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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 >> Power Supply And Ground Circuit >> Climate Controlled Seat Control Unit >> Diagnosis Procedure >> Passenger Side

Passenger Side

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.

  1. CHECK FUSE

    Check if any of the following fuses are blown.

    Signal name Fuse No.
    Battery power supply 66 (15A)
    IGN power supply 29 (5A)

    Is the fuse blown?

    YES 

    Replace the blown fuse after repairing the affected circuit.

    NO 

    GO TO STEP 2  .

  2. CHECK CLIMATE CONTROLLED SEAT CONTROL UNIT (PASSENGER SIDE) POWER SUPPLY

    1. Turn ignition switch OFF.
    2. Disconnect climate controlled seat control unit (passenger side) connector.
    3. Turn ignition switch ON.
    4. Check voltage between climate controlled seat control unit (passenger side) harness connector and ground.
      (+) (-) Voltage (V)
      (Approx.)
      Climate controlled seat control unit (passenger side)
      Connector Terminal
      B304 29 Ground Battery voltage

    Is the inspection result normal?

    YES 

    GO TO STEP   7  .

    NO 

    GO TO STEP 3  .

  3. CHECK CLIMATE CONTROLLED SEAT CONTROL UNIT (PASSENGER SIDE) POWER SUPPLY CIRCUIT

    1. Turn ignition switch OFF.
    2. Disconnect climate controlled seat relay.
    3. Check continuity between climate controlled seat control unit (passenger side) harness connector and climate controlled seat relay harness connector.
      Climate controlled seat control unit (passenger side) Climate controlled seat relay Continuity
      Connector Terminal Connector Terminal
      B304 29 M58 3 Yes
    4. Check continuity between climate controlled seat control unit (passenger side) harness connector and ground.
      Climate controlled seat control unit (passenger side) Ground Continuity
      Connector Terminal
      B304 29 No

    Is the inspection result normal?

    YES 

    GO TO STEP 4  .

    NO 

    Repair or replace harness or connector.

  4. CHECK CLIMATE CONTROLLED SEAT RELAY POWER SUPPLY CIRCUIT

    1. Turn ignition switch ON.
    2. Check voltage between climate controlled seat relay harness connector and ground.
      (+) (-) Voltage (V)
      (Approx.)
      Climate controlled seat relay
      Connector Terminal
      M58 2 Ground Battery voltage
      5

    Is the inspection result normal?

    YES 

    GO TO STEP 5  .

    NO 

    Repair or replace harness or connector.

  5. CHECK CLIMATE CONTROLLED SEAT RELAY GROUND CIRCUIT

    1. Turn ignition switch OFF.
    2. Check continuity between climate controlled seat relay harness connector and ground.
      Climate controlled seat relay Ground Continuity
      Connector Terminal
      M58 1 Yes

    Is the inspection result normal?

    YES 

    GO TO STEP 6  .

    NO 

    Repair or replace harness.

  6. CHECK CLIMATE CONTROLLED SEAT RELAY

    Check climate controlled seat relay.

    Refer to COMPONENT INSPECTION .

    Is the inspection result normal?

    YES 

    GO TO STEP 7  .

    NO 

    Replace climate controlled seat relay.

  7. CHECK CLIMATE CONTROLLED SEAT CONTROL UNIT (PASSENGER SIDE) GROUND CIRCUIT

    1. Turn ignition switch OFF.
    2. Check continuity between harness connector and ground.
      Climate controlled seat control unit (passenger side) Ground Continuity
      Connector Terminal
      B304 27 Yes

    Is the inspection result normal?

    YES 

    Check intermittent incident  . Refer to INTERMITTENT INCIDENT .

    NO 

    Repair harness or connector.

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