Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Infiniti >> 2017 >> QX80 Base, AWD >> Repair and Diagnosis >> Body & Frame >> Windows >> Power Window Control System >> Circuit Diagnosis >> Power Window Motor >> Rear LH >> Diagnosis Procedure

Diagnosis Procedure

  1. CHECK REAR POWER WINDOW MOTOR INPUT SIGNAL

    1. Turn ignition switch OFF.
    2. Disconnect rear power window motor LH connector.
    3. Turn ignition switch ON.
    4. Check voltage between rear power window motor LH harness connector and ground.
      (+) (-) Condition Voltage (V)
      (Approx.)
      Rear power window motor LH
      Connector Terminal
      D67 1 Ground Rear power window switch LH UP 12
      DOWN 0
      3 UP 0
      DOWN 12

    Is the inspection result normal?

    YES 

    Replace rear power window motor LH. Refer to REMOVAL AND INSTALLATION .

    NO 

    GO TO STEP 2  .

  2. CHECK POWER WINDOW MOTOR CIRCUIT

    1. Turn ignition switch OFF.
    2. Disconnect rear power window switch LH connector.
    3. Check continuity between rear power window switch LH harness connector and rear power window motor LH harness connector.
      Rear power window switch LH Rear power window motor LH Continuity
      Connector Terminal Connector Terminal
      D63 8 D67 1 Existed
      9 3
    4. Check continuity between rear power window switch LH harness connector and ground.
      Rear power window switch LH Ground Continuity
      Connector Terminal
      D63 8 Not existed
      9

    Is the inspection result normal?

    YES 

    Replace rear power window switch LH. Refer to REMOVAL AND INSTALLATION .

    NO 

    Repair or replace harness.