Inspection Procedure

1. Check brake fluid level in brake reservoir tank. If brake fluid level is low, refill brake fluid.
2. Check self-diagnosis results.
   SELF-DIAGNOSIS CHECK RESULT CHART
   
   

   Self-diagnosis results
   BR FLUID LEVEL LOW

   Is above displayed on the self-diagnosis display? 

   YES: GO TO 2.

   NO: INSPECTION END

1. Turn ignition switch OFF and disconnect brake fluid level switch connector E23 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 connector and perform self-diagnosis.

   OK or NG 

   OK: INSPECTION END

   NG: GO TO 3.

1. Turn ignition switch OFF and disconnect brake fluid level switch connector E23.
2. Check continuity between brake fluid level switch connector E23 terminal 1 and 2.
   Fig 1: Checking Continuity Between Brake Fluid Level Switch Connector Terminal 1 And 2

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

OK or NG 

OK: GO TO 4.

NG:

• Brake fluid level switch is malfunctioning. Replace reservoir tank. Refer to "BRAKE MASTER CYLINDER ".
• Perform the self-diagnosis, and make sure that the result shows "NO DTC IS DETECTED".

1. Disconnect ABS actuator and electric unit (control unit) connector E30.
2. Check continuity between brake fluid level switch harness connector E23 and ABS actuator and electric unit (control unit) harness connector E30.

Fig 2: Checking Continuity Between Level Switch Harness Connector E23 And ABS Actuator Harness Connector E30

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

OK or NG 

OK: Connect connector securely and perform self-diagnosis.

NG:

• Repair or replace malfunctioning components.
• Perform the self-diagnosis, and make sure that the result shows "NO DTC IS DETECTED".