1. Check ASCD Brake Switch Circuit

WARNING: This page is about a different car, the 2004 Nissan Frontier. However, it is still accessible from the selected car via links, so may be relevant.

Turn ignition switch OFF.
Disconnect ASCD control unit harness connector.
Check continuity between ASCD control unit harness connector M119 terminal 8 (L/Y) and terminal 5 (G/W).

Fig 1: Checking ASCD Brake Switch Circuit
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG

OK: GO TO 2 .
NG: Check the following.
- ASCD brake switch
  Refer to ASCD BRAKE/STOP LAMP SWITCH CHECK .
- Park/neutral position switch (A/T)
  Refer to PARK/NEUTRAL POSITION SWITCH (A/T) .
- Park/neutral position relay (A/T)
  Refer to ASCD RELAY (A/T) .
- ASCD clutch switch (M/T)
  Refer to ASCD CLUTCH SWITCH (M/T) .
- Harness for open or short
- ASCD control unit