Nissan Sentra Service Manual: Illumination control switch signal circuit
Diagnosis procedure
Regarding wiring diagram information, refer to mwi-28, "wiring diagram".
1.Check combination meter input signal
- Turn ignition switch on.
- Check voltage between the following terminals of the illumination control switch.
Is the inspection result normal? YES >> Inspection End.
NO >> GO TO 2.
2.Check illumination control switch signal circuit
- Turn ignition switch off
- Disconnect combination meter connector m24 and illumination control switch connector m66.
- Check continuity between combination meter harness connector and illumination control switch harness connector.
- Check continuity between combination meter harness connector and ground.
Is the inspection result normal? Yes >> check illumination control switch. Refer to mwi-56, "component inspection".
No >> repair or replace harness or connector.
Component inspection
1.Check illumination control switch
- Turn ignition switch OFF.
- Disconnect illumination control switch connector.
- Check illumination control switch.
Is the inspection result normal? Yes >> inspection end.
No >> replace illumination control switch. Refer to mwi-80, "removal and installation".
Steering switch (meter control switch) signal circuit
Diagnosis Procedure
Regarding wiring diagram information, refer to mwi-28, "wiring diagram".
1.Check combination meter input signal
Turn ignition switch on.
Measure voltage between ...
Fuel level sensor signal circuit
Description
The fuel level sensor unit and fuel pump detects the approximate fuel level
in the fuel tank and transmits the
fuel level signal to the combination meter.
Component function check
1 ...
Other materials:
Basic inspection
Diagnosis and repair workflow
Work flow
Overall sequence
Detailed flow
1.Obtain information about symptom
Interview the customer to obtain as much information as possible about the
conditions and environment under
which the malfunction occurred.
>> GO TO 2.
2.Check symptom
...
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”,
used along
with a front seat belt, helps to reduce the risk or severity of injury to the
driver and front passenger for certain
types of collision. Information necessary to service the system ...
Ipdm-e 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 ipdm e/r for damage, bend and
loose connection (unit side
and connector side).
Is the inspection result normal?
Yes ...
