Nissan Maxima Service and Repair Manual: Climate controlled seat switch

Nissan Maxima Service and Repair Manual / Body interior / Seat / DTC/circuit diagnosis / Climate controlled seat switch

Description

Provides inputs to the climate controlled seat control unit for climate controlled seat operation.

Component Function Check

1.CHECK CLIMATE CONTROLLED SEAT SWITCH FUNCTION

Turn the climate controlled seat switch to the H (Heat) LO, MED, and HI positions and the C (Cool) LO, MED, and HI positions. Check that the climate controlled seat operates at low, medium and high heat, and low, medium and high cool.

Diagnosis Procedure

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

1.CHECK CLIMATE CONTROLLED SEAT SWITCH

Perform climate controlled seat switch component inspection. Refer to SE-21, "Component Inspection (Climate Controlled Seat Switch)".

2.CHECK CLIMATE CONTROLLED SEAT SWITCH POWER SUPPLY CIRCUIT

  1. Turn ignition switch OFF.
  2. Disconnect climate controlled seat switch connector and climate controlled seat control unit connector B216.
  3. Check continuity between climate controlled seat switch connector M302 (A) terminal 1 and climate controlled seat control unit connector B216 (B) terminal 24.

 

4. Check continuity between climate controlled seat switch connector M302 (A) terminal 1 and ground.

3.CHECK CLIMATE CONTROLLED SEAT SWITCH COOL CIRCUIT

  1. Disconnect climate controlled seat control unit connector B212.
  2. Check continuity between climate controlled seat switch connector M302 (A) terminal 2 and climate controlled seat control unit connector B212 (B) terminal 9.

 

3. Check continuity between climate controlled seat switch connector M302 (A) terminal 2 and ground.

4.CHECK CLIMATE CONTROLLED SEAT SWITCH HEAT CIRCUIT

1. Check continuity between climate controlled seat switch connector M302 (A) terminal 3 and climate controlled seat control unit connector B212 (B) terminal 1.

 

2. Check continuity between climate controlled seat switch connector M302 (A) terminal 3 and ground.

Component Inspection (Climate Controlled Seat Switch)

1.CHECK CLIMATE CONTROLLED SEAT SWITCH

  1. Disconnect climate controlled seat switch connector.
  2. Check continuity between climate controlled seat switch terminals.

    Seatback thermal electric device

    Climate controlled seat switch indicator