Nissan Versa (N17): 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:

Vehicle Dynamic Control (VDC) off switch
The vehicle should be driven with the VDC system on for most driving conditions. If the vehicle is stuck in mud or snow, the VDC system reduces the engine output to reduce wheel spin. The engine speed will be reduced even if the accelerator is depressed to the floor. If maximum engine po ...

PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER" The Supplemental Restraint System such as "AIR BAG" and "SEAT BELT PRE-TENSIONER", used along with a front seat belt, helps to reduce the risk or severity of injury to the driver and ...

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