FixVault

Preliminary Check

  1. Check Brake Fluid Level 

    Check brake fluid level in reservoir tank. 

    Low fluid level may indicate brake pad wear or leakage from brake line.

    Fig 1: Checking Brake Fluid Level In Reservoir Tank
    G00793182Courtesy of NISSAN MOTOR CO., U.S.A.

    Is brake fluid filled between MAX and MIN lines on reservoir tank and/or has brake fluid been contaminated? 

    Yes: GO TO 2.

    No: Repair. GO TO 2.

  2. Check Brake Line 

    Check brake line for leakage.

    Fig 2: Checking Brake Line For Leakage
    G00793183Courtesy of NISSAN MOTOR CO., U.S.A.

    Is leakage present at or around brake lines, tubes or hoses or are any of these parts cracked or damaged? 

    Yes: GO TO 3.

    No: Repair. GO TO 3.

  3. Check Brake Booster Operation 

    Check brake booster for operation and air tightness. See BRAKE BOOSTER

    Fig 3: Checking Brake Booster Operation & Air Tightness
    G00793184Courtesy of NISSAN MOTOR CO., U.S.A.

    Is brake booster airtight and functioning properly? 

    Yes: GO TO 4.

    No: Replace. GO TO 4.

  4. Check Brake Pad And Rotor 

    Check brake pad and rotor. See FRONT & REAR DISC PADS

    Fig 4: Checking Brake Pad & Rotor
    G00793185Courtesy of NISSAN MOTOR CO., U.S.A.
    1. Are brake pads and rotors functioning properly? 

    Yes: GO TO 5.

    No: Replace.

  5. Recheck Brake Fluid Level 

    Check brake fluid level in reservoir tank again.

    Fig 5: Checking Brake Fluid Level In Reservoir Tank
    G00793186Courtesy of NISSAN MOTOR CO., U.S.A.

    Is brake fluid filled between MAX and MIN lines on reservoir tank and/or has brake fluid been contaminated? 

    Yes: GO TO 6.

    No: Fill up brake fluid.

  6. Check Warning Lamp Activation 

    Check warning lamp activation.

    Fig 6: Checking Warning Lamp Activation
    G00793187Courtesy of NISSAN MOTOR CO., U.S.A.

    Does warning lamp turn on when ignition switch is turned "ON"? 

    Yes: GO TO 7.

    No: Check fuse, warning lamp bulb and warning lamp circuit.

  7. Check Warning Lamp Deactivation 

    Check warning lamp for deactivation after engine is started.

    Does warning lamp turn off when engine is started? 

    Yes: GO TO 8.

    No: Go to Self-diagnosis. Refer to SELF-DIAGNOSIS PROCEDURE  .

  8. Drive Vehicle 

    Drive vehicle at speeds over 30 km/h (19 MPH) or more for at least one minute.

    Does warning lamp remain off after vehicle has been driven at 30 km/h (19 MPH) or more for at least one minute? 

    Yes: END

    No: Go to Self-diagnosis. Refer to SELF-DIAGNOSIS PROCEDURE  .