Inspection Procedure
- CHECK SELF-DIAGNOSIS RESULTS
- Check brake fluid level in brake reservoir tank. If brake fluid level is low, refill brake fluid.
- Check self-diagnosis results.SELF-DIAGNOSIS RESULTS REFERENCE
Self-diagnosis results BR FLUID LEVEL LOW Is above displayed on the self-diagnosis display?
YES: GO TO 2.
NO: INSPECTION END
- CHECK CONNECTOR
- Turn ignition switch OFF and disconnect brake fluid level switch connector E23 and combination meter connector M52, check terminal for deformation, disconnection, looseness, and so on. If any malfunction is found, repair or replace terminal.
- Reconnect connector and perform self-diagnosis.
OK or NG
OK: INSPECTION END
NG: GO TO 3.
- CHECK BRAKE FLUID LEVEL SWITCH
- Turn ignition switch OFF and disconnect brake fluid level switch connector E23.
- Check continuity between brake fluid level switch connector E23 terminal 1 and 2.CONTINUITY TABLE
Brake fluid level switch Condition Continuity 1, 2 When brake fluid is full in the reservoir tank No When brake fluid is empty in the reservoir tank Yes Fig 1: Checking Continuity Between Brake Fluid Level Switch Terminal Side Harness Connector E21 Terminal 1 And 2Courtesy 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".
- CHECK BRAKE FLUID LEVEL SWITCH HARNESS
- Disconnect combination meter connector M52.
- Check continuity between brake fluid level switch harness connector E23 and combination meter harness connector M52.CONTINUITY TABLE
Combination meter Brake fluid level switch Continuity 4 1 Yes Ground No Ground 2 Yes 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".