Inspection Procedure

Check self-diagnosis results.

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

Fig 1: Checking Self-Diagnosis Result - Stop Lamp Switch System

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

YES >> GO TO 2.

NO >> Inspection End

1. Disconnect the stop lamp switch connector 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.
3. Start engine.
4. Repeat pumping brake pedal carefully several times, then perform self- diagnosis again.

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/TCS/ABS control unit connector.
2. Check the voltage between the VDC/TCS/ABS control unit harness connector E218 terminal 48 (R/W) and the ground.

   48 (R/W) - Ground 

   Brake pedal depressed: 

   Battery voltage (approx. 12V) 

   Brake pedal not depressed : Approx. 0V 

Fig 2: Checking Stop Lamp Switch

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

OK or NG 

OK >> Connect the connectors and conduct a VDC/TCS/ABS control unit self- diagnosis.

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