LEMON Manuals: Even more car manuals for everyone
Home >> Infiniti >> 2015 >> QX60 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 56 (Seats (Except Hybrid)) >> DTC/Circuit Diagnosis >> Climate Controlled Seat Blower Motor >> 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 BLOWER MOTOR POWER SUPPLY

    1. Turn ignition switch ON.
    2. Check voltage between climate controlled seat blower motor harness connector and ground.
      (+) (-) Condition Voltage (V)
      (Approx.)
      Climate controlled seat blower motor
      Connector Terminal
      Driver side B213 2 Ground Climate controlled seat switch HEAT mode Battery voltage
      COOL mode
      Other than above 0
      Passenger side B307 Climate controlled seat switch HEAT mode Battery voltage
      COOL mode
      Other than above 0

    Is the inspection result normal?

    YES 

    GO TO STEP 3  .

    NO 

    GO TO STEP 2  .

  2. CHECK CLIMATE CONTROLLED SEAT BLOWER MOTOR POWER SUPPLY CIRCUIT

    1. Turn ignition switch OFF.
    2. Disconnect climate controlled seat blower motor connector and climate controlled seat control unit connector.
    3. Check continuity between climate controlled seat blower motor harness connector and climate controlled seat control unit harness connector.
      Climate controlled seat blower motor Climate controlled seat control unit Continuity
      Connector Terminal Connector Terminal
      Driver side B213 2 B204 12 Yes
      Passenger side B307 B305
    4. Check continuity between climate controlled seat blower motor harness connector and ground.
      Climate controlled seat blower motor Ground Continuity
      Connector Terminal
      Driver side B213 2 No
      Passenger side B307

    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 BLOWER MOTOR SPEED CONTROL SIGNAL

    Check voltage between climate controlled seat blower motor harness connector and ground.

    (+) (-) Condition Voltage (V)
    (Approx.)
    Climate controlled seat blower motor
    Connector Terminal
    Driver side B213 3 Ground Climate controlled seat switch HEAT 8.5 - 9
    COOL HI Battery voltage
    MID 9
    LO 8
    Other than above 0
    Passenger side B307 Climate controlled seat switch HEAT 8.5 - 9
    COOL HI Battery voltage
    MID 9
    LO 8
    Other than above 0

    Is the inspection result normal?

    YES 

    GO TO STEP 5  .

    NO 

    GO TO STEP 4  .

  4. CHECK CLIMATE CONTROLLED SEAT BLOWER MOTOR SPEED CONTROL SIGNAL CIRCUIT

    1. Turn ignition switch OFF.
    2. Disconnect climate controlled seat blower motor connector and climate controlled seat control unit connector.
    3. Check continuity between climate controlled seat blower motor harness connector and climate controlled seat control unit harness connector.
      Climate controlled seat blower motor Climate controlled seat control unit Continuity
      Connector Terminal Connector Terminal
      Driver side B213 3 B204 4 Yes
      Passenger side B307 B305
    4. Check continuity between climate controlled seatback blower motor harness connector and ground.
      Climate controlled seat blower motor Ground Continuity
      Connector Terminal
      Driver side B213 3 No
      Passenger side B307

    Is the inspection result normal?

    YES 

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

    NO 

    Repair or replace harness.

  5. CHECK CLIMATE CONTROLLED SEAT BLOWER MOTOR GROUND CIRCUIT

    1. Turn ignition switch OFF.
    2. Disconnect climate controlled seat blower motor and climate controlled seat control unit connector.
    3. Check continuity between climate controlled seat blower motor harness connector and climate controlled seat control unit harness connector.
      Climate controlled seat blower motor Climate controlled seat control unit Continuity
      Connector Terminal Connector Terminal
      Driver side B213 4 B204 20 Yes
      Passenger side B307 B305
    4. Check continuity between climate controlled seatback blower motor harness connector and ground.
      Climate controlled seat blower motor Ground Continuity
      Connector Terminal
      Driver side B213 4 No
      Passenger side B307

    Is the inspection result normal?

    YES 

    Replace climate controlled seat blower motor. Refer to BLOWER MOTOR .

    NO 

    Repair or replace harness.

scientia non olet · About LEMON Manuals