Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Nissan-Datsun >> 2012 >> Quest LE >> Repair and Diagnosis >> Body & Frame >> Windows >> Power Window Control System (Front Window Anti-Pinch) >> DTC/Circuit Diagnosis >> Encoder Circuit >> Passenger Side >> PASSENGER SIDE: Diagnosis Procedure

PASSENGER SIDE: Diagnosis Procedure

  1. CHECK ENCODER PULSE SIGNAL
    1. Turn ignition switch ON.
    2. Check signal between front power window switch (passenger side) harness connector and ground using an oscilloscope.
    (+) (-) Signal (Reference value)
    Front power window switch (passenger side)
    Connector Terminal
    D55 12 Ground Refer to the following signal
    15
    Fig 1: Identifying Encoder Pulse Signal Waveforms
    G06934392Courtesy of NISSAN NORTH AMERICA, INC.

    Is the inspection result normal? 

    YES: Replace front power window switch (passenger side). Refer to "Removal and Installation ".

    NO: GO TO 2.

  2. CHECK ENCODER SIGNAL CIRCUIT
    1. Turn ignition switch OFF.
    2. Disconnect front power window switch (passenger side) connector and front power window motor (passenger side) connector.
    3. Check continuity between front power window switch (passenger side) harness connector and front power window motor (passenger side) harness connector.
      Front power window switch (passenger side) Front power window motor (passenger side) Continuity
      Connector Terminal Connector Terminal
      D55 12 D46 5 Existed
      15 3
    4. Check continuity between front power window switch (passenger side) harness connector and ground.
    Front power window switch (passenger side) Ground Continuity
    Connector Terminal
    D55 12 Not existed
    15

    Is the inspection result normal? 

    YES: GO TO 3.

    NO: Repair or replace harness.

  3. CHECK ENCODER POWER SUPPLY
    1. Connect front power window switch (passenger side) connector.
    2. Turn ignition switch ON.
    3. Check voltage between front power window motor (passenger side) harness connector and ground.
    (+) (-) Voltage (V)
    Front power window motor (passenger side)
    Connector Terminal
    D46 4 Ground 9 - 16

    Is the inspection result normal? 

    YES: GO TO  5.

    NO: GO TO 4.

  4. CHECK ENCODER POWER SUPPLY CIRCUIT
    1. Turn ignition switch OFF.
    2. Disconnect front power window switch (passenger side) connector.
    3. Check continuity between front power window switch (passenger side) harness connector and front power window motor (passenger side) harness connector.
      Front power window switch (passenger side) Front power window motor (passenger side) Continuity
      Connector Terminal Connector Terminal
      D55 4 D46 4 Existed
    4. Check continuity between front power window switch (passenger side) harness connector and ground.
    Front power window switch (passenger side) Ground Continuity
    Connector Terminal
    D55 4 Not existed

    Is the inspection result normal? 

    YES: Replace front power window switch (passenger side). Refer to "Removal and Installation ".

    NO: Repair or replace harness.

  5. CHECK ENCODER GROUND CIRCUIT 1
    1. Turn ignition switch OFF.
    2. Disconnect front power window switch (passenger side) connector.
    3. Check continuity between front power window switch (passenger side) harness connector and front power window motor (passenger side) harness connector.
      Front power window switch (passenger side) Front power window motor (passenger side) Continuity
      Connector Terminal Connector Terminal
      D55 3 D46 6 Existed
    4. Check continuity between front power window switch (passenger side) harness connector and ground.
    Front power window switch (passenger side) Ground Continuity
    Connector Terminal
    D55 3 Not existed

    Is the inspection result normal? 

    YES: GO TO 6.

    NO: Repair or replace harness.

  6. CHECK ENCODER GROUND CIRCUIT 2
    1. Connect front power window switch (passenger side) connector.
    2. Check continuity between front power window switch (passenger side) harness connector and ground.
    Front power window switch (passenger side) Ground Continuity
    Connector Terminal
    D55 3 Existed

    Is the inspection result normal? 

    YES: Replace front power window motor (passenger side). Refer to "REMOVAL AND INSTALLATION ".

    NO: Replace front power window switch (passenger side). Refer to "Removal and Installation ".

scientia non olet · About Mike's Workshop Manuals