Nissan Sentra Service Manual: Parking brake switch signal circuit
Component function check
1.Check parking brake switch operation
Check that brake warning lamp in combination meter turns on/off when parking brake is actuated.
Is the inspection result normal? Yes >> inspection end.
No >> proceed to diagnosis procedure. Refer to mwi-60, "diagnosis procedure".
Diagnosis procedure
Regarding Wiring Diagram information, refer to MWI-28, "Wiring Diagram".
1.Connector inspection
- Turn ignition switch off.
- Disconnect combination meter and parking brake switch connectors.
- Check connectors and terminals for deformation, disconnection, looseness or damage.
Is the inspection result normal? Yes >> go to 2 no >> repair or replace as necessary.
2.Check parking brake switch
Check parking brake switch. Refer to mwi-61, "component inspection".
Is the inspection result normal? Yes >> go to 3.
No >> replace parking brake switch. Refer to pb-7, "exploded view".
3.Check parking brake switch signal
With consult
- Connect combination meter connector and parking brake switch connectors.
- Turn ignition switch on.
- In “DATA MONITOR” select “PARK BRAKE SW” and check parking brake switch signal.
Is the inspection result normal? Yes >> refer to mwi-45, "work flow".
No >> go to 4.
4.Check parking brake switch circuit
- Turn ignition switch off.
- Disconnect combination meter and parking brake switch connectors.
- Check continuity between combination meter connector M24 terminal 10 and parking brake switch connector M130 terminal 1.
- Check continuity between combination meter connector and ground.
Is the inspection result normal? Yes >> replace combination meter. Refer to mwi-77, "removal and installation".
No >> repair or replace malfunctioning components.
Component inspection
1.Check parking brake switch
- Turn ignition switch off.
- Disconnect parking brake switch connector.
- Check continuity between parking brake switch terminal 1 and ground.
Is the inspection result normal? Yes >> inspection end.
No >> replace parking brake switch. Refer to pb-7, "exploded view".
Fuel level sensor signal circuit
Description
The fuel level sensor unit and fuel pump detects the approximate fuel level
in the fuel tank and transmits the
fuel level signal to the combination meter.
Component function check
1 ...
Ambient sensor signal circuit
Description
It detects outside air temperature and converts it into a resistance value
which is then input into the combination
meter.
Diagnosis Procedure
Regarding wiring diagram information, ...
Other materials:
Brake pedal
Exploded View
WITHOUT BRAKE PEDAL POSITION SWITCH
Snap pin
Brake pedal assembly
Brake pedal pad
Stop lamp switch
Clip
Clevis pin
Apply multi-purpose grease.
WITH BRAKE PEDAL POSITION SWITCH
Snap pin
Brake pedal assembly
Brake pedal pad
Brake pedal position switch
...
Checking engine coolant level
Check the coolant level in the reservoir when
the engine is cold. If the coolant level is below
the MIN level B , add coolant to the MAX level
A . If the reservoir is empty, check the coolant
level in the radiator when the engine is cold. If
there is insufficient coolant in the radiator, fi ...
Precaution for work
When removing or disassembling each component, be careful not to damage
or deform it. If a component
may be subject to interference, be sure to protect it with a shop cloth.
When removing (disengaging) components with a screwdriver or similar
tool, be sure to wrap the component
with a ...
