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:
P1723 speed sensor
Description
The secondary speed sensor detects the revolution of parking gear and
generates a pulse signal. The pulse
signal is sent to the TCM, which converts it into vehicle speed.
The prymary speed sensor detects the primary pulley revolution speed and sends a
signal to the TCM.
DTC Log ...
B1202, B1203, B1204, B1205, B1206, B1207 diagnosis sensor unit
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 ...
Unlock sensor
Component Function Check
1.CHECK FUNCTION
1. Select “DOOR LOCK” of “BCM” using CONSULT-III.
2. Select “LOCK STATUS” in “DATA MONITOR” mode.
3. Check that the function operates normally according to the following
conditions.
Is the inspection result normal?
YES >> Unlock sensor is OK. ...