Active Booster System Inspection

INSPECTION PROCEDURE

1. DISPLAY SELF DIAGNOSIS RESULTS 

   Check self-diagnosis results.

   ACTIVE BOOSTER SYSTEM - SELF-DIAGNOSIS RESULTS
   
   

   Self-diagnosis results
   ACTIVE BOOSTER SOLENOID NG
   ACTIVE BOOSTER RESPONSE NG
   BRAKE RELEASE SW NG
   BRAKE BOOSTER DEFECT

   Is the above displayed in the self-diagnosis display items? 

   YES or NO 

   1. YES: GO TO 2.
   2. NO: Inspection End.
2. CONNECTOR INSPECTION 
   1. Turn the ignition switch OFF.
   2. Disconnect the active booster connector E49 and ABS actuator and electric unit (control unit) connector E125 and inspect the terminals for deformation, disconnection, looseness, or damage.

   OK or NG 

   1. OK: GO TO 3.
   2. NG: Repair connector.
3. ACTIVE BOOSTER CIRCUIT INSPECTION 
   1. Measure the continuity between the ABS actuator and electric unit (control unit) connector E125 and active booster connector E49.
      Fig 1: ABS Actuator And Electric Unit Connector E125 And Active Booster Connector E49, Continuity Specifications

      Courtesy of NISSAN MOTOR CO., U.S.A.
   2. Measure the continuity between the ABS actuator and electric unit (control unit) connector E125 and body ground.
      Fig 2: ABS Actuator And Electric Unit Connector E125 And Body Ground Continuity Specifications

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

   OK or NG 

   1. OK: GO TO 4.
   2. NG: Repair or replace harness or connector.
4. ACTIVE BOOSTER SENSOR INSPECTION 
   1. Reconnect the active booster and ABS actuator and electric unit (control unit) connectors.
   2. Use "DATA MONITOR" to check if the status of "RELEASE SW NO" and "RELEASE SW NC" is normal.
      Fig 3: Identifying "RELEASE SW NO" And "RELEASE SW NC"

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

   OK or NG 

   1. OK: Inspection End.
   2. NG: Replace active booster.