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:
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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:
Power supply and ground circuit
Diagnosis Procedure
1.CHECK FUSE
Check that the following fuse is not fusing.
Is the fuse fusing?
YES >> Replace the fuse after repairing the applicable circuit.
NO >> GO TO 2.
2.CHECK GROUND CONNECTION
Turn ignition switch OFF
Check ground connection E9 and E15. Refer ...
Heated seats (if so equipped)
The front seats are warmed by built-in heaters.
Start the engine.
Push the LO or HI position of the switch, as
desired. The indicator light in the switch will
illuminate.
The heater is controlled by a thermostat,
automatically turning the heater on and off.
The indicator light ...
Interior trunk lid release
WARNINGClosely supervise children when they are
around cars to prevent them from playing
and becoming locked in the trunk where
they could be seriously injured. Keep the
car locked, with the rear seatback and
trunk lid securely latched when not in use,
and prevent childr ...
