LEMON Manuals: Even more car manuals for everyone
Home >> Infiniti >> 2018 >> Q70 5.6 Luxe, RWD >> Repair and Diagnosis >> Body & Frame >> Seats >> Seats (Circuit Diagnosis) (Except Hybrid) >> Circuit Diagnosis >> Power Supply And Ground Circuit >> Diagnosis Procedure >> Passenger side

Passenger side

  1. CHECK FUSE 

    Check that the following fuses are not blown (open).

    Signal name

    Fuse No.

    Ignition power supply

    3 (10 A)

    Battery power supply

    62 (15 A)

    Is the fuse blown (open)?

    YES

    Replace the blown (open) fuse after repairing the affected circuit.

    NO

    GO TO 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

      B663

      55

      Ground

      Battery voltage

    Is the inspection result normal?

    YES

    GO TO 3.

    NO

    GO TO 4.

  3. 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

      B663

      58

      Existed

    Is the inspection result normal?

    YES

    INSPECTION END

    NO

    Repair harness or connector.

  4. 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

      B663

      55

      M61

      3

      Existed

    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

      B663

      55

      Not existed

    Is the inspection result normal?

    YES

    GO TO 5.

    NO

    Repair or replace harness.

  5. CHECK CLIMATE CONTROLLED SEAT RELAY POWER SUPPLY 
    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

      M61

      2

      Ground

      Battery voltage

      5

    Is the inspection result normal?

    YES

    GO TO 6.

    NO

    Repair or replace harness.

  6. 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

      M61

      1

      Existed

    Is the inspection result normal?

    YES

    GO TO 7.

    NO

    Repair or replace harness.

  7. CHECK CLIMATE CONTROLLED SEAT RELAY 

    Check climate controlled seat relay.

    Refer to Component Inspection .

    Is the inspection result normal?

    YES

    GO TO 8.

    NO

    Replace climate controlled seat relay.

  8. CHECK INTERMITTENT INCIDENT 

    Refer to Intermittent Incident .

    INSPECTION END