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:

Eps branch line circuit
Diagnosis procedure 1.Check connector Turn the ignition switch off. Disconnect the battery cable from the negative terminal. Check the terminals and connectors of the eps control unit for damage, bend and loose connection (unit side and connector side). Is the inspection result norm ...

Rear seat
Exploded View Rear seatback assembly (rh) Seatback striker Seatback latch release knob Seatback latch assembly Seatback silencer (RH) Rear seatback frame (rh) Seatback latch release knob finisher Rear seat bolster trim (RH) Rear seat bolster pad (RH) Rear seat bolster (rh) ...

P1212 TCS Communication line
Description This CAN communication line is used to control the smooth engine operation during the TCS operation. Pulse signals are exchanged between ECM and вЂњABS actuator and electric unit (control unit)вЂќ. Be sure to erase the malfunction information such as DTC not only for вЂ� ...