Nissan Sentra Service Manual: 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, refer to mwi-28, "wiring diagram".
1.Check ambient sensor signal circuit
- Turn ignition switch off.
- Disconnect combination meter connector and ambient sensor connector.
- Check continuity between combination meter harness connector and ambient sensor 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 ambient sensor signal ground circuit
Check continuity between combination meter harness connector and ambient sensor harness connector.
Is the inspection result normal? YES >> Inspection End.
NO >> Repair or replace harness or connector.
Component Inspection
1.Check ambient sensor
- Turn ignition switch OFF.
- Disconnect ambient sensor connector.
- Check resistance between ambient sensor terminals.
Is the inspection result normal? Yes >> inspection end.
No >> replace ambient sensor. Refer to hac-106, "removal and installation".
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?
...
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 ...
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WARNING
The exhaust gas and the exhaust system
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Bluetooth® Hands-Free Phone System with
Navigation System (if so equipped)
WARNING
Use a phone after stopping your vehicle
in a safe location. If you have to use a
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If you are unable to devote full attention
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Abs 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 abs actuator and electric unit
(control unit) for damage, bend
and loose connection (unit side and connector side).
...
