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Home >> Infiniti >> 2015 >> QX60 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 56 (Seats (Except Hybrid)) >> DTC/Circuit Diagnosis >> Climate Controlled Seat Switch Indicator >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different car, the 2016 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.

Regarding Wiring Diagram information, refer to WIRING DIAGRAM .

  1. CHECK CLIMATE CONTROLLED SEAT SWITCH INPUT SIGNAL

    1. Turn ignition switch ON.
    2. Check voltage between climate controlled seat switch harness connector and ground.
      (+) (-) Condition Voltage (V)
      (Approx.)
      Climate controlled seat switch Climate controlled seat switch
      Connector Terminal
      Driver side M203 5 Ground HEAT mode Battery voltage
      OFF 0
      4 COOL mode Battery voltage
      OFF 0
      Passenger side M206 5 HEAT mode Battery voltage
      OFF 0
      4 COOL mode Battery voltage
      OFF 0

    Is the inspection result normal?

    YES 

    GO TO STEP 3  .

    NO 

    GO TO STEP 2  .

  2. CHECK CLIMATE CONTROLLED SEAT SWITCH INDICATOR CIRCUIT

    1. Turn 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
      Driver side M203 4 B204 9 Yes
      5 10
      Passenger side M206 4 B305 9
      5 10
    4. Check continuity between climate controlled seat switch harness connector and ground.
      Climate controlled seat switch Ground Continuity
      Connector Terminal
      Driver side M203 4 No
      5
      Passenger side M206 4
      5

    Is the inspection result normal?

    YES 

    Replace climate controlled seat control unit. Refer to EXPLODED VIEW .

    NO 

    Repair or replace harness.

  3. CHECK CLIMATE CONTROLLED SEAT SWITCH GROUND CIRCUIT

    1. Turn 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 Ground Continuity
      Connector Terminal
      Driver side M203 6 Yes
      Passenger side M206

    Is the inspection result normal?

    YES 

    Replace climate controlled seat switch. Refer to REMOVAL AND INSTALLATION .

    NO 

    Repair or replace harness.

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