Nissan Murano: Seat :: Dtc/circuit Diagnosis / Climate Controlled Seat Switch Indicator

Nissan Murano (Z52) 2015-2024 Service Manual / Body Interior / Seat :: Dtc/circuit Diagnosis / Climate Controlled Seat Switch Indicator

Component Function Check

CHECK CLIMATE CONTROLLED SEAT SWITCH INDICATOR FUNCTION

Check that the related indicator lamp illuminates when climate controlled seat switch is set to HEAT or COOL mode.

Is the inspection result normal?

YES>>

Inspection End.

NO>>

Refer to Diagnosis Procedure.

Diagnosis Procedure

CHECK CLIMATE CONTROLLED SEAT SWITCH INPUT SIGNAL

  1. Ignition switch ON.

  2. Check voltage between climate controlled seat switch harness connector and ground.

    (+) (–) Condition

    Voltage

    (Approx.)
    Climate controlled seat switch Climate controlled seat switch
    Connector Terminal
    LH M203 8 Ground HEAT mode Battery voltage
    OFF 0 V
    9 COOL mode Battery voltage
    OFF 0 V
    RH M206 7 HEAT mode Battery voltage
    OFF 0 V
    8 COOL mode Battery voltage
    OFF 0 V

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

GO TO 2.

CHECK CLIMATE CONTROLLED SEAT SWITCH INDICATOR CIRCUIT

  1. Ignition switch OFF.

  2. Disconnect climate controlled seat switch connector and climate controlled seat control unit connector.

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

    Climate controlled seat switch Climate controlled seat control unit Continuity
    Connector Terminal Connector Terminal
    LH M203 9 B203 9 Yes
    8 10
    RH M206 8 B320 9
    7 10
  4. Check continuity between climate controlled seat switch harness connector and ground.

    Climate controlled seat switch Continuity
    Connector Terminal
    LH M203 9 Ground No
    8
    RH M206 8
    7

Is the inspection result normal?

YES>>

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

NO>>

Repair or replace harness.

CHECK CLIMATE CONTROLLED SEAT SWITCH GROUND CIRCUIT

  1. Ignition switch OFF.

  2. Disconnect climate controlled seat switch connector.

  3. Check continuity between climate controlled seat switch harness connector and ground.

    Climate controlled seat switch Continuity
    Connector Terminal
    LH M203 7 Ground Yes
    RH M206 6

Is the inspection result normal?

YES>>

Replace climate controlled seat switch. Refer to Climate Controlled Seat Switch.

NO>>

Repair or replace harness.

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