Inspection Procedure

WARNING: This page is about a different car, the 2005 Nissan Xterra. However, it is still accessible from the selected car via links, so may be relevant.

SELF-DIAGNOSIS RESULT CHECK
Check self-diagnosis results.
SELF-DIAGNOSIS RESULTS

Self-diagnosis results

STOP LAMP SW

Is the above displayed in the self-diagnosis display items?
- YES: GO TO 2.
- NO: Inspection End.
CONNECTOR INSPECTION
1. Disconnect the ABS actuator and electric unit (control unit) connector E125 and stop lamp switch connector E38.
2. Check the terminals for deformation, disconnection, looseness or damage.
OK or NG
- OK: GO TO 3.
- NG: Repair or replace as necessary.
STOP LAMP SWITCH INSPECTION
Check the voltage between the ABS actuator and electric unit (control unit) harness connector E125 terminal 41 and body ground.

Brake pedal depressed: Battery voltage

(approx. 12V)

Brake pedal not depressed: Approx. 0V

OK or NG
- OK: Perform self-diagnosis again. If the same results appear, replace ABS actuator and electric unit (control unit). Refer to "REMOVAL AND INSTALLATION ".
- NG: GO TO 4.
  
  Fig 1: Checking Voltage Between ABS Actuator And Electric Unit (Control Unit) Harness Connector E125 Terminal 41 And Body Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
STOP LAMP RELAY CIRCUIT INSPECTION
1. Disconnect the stop lamp relay harness connector E12.
2. Check the continuity between the ABS actuator and electric unit (control unit) harness connector E125 terminal 41 and stop lamp relay harness connector E12 terminal 5.
  Continuity should exist.
OK or NG
- OK: Perform self-diagnosis again. If the same results appear, replace ABS actuator and electric unit (control unit). Refer to "REMOVAL AND INSTALLATION ".
- NG: Refer to "STOP LAMP ".
  
  Fig 2: Checking Continuity Between ABS Actuator And Electric Unit (Control Unit) Harness Connector E125 Terminal 41
  Courtesy of NISSAN MOTOR CO., U.S.A.