Nissan Juke Service and Repair Manual : Unexpected brake pedal reaction

Description

A malfunction of brake pedal feel (height or others) is detected when brake pedal is depressed.

Diagnosis Procedure

1.CHECK FRONT AND REAR AXLE

Check that there is no excessive looseness in front and rear axle.

• Front axle: Refer to FAX-41, "Inspection".

• Rear axle: Refer to RAX-4, "Inspection" Is the inspection result normal? YES >> GO TO 2.

NO >> Repair or replace error-detected parts.

2.CHECK DISC ROTOR

Check disc rotor runout.

• Front
- LHD: Refer to BR-16, "DISC ROTOR : Inspection and Adjustment".

- RHD: Refer to BR-84, "DISC ROTOR : Inspection and Adjustment".

• Rear
- LHD: Refer to BR-18, "DISC ROTOR : Inspection and Adjustment".

- RHD: Refer to BR-86, "DISC ROTOR : Inspection and Adjustment".

Is the inspection result normal? YES >> GO TO 3.

NO >> Refinish disc rotor.

• Front
- LHD: Refer to BR-16, "DISC ROTOR : Inspection and Adjustment".

- RHD: Refer to BR-84, "DISC ROTOR : Inspection and Adjustment".

• Rear
- LHD: Refer to BR-18, "DISC ROTOR : Inspection and Adjustment".

- RHD: Refer to BR-86, "DISC ROTOR : Inspection and Adjustment".

3.CHECK BRAKE FLUID LEACKAGE

Check fluid leakage.

• Front
- LHD: Refer to BR-30, "FRONT : Inspection".

- RHD: Refer to BR-97, "FRONT : Inspection".

• Rear
- LHD: Refer to BR-39, "REAR : Inspection".

- RHD: Refer to BR-105, "REAR : Inspection".

Is the inspection result normal? YES >> GO TO 4.

NO >> Repair or replace error-detected parts.

4.CHECK BRAKE PEDAL

Check each item of brake pedal.

• LHD: Refer to BR-9, "Inspection and Adjustment".

• RHD: Refer to BR-77, "Inspection and Adjustment".

Is the inspection result normal? YES >> GO TO 5.

NO >> Adjust each item of brake pedal.

• LHD: Refer to BR-9, "Inspection and Adjustment".

• RHD: Refer to BR-77, "Inspection and Adjustment".

5.CHECK BRAKING FORCE

Check brake force using a brake tester.

Is the inspection result normal? YES >> GO TO 6.

NO >> Check each components of brake system.

6.CHECK BRAKE PERFORMANCE

Disconnect ABS actuator and electric unit (control unit) connector so that ABS does not operate. Check that brake force is normal in this condition. Connect harness connectors after checking.

Is the inspection result normal? YES >> Normal

NO >> Check each components of brake system.

    Excessive operation frequency
    Description ABS function and EBD function operates in excessive operation frequency. Diagnosis Procedure 1.CHECK BRAKING FORCE Check brake force using a brake tester. Is the inspection result n ...

    The braking distance is long
    Description Brake stopping distance is long when ABS function is operated. Diagnosis Procedure CAUTION: Brake stopping distance on slippery road like rough road, gravel road or snowy road may be ...

    Other materials:

    Air cleaner and air duct
    Exploded View 1. Mass air flow sensor 2. Gasket 3. Clamp 4. Air duct (suction side) 5. Clamp 6. Air cleaner cover assembly 7. Mounting rubber 8. Air cleaner filter 9. Air cleaner body assembly 10. Air duct with resonator 11. Grommet 12. Air duct (duct side) 13. Grommet 14. B ...

    Filament
    Inspection and Repair INSPECTION 1. When measuring voltage, wrap tin foil around the top of the negative probe. Then press the foil against the wire with your finger. 2. Attach probe circuit tester (in Volt range) to middle portion of each filament. 3. If a filament is burned out, circuit ...

    B2615 blower relay circuit
    DTC Logic DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1.PERFORM DTC CONFIRMATION PROCEDURE 1. Turn ignition switch ON under the following conditions, and wait for 1 second or more. CVT models - Selector lever is in the P or N position - Do not depress brake pedal M/T models - Do no ...