Nissan Maxima Service and Repair Manual: Power supply and ground circuit

Nissan Maxima Service and Repair Manual / Body interior / Seat / DTC/circuit diagnosis / Power supply and ground circuit

CLIMATE CONTROLLED SEAT CONTROL UNIT

CLIMATE CONTROLLED SEAT CONTROL UNIT : Diagnosis Procedure

Regarding Wiring Diagram information, refer to SE-44, "Wiring Diagram".

1.CHECK FUSES

2.CHECK BATTERY POWER SUPPLY CIRCUIT

  1. Turn ignition switch OFF.
  2. Disconnect climate controlled seat control unit connector B217.
  3. Check voltage between climate controlled seat control unit connector B217 terminal 29 and ground.

 

3.CHECK IGNITION POWER SUPPLY CIRCUIT

  1. Disconnect climate controlled seat control unit connector B216.
  2. Check voltage between climate controlled seat control unit connector B216 terminal 21 and ground.

 

4.CHECK GROUND CIRCUIT

  1. Turn ignition switch OFF.
  2. Check continuity between climate controlled seat control unit connector B217 terminal 30 and ground.

5.CHECK CLIMATE CONTROLLED SEAT RELAY

Perform the climate controlled seat relay component inspection. Refer to SE-10, "CLIMATE CONTROLLED SEAT CONTROL UNIT : Component Inspection (Climate Controlled Seat Relay)".

6.CHECK CIRCUIT BREAKER POWER SUPPLY CIRCUIT

  1. Disconnect the circuit breaker connector M84.
  2. Check voltage between circuit breaker connector M84 terminal 1 and ground.

7.CHECK BATTERY POWER SUPPLY CIRCUIT FOR OPEN

Check continuity between circuit breaker connector M84 (A) terminal 2 and climate controlled seat control unit connector B217 (B) terminal 29.

8.CHECK CLIMATE CONTROLLED SEAT RELAY BATTERY POWER SUPPLY CIRCUIT

  1. Disconnect climate controlled seat relay connector.
  2. Check voltage between climate controlled seat relay connector M58 terminal 3 and ground.

9.CHECK CLIMATE CONTROLLED SEAT RELAY IGNITION POWER SUPPLY CIRCUIT

Check voltage between climate controlled seat relay connector M58 terminal 2 and ground.

10.CHECK IGNITION POWER SUPPLY CIRCUIT FOR OPEN

Check continuity between climate controlled seat relay connector M58 (A) terminal 5 and climate controlled seat control unit connector B216 (B) terminal 21.

11.CHECK CLIMATE CONTROLLED SEAT RELAY GROUND CIRCUIT

Check continuity between climate controlled seat relay connector M58 terminal 1 and ground.

CLIMATE CONTROLLED SEAT CONTROL UNIT : Component Inspection (Climate Controlled Seat Relay)

1.CHECK CLIMATE CONTROLLED SEAT RELAY

  1. Apply battery voltage between terminals 2 and 1 of the climate controlled seat relay. CAUTION: Connect a fuse between the terminals when applying battery voltage.
  2. Check continuity between climate controlled seat relay terminals 5 and 3.

    DTC/circuit diagnosis
    ...

    Climate controlled seat blower motor
    Description Sends airflow to the seat cushion and seatback. Component Function Check 1.CHECK CLIMATE CONTROLLED SEAT BLOWER MOTOR FUNCTION Turn the climate controlled seat switch to the H (Heat) L ...

    Other materials:

    Thermostat and thermostat housing
    Removal and Installation Gasket Thermostat assembly (water inlet) WARNING: Do not remove the radiator cap when the engine is hot. Serious burns could occur from high pressure engine coolant escaping from the radiator. Wrap a thick cloth around the radiator cap. Slowly turn it a ...

    Precaution
    PRECAUTIONS Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER" The Supplemental Restraint System such as "AIR BAG" and "SEAT BELT PRE-TENSIONER", used along with a front seat belt, helps to reduce the risk or severity of injury to ...

    Towing a trailer
    Flat towing Towing your vehicle with all four wheels on the ground is sometimes called flat towing. This method is sometimes used when towing a vehicle behind a recreational vehicle, such as a motor home. CAUTION Failure to follow these guidelines can result in severe transmission damage ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

    © 2017-2025 Copyright www.nimainfo.com
    0.0153