Nissan Sentra Service Manual: Excessive abs function operation frequency
Diagnosis Procedure
1.CHECK START
Check front and rear brake force distribution using a brake tester.
Is the inspection result normal? YES >> GO TO 2 NO >> Check brake system.
2.CHECK FRONT AND REAR AXLE
Make sure that there is no excessive play in the front and rear axles. Refer to front: FAX-6, "Inspection", rear: RAX-5, "Inspection".
Is the inspection result normal? YES >> GO TO 3
NO >> Repair or replace malfunctioning components.
3.CHECK WHEEL SENSOR AND SENSOR ROTOR
Check the following:
-
Wheel sensor installation for damage
-
Sensor rotor installation for damage
-
Wheel sensor connector
-
Wheel sensor harness
Is the inspection result normal? YES >> GO TO 4 NO >> • Replace wheel sensor BRC-106, "FRONT WHEEL SENSOR : Removal and Installation" or BRC-107, "REAR WHEEL SENSOR : Removal and Installation".
• Replace sensor rotor BRC-109, "FRONT SENSOR ROTOR : Removal and Installation" or BRC- 109, "REAR SENSOR ROTOR : Removal and Installation".
• Repair harness.
4.CHECK ABS WARNING LAMP DISPLAY
Make sure that the ABS warning lamp is turned off after the ignition switch is turned ON or when driving.
Is the inspection result normal? YES >> Inspection End.
NO >> Perform self diagnostic result. Refer to BRC-31, "CONSULT Function (ABS)".
VDC/TCS/ABS
Symptom Table
If ABS warning lamp and SLIP indicator lamp turn ON, perform
self-diagnosis.
NOTE:
1: The ABS does not operate when the speed is 10 km/h
(6 MPH) or less.
2: Under ...
Unexpected pedal reaction
Diagnosis Procedure
1.CHECK BRAKE PEDAL STROKE
Check brake pedal stroke. Refer to BR-15, "Adjustment".
Is the stroke too big?
YES >>
Bleed air from brake line and hose. Re ...
Other materials:
Additional service when replacing power window main switch
Description
When the power window main switch is replaced, the initialization is
necessary for normal operation of power
window system.
CAUTION:
The following specified operations can not be performed under the
non-initialized condition.
Auto-up operation
Anti-pinch function
Work Pr ...
NISSAN vehicle immobilizer system
The NISSAN Vehicle Immobilizer system will not
allow the engine to start without the use of the
registered key.
If the engine fails to start using a registered key
(for example, when interference is caused by
another registered key, an automated toll road
device or automatic payment device o ...
P1550 Battery current sensor
DTC Logic
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P1550
BAT CURRENT SENSOR
(Battery current sensor)
The output voltage of the battery current
sensor remains within the specified
r ...
