Nissan Murano: Seat :: Dtc/circuit Diagnosis / Seat Back Heater

Nissan Murano (Z52) 2015-2024 Service Manual / Body Interior / Seat :: Dtc/circuit Diagnosis / Seat Back Heater

Component Function Check

CHECK SEAT BACK HEATER FUNCTION

Check whether or not the temperature of the seat back heater changes in accordance with the HEAT switch operation of the climate controlled seat control switch.

Is the inspection result normal?

YES>>

Inspection End.

NO>>

Refer to Diagnosis Procedure.

Diagnosis Procedure

CHECK SEAT BACK HEATER INPUT SIGNAL

  1. Ignition switch ON.

  2. Check voltage between seat back heater harness connectors.

    Seat back heater Condition

    Voltage

    (Approx.)
    Connector (+) (-)
    Terminal
    LH B213 1 2 Climate controlled seat switch HEAT 0 V - 12 V*
    OFF 0 V
    RH B309 1 2 Climate controlled seat switch HEAT 0 V - 12 V*
    OFF 0 V

    *:It changes between 12 and 0 V.

    NOTE:

    Wait 1 minute or more after the activation start, and then start the measurement.

Is the inspection result normal?

YES>>

Replace seat back heater. Refer to Exploded View.

NO>>

GO TO 2.

CHECK SEAT BACK HEATER CIRCUIT

  1. Ignition switch OFF.

  2. Disconnect climate controlled seat control unit connector and seat back heater connector.

  3. Check continuity between climate controlled seat control unit harness connector and seat back heater harness connector.

    Climate controlled seat control unit Seat back heater Continuity
    Connector Terminal Connector Terminal
    LH B204 27 B213 2 Yes
    29 1
    RH B321 27 B309 2
    29 1
  4. Check continuity between climate controlled seat control unit harness connector and ground.

    Climate controlled seat control unit Continuity
    Connector Terminal
    LH B204 27 Ground No
    29
    RH B321 27
    29

Is the inspection result normal?

YES>>

Replace climate controlled seat control unit. Refer to Climate Controlled Seat Control Unit.

NO>>

Repair or replace harness.

    Climate Controlled Seat Switch Indicator

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    Seat Back Heater Sensor

    Component Function Check CHECK SEAT BACK HEATER FUNCTION Check whether or not the temperature of the seat back heater changes in accordance with the HEAT switch operation of the climate controlled seat control switch...

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    Categories

    Seatback pockets

    Nissan Murano. Seatback pockets

    Theremaybe one or two seatback pockets located on the back of the driver and passenger seats. The pockets can be used to store maps.

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