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Home >> Toyota >> 2008 >> Sequoia Platinum, RWD >> Repair and Diagnosis >> Body & Frame >> Windows >> Window/Glass >> Power Window Control System >> Rear Power Window LH Does Not Operate with Rear Power Window Switch LH >> Inspection Procedure

Inspection Procedure

  1. CHECK HARNESS AND CONNECTOR (REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY LH - BATTERY) 
    1. Disconnect the N9 rear power window regulator switch assembly LH connector.
    2. Measure the voltage according to the value(s) in the table below.

      Standard Voltage 

      TESTER CONNECTION SPECIFIED CONDITION CHART

      Tester Connection Switch Condition Specified Condition
      N9-3 (B) - Body ground Ignition switch ON 11 to 14 V
    3. Reconnect the rear power window regulator switch assembly LH connector.

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Fig 1: Identifying N9 Rear Power Window Regulator Switch Assembly LH Connector Terminals
    G05655810Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK: Go to next step 

  2. INSPECT REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY LH 
    1. Remove the rear power window regulator switch assembly LH (See REMOVAL  ).
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance 

      TESTER CONNECTION SPECIFIED CONDITION CHART

      Tester Connection Switch Condition Specified Condition
      4 (U) - 3 (B) UP Below 1 Ω
      1 (D) - 2 (SD) UP Below 1 Ω
      4 (U) - 5 (SU) OFF Below 1 Ω
      1 (D) - 2 (SD) OFF Below 1 Ω
      4 (U) - 5 (SU) DOWN Below 1 Ω
      1 (D) - 3 (B) DOWN Below 1 Ω
    3. Reinstall the rear power window regulator switch assembly LH.
      Fig 2: Identifying Rear Power Window Regulator Switch Assembly LH Connector Terminals
      G05655811Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

    OK: Go to next step 

  3. CHECK HARNESS AND CONNECTOR (REAR POWER WINDOW SWITCH LH - POWER WINDOW MOTOR LH) 
    1. Disconnect the N9 rear power window regulator switch assembly LH connector.
    2. Disconnect the N10 rear power window regulator motor assembly LH connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance 

      TESTER CONNECTION SPECIFIED CONDITION CHART

      Tester Connection Condition Specified Condition
      N9-1 (D) - N10-1 (D) Always Below 1 Ω
      N9-4 (U) - N10-2 (U) Always Below 1 Ω
      N9-1 (D) - Body ground Always 10 kΩ or higher
      N9-4 (U) - Body ground Always 10 kΩ or higher
    4. Reconnect the rear power window regulator motor assembly LH connector.
    5. Reconnect the rear power window regulator switch assembly LH connector.

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Fig 3: Identifying Rear Power Window Regulator Switch And Motor Assembly LH Connector Terminals
    G05655812Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK: Go to next step 

  4. INSPECT REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH 
    1. Remove the rear power window regulator motor assembly LH (See REMOVAL  ).
    2. Apply battery voltage to connector terminals 1 and 2.
    3. Check that the motor gear rotates smoothly as follows.

      OK 

      MEASUREMENT AND SPECIFIED CONDITION REFERENCE CHART

      Measurement Condition Specified Condition
      Battery positive (+) → 1
      Battery negative (-) → 2      		 Motor gear rotates counterclockwise
      Battery positive (+) → 2
      Battery negative (-) → 1      		 Motor gear rotates clockwise
    4. Reinstall the rear power window regulator motor assembly LH.

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

    Fig 4: Inspecting Rear Power Window Regulator Motor Assembly LH
    G05655813Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK: Go to next step 

  5. CHECK HARNESS AND CONNECTOR (POWER WINDOW MASTER SWITCH - REAR POWER WINDOW SWITCH LH) 
    1. Disconnect the M2 power window regulator master switch assembly connector.
    2. Disconnect the N9 rear power window regulator switch assembly LH connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance 

      TESTER CONNECTION SPECIFIED CONDITION CHART

      Tester Connection Condition Specified Condition
      M2-12 (U) - N9-5 (SU) Always Below 1 Ω
      M2-15 (D) - N9-2 (SD) Always Below 1 Ω
      M2-12 (U) - Body ground Always 10 kΩ or higher
      M2-15 (D) - Body ground Always 10 kΩ or higher
    4. Reconnect the rear power window regulator switch assembly LH connector.
    5. Reconnect the power window regulator master switch assembly connector.

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Fig 5: Identifying Rear Power Window Regulator Switch Assembly LH Connector Terminals
    G05655814Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK: REPLACE POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY  (See REMOVAL  )

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