Nissan Maxima Service and Repair Manual: Lifting switch (front)

Nissan Maxima Service and Repair Manual / Body interior / Automatic drive positioner / DTC/circuit diagnosis / Lifting switch (front)

Description

Lifting switch (front) is equipped to the power seat switch LH on the seat frame. The operation signal is input to the driver seat control unit when the lifting switch (front) is operated.

Component Function Check

1. CHECK FUNCTION

  1. Select "LIFT FR SW-UP", "LIFT FR SW-DN" in "DATA MONITOR" mode with CONSULT.
  2. Check lifting switch (front) signal under the following conditions.

Nissan Maxima. CHECK FUNCTION

Diagnosis Procedure

Regarding Wiring Diagram information, refer to ADP-150, "Wiring Diagram".

1. CHECK LIFTING SWITCH SIGNAL

  1. Turn ignition switch OFF.
  2. Check voltage between driver seat control unit harness connector and ground.

Nissan Maxima. CHECK LIFTING SWITCH SIGNAL

2. CHECK LIFTING SWITCH (FRONT) CIRCUIT

  1. Turn ignition switch OFF.
  2. Disconnect driver seat control unit and power seat switch LH.
  3. Check continuity between driver seat control unit harness connector and power seat switch LH harness connector. 

Nissan Maxima. CHECK LIFTING SWITCH (FRONT) CIRCUIT

  1. Check continuity between driver seat contro unit harness connector and ground.

3. CHECK DRIVER SEAT CONTROL UNIT OUTPUT

  1. Connect the driver seat control unit.
  2. Turn ignition switch ON.
  3. Check voltage between driver seat control unit harness connector and ground. 

 Nissan Maxima. CHECK DRIVER SEAT CONTROL UNIT OUTPUT

4. CHECK LIFTING SWITCH (FRONT)

Refer to ADP-55, "Component Inspection".

5. CHECK INTERMITTENT INCIDENT

Refer to GI-41, "Intermittent Incident".

Component Inspection

1. CHECK LIFTING SWITCH (FRONT)

  1. Turn ignition switch OFF.
  2. Disconnect power seat switch LH.
  3. Check continuity between power seat switch LH terminals.

Nissan Maxima. CHECK LIFTING SWITCH (FRONT)

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