Nissan Sentra Service Manual: The parking brake release warning continues sounding, or does not sound
Description
- The parking brake warning buzzer sounds continuously during vehicle travel though the parking brake is released.
- The parking brake warning buzzer does not sound at all even though driving the vehicle with the parking brake applied.
Diagnosis procedure
1.Check parking brake warning lamp
- Start the engine.
- Check the operation of the brake warning lamp by operating the parking brake.
Is the inspection result normal? Yes >> replace combination meter. Refer to mwi-77, "removal and installation".
No >> go to 2.
2.Check parking brake switch signal circuit
Check the parking brake switch signal circuit. Refer to mwi-60, "diagnosis procedure".
Is the inspection result normal? Yes >> go to 3.
No >> repair or replace harness or connector.
3.Check parking brake switch
Check the parking brake switch. Refer to mwi-61, "component inspection".
Is the inspection result normal? Yes >> replace combination meter. Refer to mwi-77, "removal and installation".
No >> replace parking brake switch. Refer to pb-7, "exploded view".
Warning chime system symptoms
Symptom table
Caution:
Perform the self-diagnosis with consult before the symptom diagnosis.
Perform the trouble diagnosis
if any dtc is detected.
...
The seat belt reminder warning
continues sounding, or does not
sound
Description
Seat belt reminder warning does not sound.
Seat belt reminder warning sounds continuously.
Diagnosis procedure
1.Check seat belt warning lamp
Turn ignition switch on.
Chec ...
Other materials:
Ecm 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 ecm for damage, bend and loose
connection (unit side and
connector side).
Is the inspection result normal?
YES > ...
P0444, P0445 EVAP Canister purge volume control solenoid valve
DTC Logic
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P0444
PURG VOLUME CONT/V
(Evaporative emission system
purge control valve circuit open)
An excessively low voltage signal is sent to ...
Basic inspection
Diagnosis and repair workflow
Workflow
OVERALL SEQUENCE
DETAILED FLOW
1.INTERVIEW CUSTOMER
Interview the customer to obtain as much information as possible about the
conditions and environment under
which the malfunction occurred.
>> GO TO 2.
2.SYMPTOM CHECK
Verify symptoms.
...
