Nissan Murano: Dtc/circuit Diagnosis / Turn Signal Lamp Circuit

Nissan Murano (Z52) 2015-2024 Service Manual / Driver Controls / Exterior Lighting System :: Led Headlamp / Dtc/circuit Diagnosis / Turn Signal Lamp Circuit

Component Function Check

CHECK TURN SIGNAL LAMP

CONSULT

  1. Select "FLASHER" in “Active Test” mode of “BCM(FLASHER)”.

  2. While operating the test items, check that the turn signal lamp blinks.

    LH : Turn signal lamp LH blinking
    RH : Turn signal lamp RH blinking
    OFF : The turn signal lamp OFF

Is the inspection result normal?

YES>>

Turn signal lamp circuit is normal.

NO>>

Refer to Diagnosis Procedure.

Diagnosis Procedure

CHECK TURN SIGNAL LAMP OUTPUT VOLTAGE

  1. Ignition switch OFF.

  2. Disconnect the front combination lamp connector, door mirror connector and the rear combination lamp (body side) connector.

  3. Ignition switch ON.

  4. With turn signal switch operating, check the voltage between the front combination lamp harness connector and ground.

    (+) (−)

    Voltage

    (Approx.)
    Front combination lamp
    Connector Terminal
    LH E247 8 Ground

    RH E243

  5. With turn signal switch operating, check the voltage between the door mirror harness connector and ground.

    (+) (−)

    Voltage

    (Approx.)
    Door mirror
    Connector Terminal
    LH D4 20 Ground

    RH D107

  6. With turn signal switch operating, check the voltage between the rear combination lamp (body side) harness connector and ground.

    (+) (−)

    Voltage

    (Approx.)
    Rear combination lamp (body side)
    Connector Terminal
    LH B460 8 Ground

    RH B459

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

GO TO 2.

CHECK TURN SIGNAL LAMP POWER SUPPLY CIRCUIT

  1. Ignition switch OFF.

  2. Disconnect BCM connector.

  3. Check continuity between the BCM harness connector and the front combination lamp connector.

    Front combination lamp BCM Continuity
    Connector Terminal Connector Terminal
    LH E247 8 M80 117 Yes
    RH E243 105

  4. Check continuity between the BCM harness connector and the door mirror connector.

    Door mirror BCM Continuity
    Connector Terminal Connector Terminal
    LH D4 20 M20 98 Yes
    RH D107 104

  5. Check continuity between the BCM harness connector and the rear combination lamp (body side) connector.

    Rear combination lamp (body side) BCM Continuity
    Connector Terminal Connector Terminal
    LH B460 8 M20 103 Yes
    RH B459 92

Is the inspection result normal?

YES>>

Replace BCM. Refer to Removal and Installation.

NO>>

Repair the harness or connector.

CHECK TURN SIGNAL LAMP GROUND CIRCUIT

  1. Check continuity between the front combination lamp harness connector and ground.

    Front combination lamp — Continuity
    Connector Terminal
    LH E247 7 Ground Yes
    RH E243

  2. Check continuity between the door mirror harness connector and ground.

    Door mirror — Continuity
    Connector Terminal
    LH D4 21 Ground Yes
    RH D107

  3. Check continuity between the rear combination lamp (body side) harness connector and ground.

    Rear combination lamp (body side) — Continuity
    Connector Terminal
    LH B460 7 Ground Yes
    RH B459

Is the inspection result normal?

YES>>

Replace the malfunctioning lamp.

NO>>

Repair the harness or connector.

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