1. Check ASCD Brake Switch Circuit

With CONSULT-II 

See "BRAKE SW" in "DATA MONITOR" mode.

When brake pedal is depressed or A/T selector lever is in "N" or "P" range: 

BRAKE SW OFF 

When brake pedal is released and A/T selector lever is not in "N" or "P" range: 

BRAKE SW ON 

Fig 1: Brake Switch Operation in Data Monitor Display

Courtesy of NISSAN MOTOR CO., U.S.A.

Without CONSULT-II 

1. Disconnect ASCD control unit connector.
2. Turn ignition switch ON.
3. Check voltage between ASCD control unit harness connector M35 terminal 8 (GY/R) and ground.

   When brake pedal is depressed or A/T selector lever is in "N" or "P" range: 

   Approx. 0 V 

   When brake pedal is released and A/T selector lever is not in "N" or "P" range: 

   Battery voltage should exist  .

Fig 2: Checking ASCD Brake Switch Circuit

Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG 

1. OK: GO TO 2.
2. NG: Check the following.
   • ASCD brake switch

     Refer to ELECTRICAL COMPONENT INSPECTION  .

   • Park/neutral position switch

     Refer to PARK/NEUTRAL POSITION, MANUAL MODE, BRAKE AND THROTTLE POSITION SWITCH CIRCUIT .

   • Park/neutral position relay

     Refer to ELECTRICAL COMPONENT INSPECTION  .

   • Harness for open or short