Inspection Procedure

WARNING: This page is about a different car, the 2006 Infiniti G35. However, it is still accessible from the selected car via links, so may be relevant.

CHECK SELF-DIAGNOSTIC RESULTS
Check the self-diagnostic results.
SELF-DIAGNOSTIC RESULTS TABLE

Self-diagnostic results

PRESS SEN CIRCUIT

Is above displayed on self-diagnosis display?

YES: GO TO 2.

NO: INSPECTION END
CHECK CONNECTOR
1. Turn ignition switch OFF and disconnect VDC actuator (pressure sensor) connector and VDC/TCS/ABS control unit connector. Then reconnect them securely.
2. Perform VDC/TCS/ABS control unit self-diagnosis again.
OK or NG

OK: Poor connection of connectors. Repair or replace suspect connector. Perform self-diagnosis again.

NO: GO TO 3.

Self-diagnostic results
PRESS SEN CIRCUIT

CHECK PRESSURE SENSOR CIRCUIT

Turn ignition switch OFF and disconnect VDC actuator (pressure sensor) connector and VDC/TCS/ABS control unit connector.

Check continuity between VDC/TCS/ABS control unit harness connector M93 and VDC actuator (pressure sensor) harness connector E50.

PRESSURE SENSOR CIRCUIT - CONTINUITY TABLE

VDC/TCS/ABS control unit	Pressure sensor	Continuity
69	30	Yes
68	31
67	32

Fig 1: Checking Continuity Between VDC/TCS/ABS And VDC Actuator (Pressure Sensor) Connector Terminals

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

OK or NG

OK: GO TO 4.

NG: Open or short in harness. Repair or replace the suspect harness.

CHECK PRESSURE SENSOR

Connect VDC actuator (pressure sensor) connector and VDC/TCS/ABS control unit connector.

Check pressure sensor value on "DATA MONITOR".

PRESSURE SENSOR

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

OK or NG

OK: Perform VDC/TCS/ABS control unit self-diagnosis again.

NG: Pressure sensor malfunction. Replace VDC actuator (inside pressure sensor).