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:
Driver side power window does not operate
Diagnosis Procedure
1.Check front power window motor (driver side)
Check front power window motor (driver side).
Refer to pwc-43, "driver side : diagnosis procedure".
Is the inspection result normal?
Yes >> go to 2.
No >> repair or replace the malfunctioning parts.
...
Main line between dlc and hvac circuit
Diagnosis procedure
1.Check harness continuity (open circuit)
Turn the ignition switch off.
Disconnect the battery cable from the negative terminal.
Disconnect the following harness connectors.
Ecm
A/C auto amp.
Check the continuity between the data link connector and the A/C ...
P0420 Three way catalyst function
DTC Logic
DTC DETECTION LOGIC
The ECM monitors the switching frequency ratio of air fuel ratio (A/F)
sensor 1 and heated oxygen sensor 2.
A three way catalyst (manifold) with high oxygen storage capacity
will indicate a low switching frequency of heated oxygen sensor 2.
As oxygen storage c ...
