Nissan Sentra Service Manual: Unexpected pedal reaction

Nissan Sentra Service Manual / Brakes / Brake control system / Symptom diagnosis / 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. Refer to BR-17, "Bleeding Brake System".
Check brake pedal, brake booster, and master cylinder for mount play, looseness, brake system fluid leakage, etc. Refer to brake pedal: BR-15, "Adjustment" or brake booster assembly BR-11, "Inspection".

NO >> GO TO 2

2.CHECK ABS FUNCTION

Disconnect ABS actuator and electric unit (control unit) connector to deactivate ABS.
Check if braking force is normal in this condition.
Reconnect connector after inspection.

Is the inspection result normal? YES >> Inspection End.

NO >> Check brake system.

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. ...

The braking distance is long

Diagnosis Procedure CAUTION: The stopping distance on slippery road surfaces might be longer with the ABS operating than when the ABS is not operating. 1.CHECK ABS FUNCTION Turn ignition ...

Other materials:

Front wiper auto stop signal circuit
Component function check 1. Check front wiper (auto stop) operation Consult data monitor Select вЂњWIP AUTO STOPвЂќ of IPDM E/R DATA MONITOR item. Operate the front wiper. With the front wiper operation, check the monitor status. Is the inspection result normal? YES >> ...

Front stabilizer
Exploded View Stabilizer bar Stabilizer clamp Stabilizer bushing Stabilizer connecting rod Front coil spring and strut Front suspension member Front Removal and Installation REMOVAL Remove the wheel and tire using power tool. Refer to WT-47, "Exploded View". ...

Latch system for children
Exploded View LATCH bracket (RH) LATCH bracket (LH) Seat belt buckle anchor bracket Front Removal and Installation REMOVAL Remove the rear seat cushion assembly. Refer to SE-23, "Removal and Installation - Seat Cushion Assembly" Remove the rear seatback assemb ...