LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2011 >> EX35 Base, AWD >> Repair and Diagnosis >> Body & Frame >> Windows >> Power Window Control System >> DTC/Circuit Diagnosis >> Encoder >> Passenger Side >> PASSENGER SIDE : Diagnosis Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

PASSENGER SIDE : Diagnosis Procedure

  1. CHECK ENCODER SIGNAL
    1. Turn ignition switch ON.
    2. Check signal between front power window switch (passenger side) harness connector and ground using oscilloscope.
    TERMINALS REFERENCE

    (+) (-) Signal (Reference value)
    Front power window switch (passenger side)
    Connector Terminal
    D38 12 Ground Refer to following signal
    15
    Fig 1: Identifying Signal Waveform
    G05974396Courtesy of NISSAN MOTOR CO., U.S.A.

    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.
      CONTINUITY SPECIFICATION

      Front power window switch (passenger side) Front power window motor (passenger side) Continuity
      Connector Terminal Connector Terminal
      D38 12 D40 5 Existed
      15 3
    4. Check continuity between front power window switch (passenger side) harness connector and ground.
    CONTINUITY SPECIFICATION

    Front power window switch (passenger side) Ground Continuity
    Connector Terminal
    D38 12 Not existed
    15

    Is the inspection result normal? 

    YES: GO TO 3.

    NO: Repair or replace harness.

  3. CHECK ENCODER POWER SUPPLY CIRCUIT
    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 SPECIFICATION

    (+) (-) Voltage (V) (Approx.)
    Front power window motor (passenger side)
    Connector Terminal
    D40 4 Ground Battery voltage

    Is the inspection result normal? 

    YES: GO TO  5.

    NO: GO TO 4.

  4. CHECK ENCODER POWER SUPPLY CIRCUIT 2
    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.
      CONTINUITY SPECIFICATION

      Front power window switch (passenger side) Front power window motor (passenger side) Continuity
      Connector Terminal Connector Terminal
      D38 4 D40 4 Existed
    4. Check continuity between front power window switch (passenger side) harness connector and ground.
    CONTINUITY SPECIFICATION

    Front power window switch (passenger side) Ground Continuity
    Connector Terminal
    D38 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 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.
    CONTINUITY SPECIFICATION

    Front power window switch (passenger side) Front power window motor (passenger side) Continuity
    Connector Terminal Connector Terminal
    D38 3 D40 6 Existed

    Is the inspection result normal? 

    YES: GO TO 6.

    NO: Repair or replace harness.

  6. CHECK 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.
    CONTINUITY SPECIFICATION

    Front power window switch (passenger side) Ground Continuity
    Connector Terminal
    D38 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 LEMON Manuals