Nissan Versa (N17): Unexpected pedal reaction

Nissan Versa 2nd generation (N17) Service Manual / Brakes / Brake control system (BRC) / Unexpected pedal reaction

Diagnosis Procedure

1.CHECK BRAKE PEDAL STROKE

Check brake pedal stroke. Refer to BR "Inspection and Adjustment".

Is the stroke too big?

YES >>

  • Bleed air from brake line and hose. Refer to BR "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 "Inspection and Adjustment" or brake booster assembly BR "Inspection".

NO >> GO TO 2

2.CHECK ABS FUNCTION

  1. Disconnect ABS actuator and electric unit (control unit) connector to deactivate ABS.
  2. Check if braking force is normal in this condition.
  3. 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.CHEC ...

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 s ...

Other materials:

Engine oil
Inspection ENGINE OIL LEVEL Park vehicle on a level surface, wait 10 minutes before checking the engine oil level. Pull out oil level gauge and wipe it clean. Insert oil level gauge and make sure the engine oil level is within the range (A) as shown. If it is out of range, adjust it. ...

Clutch pedal
Inspection and Adjustment 1.   Check to see if the master cylinder rod end moves freely. It should not be bound by the clutch pedal. a. If the rod end does not move freely, remove the rod end and check for deformation or damage on the rod end. Leave the rod end removed ...

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