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:

    Trouble diagnosis - specification valuE
    Description The specification (SP) value indicates the tolerance of the value that is displayed in “SPEC” of “DATA MONITOR” mode of CONSULT-III during normal operation of the Engine Control System. When the value in “SPEC” of “DATA MONITOR” mode is within the SP value, the Engine Control Syst ...

    B1129 side air bag module RH
    DTC Logic DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1.CHECK SELF-DIAG RESULT With CONSULT-III 1. Turn ignition switch ON. 2. Perform “Self Diagnostic Result” mode of “AIR BAG” using CONSULT-III. Without CONSULT-III 1. Turn ignition switch ON. 2. Check the air bag warning lamp statu ...

    Diagnosis system (IPDM E/R) (without intelligent key system)
    Diagnosis Description AUTO ACTIVE TEST Description In auto active test mode, the IPDM E/R sends a drive signal to the following systems to check their operation. • Oil pressure warning lamp (only for K9K engine models) • Rear window defogger • Front wiper motor • Parking lamp • License p ...