Nissan Maxima Service and Repair Manual: VDC off switch

Nissan Maxima Service and Repair Manual / Brakes / Brake control system / DTC/circuit diagnosis / VDC off switch

Description

VDC OFF switch deactivates (turn OFF) the VDC/TCS function when the VDC OFF switch is pressed.

Component Function Check

1.CHECK VDC OFF SWITCH OPERATION

Operate the VDC OFF switch and check that the VDC OFF indicator lamp in the combination meter turns on/ off correctly.

Nissan Maxima. CHECK VDC OFF SWITCH OPERATION

Diagnosis Procedure

1.CHECK VDC OFF SWITCH

Perform VDC OFF switch component inspection

2.CHECK VDC OFF SWITCH HARNESS

Nissan Maxima. CHECK VDC OFF SWITCH HARNESS

  1. Disconnect ABS actuator and electric unit (control unit) connector.
  2. Check continuity between ABS actuator and electric unit (control unit) connector E26 (A) terminal 21 and VDC OFF switch connector M72 (B) terminal 1.
  3. Check continuity between ABS actuator and electric unit (control unit) connector E26 (A) terminal 21 and ground.

Nissan Maxima. CHECK VDC OFF SWITCH HARNESS

Nissan Maxima. CHECK VDC OFF SWITCH HARNESS

3.CHECK VDC OFF SWITCH GROUND

Nissan Maxima. CHECK VDC OFF SWITCH GROUND

Check continuity between VDC OFF switch connector M72 terminal 2 and ground.

Nissan Maxima. CHECK VDC OFF SWITCH GROUND

Component Inspection

1.CHECK VDC OFF SWITCH

Nissan Maxima. CHECK VDC OFF SWITCH

  1. Turn ignition switch OFF.
  2. Disconnect VDC OFF switch connector.
  3. Check continuity between VDC OFF switch terminals

Nissan Maxima. CHECK VDC OFF SWITCH

    Parking brake switch

    ABS warning lamp