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
- MR16DDT: Refer to FAX-9, "Inspection".

- HR16DE: Refer to FAX-41, "Inspection".

- K9K: Refer to FAX-66, "Inspection".

• Rear axle
- 2WD: Refer to RAX-4, "Inspection".

- 4WD: Refer to RAX-12, "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 ESP function, TCS function, ABS function, EBD function and brake limited slip differential (BLSD) function operates in excessive operation frequency. Diagnosis Procedure 1.CHECK BRAK ...

    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:

    Diagnosis system (BCM) (with intelligent key system)
    Common item : consult-III Function (BCM - common item) APPLICATION ITEM CONSULT-III performs the following functions via CAN communication with BCM. SYSTEM APPLICATION BCM can perform the following functions for each system. NOTE: It can perform the diagnosis modes except the following for ...

    Battery
    Exploded View 1 : Battery fix frame :N·m (kg-m, in-lb) Removal and Installation REMOVAL 1. Disconnect the battery cable from the negative terminal. CAUTION: When disconnecting, disconnect the battery cable from the negative terminal first. 2. Remove cover of battery positive termin ...

    Precaution for Brake System
    WARNING: Clean any dust from the front brake and rear brake with a vacuum dust collector. Never blow with compressed air. • Brake fluid use refer to MA-13, "Fluids and Lubricants". • Never reuse drained brake fluid. • Never spill or splash brake fluid on painted surfaces. Brake flui ...