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Home >> Infiniti >> 2007 >> M35 Base >> Repair and Diagnosis >> Body & Frame >> Seats >> Climate Controlled Seat >> Check Climate Controlled Seat Control Unit Power Supply Circuit

Check Climate Controlled Seat Control Unit Power Supply Circuit

  1. CHECK FUSE 

    Check 10A fuse [No. 12, located in fuse block (J/B)]

    NOTE: Refer to "COMPONENT PARTS AND HARNESS CONNECTOR LOCATION ".

    OK or NG 

    OK: GO TO 2.

    NG: If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse, refer to "POWER SUPPLY ROUTING CIRCUIT ".

  2. CHECK CLIMATE CONTROLLED SEAT RELAY POWER SUPPLY CIRCUIT 
    1. Disconnect climate controlled seat relay connector.
    2. Turn ignition switch ON.
    3. Check voltage between climate controlled seat relay harness connector and ground.
      VOLTAGE SPECIFICATION

      Terminal Voltage (V) (Approx.)
      (+) (-)
      Climate controlled seat relay connector Terminal
      E16 2 Ground Battery voltage

    OK or NG 

    OK: GO TO 3.

    NG: Repair or replace harness between fuse block (J/B) and climate controlled seat relay.

    Fig 1: Checking Voltage Between Climate Controlled Seat Relay Harness Connector And Ground
    G05213051
  3. CHECK CLIMATE CONTROLLED SEAT RELAY 

    Check continuity climate controlled seat relay.

    CONTINUITY SPECIFICATION

    Climate controlled seat relay connector Terminal Condition Continuity
    E16 3 5 12V direct current supply between terminals 1 and 2 Yes
    No current supply No
    6 7 12V direct current supply between terminals 1 and 2 Yes
    No current supply No
    Fig 2: Identifying Climate Controlled Seat Relay Connector Terminal
    G04877433

    OK or NG 

    OK: GO TO 4.

    NG: Replace climate controlled seat relay.

  4. CHECK CLIMATE CONTROLLED SEAT RELAY GROUND CIRCUIT 
    1. Turn ignition switch OFF.
    2. Check continuity between climate controlled seat relay connector and ground.
      CONTINUITY SPECIFICATION

      Terminal Continuity
      Climate controlled seat relay connector Terminal Ground
      E16 1 Yes

    OK or NG 

    OK: Check the condition of the harness and connector.

    NG: Repair or replace harness between climate controlled seat relay and ground.

    Fig 3: Checking Continuity Between Climate Controlled Seat Relay Connector And Ground
    G05213053
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