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:
Front wiper motor ground circuit
Diagnosis procedure
Regarding Wiring Diagram information, refer to WW-24, "Wiring Diagram - With
Intelligent Key" or WW-29,
"Wiring Diagram - Without Intelligent Key".
1.Check front wiper motor (gnd) open circuit
Turn the ignition switch OFF.
Disconnect front wiper mot ...
Inspection and adjustment
Additional service when replacing control unit
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Description
WARNING:
Always perform zero point reset using CONSULT when removing and
installing the front passenger
seat or servicing the occupant classification system. If zero point reset is not ...
Trip computer
When the ignition switch is placed in the ON
position, the modes of the trip
computer can be
selected by pressing the button on the
steering wheel. The following modes can be selected:
Trip A
Trip B
ECO Pedal Indicator
Instant fuel economy
Average fuel economy
Average speed
Dis ...
