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:
B1430, B1432 Seat belt pre-tensioner LH
Description
DTC B1430, B1432 SEAT BELT PRE-TENSIONER LH
The seat belt pre-tensioner LH is wired to the air bag diagnosis sensor unit.
The air bag diagnosis sensor unit
will monitor for opens and shorts in detected lines to the seat belt pre-tensioner
LH.
PART LOCATION
Refer to SRC-5, " ...
Tire Pressure Monitoring System (TPMS)
This vehicle is equipped with the Tire Pressure
Monitoring System (TPMS). It monitors tire pressure
of all tires except the spare. When the low
tire pressure warning light is lit, and the CHECK
TIRE PRES warning message is displayed in the
odometer, one or more of your tires is significantly
u ...
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
...
