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:
System
Can communication system
CAN COMMUNICATION SYSTEM : System Diagram
CAN COMMUNICATION SYSTEM : System Description
Description
• CAN (Controller Area Network) is a serial communication line for real time
application. It is an on-vehicle
multiplex communication line with high data communicatio ...
Diagnosis system (TCM)
Diagnosis description : 1 Trip Detection Diagnosis and 2 Trip Detection
Diagnosis
NOTE:
“Start the engine and turn OFF the ignition switch after warm-up.” This is
defined as 1 trip.
1 TRIP DETECTION DIAGNOSIS
When initial malfunction is detected, TCM memorizes DTC. In these diagnoses,
so ...
B1024 pass A/B deact SW
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.CHECK SELF-DIAGNOSTIC 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 ...