Nissan Murano: Power Supply and Ground Circuit / Air Mix Door Motor Lh

Nissan Murano (Z52) 2015-2024 Service Manual / Ventilation, Heater & Air Conditioner / Heater & Air Conditioning Control System :: Dtc/circuit Diagnosis / Power Supply and Ground Circuit / Air Mix Door Motor Lh

Diagnosis Procedure

CHECK AIR MIX DOOR MOTOR LH POWER SUPPLY

  1. Ignition switch ON.

  2. Check voltage between air mix door motor LH harness connector and ground.

    + −

    Voltage

    (Approx.)
    Air mix door motor LH
    Connector Terminal
    M155 1 Ground Battery voltage

Is the inspection result normal?

YES>>

GO TO 2.

NO>>

GO TO 4.

CHECK AIR MIX DOOR MOTOR LH GROUND CIRCUIT

  1. Ignition switch OFF.

  2. Disconnect air mix door motor LH connector.

  3. Check continuity between air mix door motor LH harness connector and ground.

    Air mix door motor LH — Continuity
    Connector Terminal
    M155 2 Ground Yes

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

Repair harness or connector.

CHECK INSTALLATION OF AIR MIX DOOR MOTOR LH

Check air mix door motor LH is properly installed. Refer to Exploded View.

Is the inspection result normal?

YES>>

Replace air mix door motor LH. Refer to Removal and Installation - (LH).

NO>>

Repair or replace malfunctioning part.

CHECK AIR MIX DOOR MOTOR LH POWER SUPPLY CIRCUIT

  1. Ignition switch OFF.

  2. Disconnect air mix door motor LH connector and A/C auto amp. connector.

  3. Check continuity between air mix door motor LH harness connector and A/C auto amp. harness connector.

    Air mix door motor LH A/C auto amp. Continuity
    Connector Terminal Connector Terminal
    M155 1 M50 17 Yes

Is the inspection result normal?

YES>>

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

NO>>

Repair harness or connector.

    A/c Auto Amp.

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    Diagnosis Procedure CHECK AIR MIX DOOR MOTOR RH POWER SUPPLY Ignition switch ON. Check voltage between air mix door motor RH harness connector and ground...

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