Nissan Sentra Service Manual: Washer fluid level switch circuit
Description
Transmits the washer level switch signal to the combination meter.
Diagnosis procedure
Regarding Wiring Diagram information, refer to MWI-28, "Wiring Diagram".
1.Check washer level switch signal circuit
- Turn ignition switch off.
- Disconnect combination meter connector and washer fluid level switch connector.
- Check continuity between combination meter harness connector and washer fluid level switch harness connector.
- Check continuity between combination meter harness connector and ground.
Is the inspection result normal? YES >> GO TO 2.
NO >> Repair or replace harness or connector.
2.Check washer fluid level switch ground circuit
Check continuity between washer fluid level switch connector and ground.
Is the inspection result normal? YES >> Inspection End.
NO >> Repair or replace harness or connector.
Component inspection
1.Check washer fluid level switch
Check continuity between washer fluid level switch terminals 1 and 2.
Is the inspection result normal?
Yes >> inspection end.
No >> replace washer fluid level switch.Refer to ww-53, "removal and installation".
A/c auto amp. Connection recognition signal circuit
Description
A/c auto amp. Transmits the a/c auto amp. Connection recognition signal to
the combination meter
Diagnosis procedure (with manual a/c)
Regarding wiring diagram information, refer to ...
Other materials:
Wiring diagram
Rear window defogger system
Wiring diagram
...
P0300, P0301, P0302, P0303, P0304 Misfire
DTC Logic
DTC DETECTION LOGIC
When a misfire occurs, engine speed will fluctuate. If the engine speed
fluctuates enough to cause the crankshaft
position (CKP) sensor (POS) signal to vary, ECM can determine that a misfire is
occurring.
Sensor
Input signal to ECM
ECM function
...
BCM 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 bcm for damage, bend and loose
connection (unit side and
connector side).
Is the inspection result normal?
YES > ...
