Nissan Murano: Steering System :: Dtc/circuit Diagnosis / Heated Steering Wheel Switch Indicator Lamp

Nissan Murano (Z52) 2015-2024 Service Manual / Steering / Steering System :: Dtc/circuit Diagnosis / Heated Steering Wheel Switch Indicator Lamp

Component Function Check

CHECK HEATED STEERING WHEEL SWITCH INDICATOR LAMP

  1. Ignition switch ON.

  2. Turn heated steering wheel switch ON. Observe indicator.

  3. Turn heated steering wheel switch OFF. Observe indicator.

Does heated steering wheel switch indicator lamp turn ON and then OFF?

YES>>

Inspection End.

NO>>

Refer to Diagnosis Procedure.

Diagnosis Procedure

CHECK POWER CIRCUIT

  1. Ignition switch OFF.

  2. Remove the heated steering wheel switch. Refer to Removal and Installation.

  3. Ignition switch ON.

  4. Check voltage between heated steering wheel switch harness connector terminals.

    Heated steering wheel switch

    Voltage

    (Approx.)
    Connector Terminals
    + -
    M48 6 8 Battery voltage

Is the inspection result normal?

YES>>

GO TO 2.

NO>>

GO TO 3.

CHECK GROUND CIRCUIT

  1. Ignition switch OFF.

  2. Disconnect heated steering wheel switch connector.

  3. Check continuity between heated steering wheel switch harness connector terminal and ground.

Heated steering wheel switch — Continuity
Connector Terminal
M48 3 Ground Yes

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

Repair harness or connector.

CHECK HARNESS BETWEEN HEATED STEERING WHEEL RELAY AND HEATED STEERING WHEEL SWITCH

  1. Disconnect heated steering wheel relay connector.

  2. Check continuity between heated steering wheel relay harness connector terminal and heated steering wheel switch harness connector terminal.

    Heated steering wheel relay Heated steering wheel switch Continuity
    Connector Terminal Connector Terminal
    M90 5 M48 5 Yes

  3. Check continuity between heated steering wheel relay harness connector terminal and ground.

    Heated steering relay — Continuity
    Connector Terminal
    M90 5 Ground No

Is the inspection result normal?

YES>>

GO TO 4.

NO>>

Repair harness or connector.

CHECK HEATED STEERING WHEEL RELAY

Check heated steering wheel relay. Refer to Component Inspection (Heated Steering Wheel Relay).

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

Replace heated steering wheel relay.

CHECK BATTERY POWER

Check the following:

  • Battery

  • Harness for open or short between battery and 10A fuse (No. 6)

  • 10A fuse (No. 6)

  • Harness for open or short between 10A fuse (No. 6) and heated steering wheel relay

Is the inspection result normal?

YES>>

GO TO 6.

NO>>

Repair harness or connector.

CHECK HARNESS BETWEEN A/C AUTO AMP. AND HEATED STEERING WHEEL SWITCH

  1. Disconnect A/C auto amp. connector.

  2. Check continuity between A/C auto amp. harness connector terminal and heated steering wheel switch harness connector terminal.

    A/C auto amp. Heated steering wheel switch Continuity
    Connector Terminal Connector Terminal
    M50 8 M48 6 Yes

  3. Check continuity between A/C auto amp. harness connector terminal and ground.

    A/C auto amp. — Continuity
    Connector Terminal
    M50 8 Ground No

Is the inspection result normal?

YES>>

GO TO 7.

NO>>

Repair harness or connector.

CHECK HEATED STEERING WHEEL SWITCH

Check heated steering wheel switch. Refer to Component Inspection (Heated Steering Wheel Switch).

Is the inspection result normal?

YES>>

Replace A/C auto amp. Refer to Removal and Installation.

NO>>

Replace heated steering wheel switch. Refer to Removal and Installation.

    Heated Steering Wheel System

    Component Function Check CHECK HEATED STEERING WHEEL SYSTEM Check operation of heated steering wheel system. Refer to System Description. Is the inspection result normal? YES>> Inspection End...

    Steering System :: Symptom Diagnosis

    ..

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