/B ASSEMBLY 

      Fig 1: Identifying Power Relay
      G06129672Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      OK: Go to next step 

  3. INSPECT POWER RELAY (POWER) 
    1. Remove the relay from the backside of the instrument panel J/B assembly.
    2. Check the continuity.
    3. Check the voltage between the J/B terminals 1 and 2.

      Standard 

      TERMINAL SPECIFIED CONDITION REFERENCE CHART

      Terminal No. Condition Specified Condition
      1 - 2 Constant Continuity
      3 - 5 Apply battery voltage to terminal 1 and 2 Continuity
      Fig 2: Power Relay Circuit
      G05237222Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      NG: REPLACE POWER RELAY 

      OK: Go to next step 

  4. CHECK WIRE HARNESS (TERMINAL B2, BW OR E) 
    1. Disconnect the D17 switch connector.
    2. Check the voltage or continuity between each terminal of the wire harness side connector and the body ground.

      Standard 

      TERMINAL SPECIFIED CONDITION REFERENCE CHART

      Symbols (Terminal No.) Condition Specified Condition
      D17-11 - Body ground Ignition switch ON 10 to 14 V
      D17-7 - Body ground Constant 10 to 14 V
      D17-1 - Body ground Constant Continuity
      Fig 3: Identifying D17 Switch Connector Terminals (B2, BW Or E)
      G06129674Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      NG: REPAIR OR REPLACE HARNESS AND CONNECTOR 

      OK: Go to next step 

  5. CHECK WIRE HARNESS (TERMINAL B) 
    1. Turn the ignition switch ON.
    2. Check the voltage between terminal 6 of the wire harness side connector and the body ground.

      Standard voltage 

      TERMINAL SPECIFIED CONDITION REFERENCE CHART

      Terminal No. Condition Specified Condition
      D17-6 - Body ground Ignition switch ON 10 to 14 V

      NG: REPAIR OR REPLACE HARNESS AND CONNECTOR (POWER WINDOW RELAY MASTER SWITCH) 

      Fig 4: Identifying D17 Switch Connector Terminals (B)
      G06129675Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      OK: REPLACE POWER WINDOW MASTER SWITCH ASSEMBLY 

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