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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 >> Manual Up/Down Function does not Operate on Rear LH Only >> Inspection Procedure
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Inspection Procedure

  1. CHECK WIRE HARNESS (POWER SOURCE) 
    1. Disconnect the P10 regulator switch connector.
    2. Turn the ignition switch ON.
    3. Check the voltage between the terminal 4 of the wire harness side connector and the body ground.

      Standard voltage: 

      10 to 14 V 

      NG: REPAIR OR REPLACE HARNESS AND CONNECTOR (SWITCH - RELAY) 

      Fig 1: Identifying P10 Regulator Switch Connector Terminals
      G06129662Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      OK: Go to next step 

  2. INSPECT POWER WINDOW REGULATOR SWITCH (REAR LH) 
    1. Remove the regulator switch.
    2. Check the resistance between the switch terminals when the switch is operated, as shown in the table below.

      Standard resistance 

      TERMINAL SPECIFIED CONDITION REFERENCE CHART

      Terminal No. Regulator Switch Specified Condition
      1 - 2,3 - 4 UP Continuity
      1 - 2, 3 - 5 OFF
      1 - 4,3 - 5 DOWN

      NG: REPLACE POWER WINDOW REGULATOR SWITCH ASSEMBLY REAR (REAR LH) 

      Fig 2: Identifying Power Window Regulator Switch Connector Terminals
      G04967127Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      OK: Go to next step 

  3. CHECK WIRE HARNESS (SWITCH - MOTOR) (SWITCH - BODY GROUND) 
    1. Disconnect the P14 motor connector.
    2. Check the resistance between the wire harness side connectors.

      Standard resistance 

      TERMINAL SPECIFIED CONDITION REFERENCE CHART

      Terminal No. Specified Condition
      P10-3 - P14-1 Continuity
      P10-1 - P14-2
    3. Check the resistance between the P10 regulator switch connector and body ground.

      Standard resistance 

      TERMINAL SPECIFIED CONDITION REFERENCE CHART

      Terminal No. Specified Condition
      P10-1 - Body ground No continuity
      P10-3 - Body ground

      NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

      Fig 3: Identifying P14 Motor Connector Terminals
      G06129664Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      OK: Go to next step 

  4. INSPECT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH (REAR LH) 
    1. Remove the motor.
    2. Apply battery voltage to connector terminals 1 and 2.
    3. Check that the motor smoothly rotates.

      Standard 

      TERMINAL SPECIFIED CONDITION REFERENCE CHART

      Terminal No. Specified Condition
      Battery positive (+) → 2
      Battery negative (-) → 1      		 Motor gear rotates clockwise
      Battery positive (+) → 1
      Battery negative (-) → 2      		 Motor gear rotates counterclockwise

      NG: REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY LH (REAR LH) 

      Fig 4: Inspecting Power Window Regulator Motor Assembly LH (Rear LH)
      G04967134Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

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