Nissan Murano: Power Window Control System :: Dtc/circuit Diagnosis / Encoder. Front Lh

Nissan Murano (Z52) 2015-2024 Service Manual / Body Exterior, Doors, Roof & Vehicle Security / Power Window Control System :: Dtc/circuit Diagnosis / Encoder. Front Lh

Component Function Check

CHECK ENCODER

Check that driver side door glass performs AUTO open/close operation normally by main power window and door lock/unlock switch.

Is the inspection result normal?

YES>>

Encoder is OK.

NO>>

Refer to Diagnosis Procedure.

Diagnosis Procedure

CHECK ENCODER SIGNAL

  1. Ignition switch ON.

  2. Check signal between main power window and door lock/unlock switch harness connector and ground with oscilloscope.

    Signal name (+) (–)

    Signal

    (Reference value)
    Main power window and door lock/unlock switch
    Connector Terminal
    Encoder signal 1 D7 5 Ground Refer to following signal
    Encoder signal 2 4

Is the inspection result normal?

YES>>

Replace main power window and door lock/unlock switch. Refer to Removal and Installation.

NO>>

GO TO 2.

CHECK ENCODER SIGNAL CIRCUIT

  1. Ignition switch OFF.

  2. Disconnect main power window and door lock/unlock switch connector and front power window motor LH connector.

  3. Check continuity between main power window and door lock/unlock switch harness connector and front power window motor LH harness connector.

    Main power window and door lock/unlock switch Front power window motor LH Continuity
    Connector Terminal Connector Terminal
    D7 4 D9 6 Yes
    5 5

  4. Check continuity between main power window and door lock/unlock switch harness connector and ground.

    Main power window and door lock/unlock switch Ground Continuity
    Connector Terminal
    D7 4 No
    5

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

Repair or replace harness.

CHECK ENCODER POWER SUPPLY

  1. Connect main power window and door lock/unlock switch connector.

  2. Ignition switch ON.

  3. Check voltage between front power window motor LH harness connector and ground.

    (+) (–)

    Voltage

    (Approx.)
    Front power window motor LH
    Connector Terminal
    D9 2 Ground Battery voltage

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

GO TO 4.

CHECK ENCODER POWER SUPPLY CIRCUIT

  1. Ignition switch OFF.

  2. Disconnect main power window and door lock/unlock switch connector.

  3. Check continuity between main power window and door lock/unlock switch harness connector and front power window motor LH harness connector.

    Main power window and door lock/unlock switch Front power window motor LH Continuity
    Connector Terminal Connector Terminal
    D7 14 D9 2 Yes

  4. Check continuity between main power window and door lock/unlock switch harness connector and ground.

    Main power window and door lock/unlock switch Ground Continuity
    Connector Terminal
    D7 14 No

Is the inspection result normal?

YES>>

Replace main power window and door lock/unlock switch. Refer to Removal and Installation.

NO>>

Repair or replace harness.

CHECK GROUND CIRCUIT 1

  1. Ignition switch OFF.

  2. Check continuity between front power window motor LH harness connector and ground.

    Front power window motor LH Ground Continuity
    Connector Terminal
    D9 4 Yes

Is the inspection result normal?

YES>>

Replace front power window motor LH. Refer to Removal and Installation.

NO>>

GO TO 6.

CHECK GROUND CIRCUIT 2

  1. Disconnect main power window and door lock/unlock switch connector.

  2. Check continuity between main power window and door lock/unlock switch harness connector and front power window motor LH harness connector.

    Main power window and door lock/unlock switch Front power window motor LH Continuity
    Connector Terminal Connector Terminal
    D7 12 D9 4 Yes

  3. Check continuity between main power window and door lock/unlock switch harness connector and ground.

    Main power window and door lock/unlock switch Ground Continuity
    Connector Terminal
    D7 12 No

Is the inspection result normal?

YES>>

Replace main power window and door lock/unlock switch. Refer to Removal and Installation.

NO>>

Repair or replace harness.

    Power Window Motor. Front Lh

    Component Function Check CHECK POWER WINDOW MOTOR CIRCUIT Check front power window motor LH operation with main power window and door lock/unlock switch...

    Power Window Serial Link

    ..

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