Inspection Procedure

Check self-diagnosis results.

Fig 1: Checking Self-Diagnosis Result - Solenoid Valve Relay System

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

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

YES >> GO TO 2.

NO >> Inspection End

1. Disconnect the VDC relay box connector E55, E56, E57 and VDC/TCS/ABS control unit connector and check the terminals for deformation, disconnection, looseness, and so on. If there is an error, repair or replace the terminal.
2. Securely reconnect the connectors and Re-conduct self-diagnosis.

OK or NG 

OK >> The connector terminal contact is loose, damaged, open or shorted.

NG >> GO TO 3.

1. Turn off the ignition switch and disconnect the VDC relay box connector E57.
2. Check the voltage between the VDC relay box harness connector E57 terminal 9(L/Y) and the ground.

Fig 2: Checking Solenoid Valve Relay Power System (1 Of 2)

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

Fig 3: Checking Solenoid Valve Relay Power System (2 Of 2)

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

OK or NG 

OK >> GO TO 4.

NG >> The circuit between the battery and relay unit terminal 9 is open or shorted. Repair the circuit.

1. Disconnect the VDC/TCS/ABS control unit connector and the VDC relay box connector E56 and the steering angle sensor connector.
2. Check the continuity between the VDC/TCS/ABS control unit connector E218 and the VDC relay box connector E56.

Fig 4: Checking Solenoid Valve Relay Harness (1 Of 2)

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

Fig 5: Checking Solenoid Valve Relay Harness (2 Of 2)

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

OK or NG 

OK >> GO TO 5.

NG >> Open or short in harness. Repair or replace the harness.

Independently check the VDC actuator relay. Refer to "VDC RELAY BOX ".

OK or NG 

OK >> Replace VDC actuator assembly.

NG >> Replace the VDC relay box.