Nissan Sentra Service Manual: 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 mwi-28, "wiring diagram".
1.Check a/c auto amp. Connection recognition signal
- Turn ignition switch on.
- Check voltage between combination meter harness connector and ground.
Is the inspection result normal? Yes >> inspection end.
No >> go to 2.
2.Check a/c auto amp. Connection recognition signal circuit
- Turn ignition switch OFF.
- Disconnect combination meter connector and a/c auto amp. Connector.
- Check continuity between combination meter harness connector and a/c auto amp. Harness connector.
- Check continuity between combination meter harness connector and ground.
Is the inspection result normal? Yes >> inspection end.
No >> repair or replace harness or connector.
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, ...
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 wash ...
Other materials:
Air conditioning cut control
AIR CONDITIONING CUT CONTROL : System Description
SYSTEM DIAGRAM
INPUT/OUTPUT SIGNAL CHART
Sensor
Input Signal to ECM
ECM function
Actuator
Crankshaft position sensor (POS)
Engine speed*
Piston position
Air conditioner
cut control
IPDM E/R
↓Air ...
DTC/circuit diagnosis
U1000 CAN COMM CIRCUIT
Description
Refer to lan-7, "can communication system : system description".
Dtc logic
Dtc detection logic
Note:
U1000 can be set if a module harness was disconnected and reconnected,
perhaps during a repair. Confirm
that there are actual CAN diagnostic symp ...
Power supply and ground circuit
Combination meter
COMBINATION METER : Diagnosis Procedure
Regarding Wiring Diagram information, refer to MWI-28, "Wiring Diagram".
1.Check fuses
Check that the following fuses are not blown.
Is the fuse blown?
Yes >> replace the blown fuse after repairing the affected circu ...
