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:
Power supply routing circuit
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Wiring Diagram — Accessory Power Supply —
Wiring Diagram — Ignition Power Supply —
Fuse
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Structure and operation
Positive Crankcase Ventilation
This system returns blow-by gas to the intake manifold.
The positive crankcase ventilation (PCV) valve is provided to conduct crankcase
blow-by gas to the intake
manifold.
During partial throttle operation of the engine, the intake manifold sucks the
bl ...
S terminal circuit
Description
The output voltage of the generator is controlled by the IC regulator at
terminal “S” detecting the input voltage
from battery.
The “S” terminal circuit detects the battery voltage to adjust the generator
output voltage with the IC voltage
regulator.
Diagn ...
