Nissan Sentra Service Manual: 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:
Basic inspection
Diagnosis and repair work flow
Work flow
Detailed flow
1.Obtain information about symptom
Interview the customer to obtain as much information as possible about the
conditions and environment under
which the malfunction occurs.
>> GO TO 2.
2.Check symptom
Check the symptom based ...
Vehicle Dynamic Control (VDC) off switch
The vehicle should be driven with the Vehicle
Dynamic Control (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 f ...
Daytime light system inoperative
Description
The daytime light system is inoperative even though the combination switch
(lighting and turn signal switch)
and parking brake switch are in the normal setting, also whenever engine is
operating.
Diagnosis procedure
1.Check daytime light operation
Perform bcm(headlamp) daytim ...
