Inspection Procedure

With CONSULT-II 

1. Turn ignition switch "ON". (Do not start engine.)
2. Select "SELF-DIAG RESULTS" mode for "VDC" with CONSULT-II.
3. Touch "ERASE".
4. Turn ignition switch "OFF" and wait at least 10 seconds.
5. Check the self-diagnostic results.
   SELF-DIAGNOSIS RESULTS
   
   

   Self-diagnosis results
   PRESS SEN CIRCUIT

Is above displayed in self-diagnosis display? 

1. YES : GO TO 2.
2. NO : INSPECTION END

1. Turn ignition switch "OFF".
2. Disconnect VDC actuator connector E21 and VDC/TCS/ABS control unit connector E218, check terminals for deformation, disconnection, looseness, and so on. If any malfunction is found. Repair or replace terminal.
3. Reconnect connectors and then perform the self-diagnosis. Refer to "SELF-DIAG RESULT MODE ".

OK or NG 

1. OK : INSPECTION END.
2. NG : GO TO 3.

1. Turn ignition switch "OFF".
2. Disconnect VDC actuator connector and VDC/TCS/ABS control unit connector.
3. Check continuity between VDC/TCS/ABS control unit harness connector E218 and VDC actuator harness connector E21.
   Fig 1: Checking Continuity Between VDC/TCS/ABS Control Unit And VDC Actuator Connector

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

   69 - 30 : Continuity should exist. 

   68 - 31 : Continuity should exist. 

   67 - 32 : Continuity should exist. 

OK or NG 

1. OK : GO TO 4.
2. NG : Open or short in harness. Repair or replace the suspect harness.

1. Connect VDC actuator connector E21 and VDC/TCS/ABS control unit connector E218.
2. Check pressure sensor value on "DATA MONITOR".
   DATA MONITOR CONDITION TABLE
   
   

   Condition	Data monitor display
   Brake pedal depressed	Positive value
   When brake pedal is released	Approx. 0 bar

OK or NG 

1. OK : Perform VDC/TCS/ABS control unit self-diagnosis again.
2. NG : Pressure sensor malfunction. Replace VDC actuator (inside pressure sensor).