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:
Wiring diagram
Eco mode system
Wiring Diagram
...
Hazard switch
Component function check
1.Check hazard switch signal by consult
Consult data monitor
Turn ignition switch ON.
Select hazard sw of bcm (flasher) data monitor item.
While operating the hazard switch, check the monitor status.
Is the inspection result normal?
Yes >> hazard swi ...
Ipdm-e 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 ipdm e/r for damage, bend and
loose connection (unit side
and connector side).
Is the inspection result normal?
Yes ...
