Inspection Procedure

Check self-diagnosis results.

Is above displayed on the self-diagnosis display? 

YES: GO TO  2.

NO: INSPECTION END

1. Turn ignition switch OFF and disconnect stop lamp switch connector E124 and ABS actuator and electric unit (control unit) connector E30, check terminal for deformation, disconnection, looseness, and so on. If any malfunction is found, repair or replace terminal.
2. Reconnect connectors securely.
3. Start engine.
4. Repeat pumping brake pedal carefully several times, and perform self-diagnosis.

   OK or NG 

   OK: INSPECTION END

   NG: GO TO  3.

1. Turn ignition switch OFF and disconnect ABS actuator and electric unit (control unit) connector E30.
2. Check voltage between ABS actuator and electric unit (control unit) harness connector E30 terminal 30 and ground.
   VOLTAGE SPECIFICATION
   
   

   ABS actuator and electric unit (control unit)	Ground	Condition	Voltage
   30	-	Brake pedal depressed	Battery voltage (Approx. 12 V)
   		Brake pedal not depressed	Approx. 0 V

   Fig 1: Checking Voltage Between ABS Actuator And Electric Unit Terminal Side Harness Connector E30 Terminal 30 And Ground

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

   OK or NG 

   OK: Perform self-diagnosis.

   NG:

   • Repair or replace stop lamp switch circuit.
   • Perform the self-diagnosis, and make sure that the result shows "NO DTC IS DETECTED".