Nissan Sentra Service Manual: Seat belt buckle switch signal circuit
Description
Transmits a seat belt buckle switch lh (driver seat) signal to the combination meter
Component function check
1. Check combination meter input signal
Select data monitor for meter/m&a and check the buckle sw monitor value.
YES >> Inspection End.
NO >> Refer to WCS-29, "Diagnosis Procedure".
Diagnosis procedure
Regarding wiring diagram information, refer to wcs-17, "wiring diagram".
1.Check combination meter input signal
- Turn ignition switch on.
- Check voltage between combination meter harness connector m24 terminal 9 and ground.
Is the inspection result normal? Yes >> replace combination meter. Refer to mwi-77, "removal and installation".
No >> go to 2.
2.Check seat belt buckle switch circuit
- Turn ignition switch OFF.
- Disconnect combination meter harness connector m24 and seat belt buckle switch lh (driver seat) harness connector b16.
- Check continuity between combination meter harness connector m24 terminal 9 and seat belt buckle switch lh (driver seat) harness connector b16 terminal 1.
- Check continuity between combination meter harness connector m24 terminal 9 and ground.
Is the inspection result normal?
Yes >> go to 3.
No >> repair or replace harness or connector.
3.Check seat belt buckle switch ground circuit
Check continuity between seat belt buckle switch lh (driver seat) harness connector b16 terminal 2 and ground.
Is the inspection result normal? Yes >> check the seat belt buckle switch. Refer to wcs-30, "component inspection".
No >> repair or replace harness or connector.
Component inspection
1. Check seat belt buckle switch
- Turn ignition switch off.
- Disconnect the seat belt buckle switch lh (driver seat).
- Check continuity between the seat belt buckle switch lh (driver seat) terminals 1 and 2.
Is the inspection result normal? Yes >> inspection end.
No >> replace the seat belt buckle switch lh (driver seat). Refer to sr-32, "removal and installation".
Meter buzzer circuit
Description
The buzzer for warning chime system is installed in the combination
meter.
The combination meter sounds the alarm buzzer based on the signals
transmitted from various units.
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Other materials:
To protect your vehicle from corrosion
Wash and wax your vehicle often to keep the
vehicle clean.
Always check for minor damage to the paint
and repair it as soon as possible.
Keep drain holes at the bottom of the doors
open to avoid water accumulation.
Check the underbody for accumulation of
sand, dirt or salt. If prese ...
Dtc/circuit diagnosis
U1000 can comm circuit
Description
Refer to LAN-7, "CAN COMMUNICATION SYSTEM : System Description".
Dtc logic
DTC DETECTION LOGIC
CONSULT Display
DTC Detection Condition
Possible Cause
CAN COMM CIRCUIT
[U1000]
When IPDM E/R cannot communicate with CAN com ...
Trunk room lamp
Removal and Installation
Warning:
Do not touch bulb while it is lit or right after being turned off.
Burning may result.
Caution:
Do not touch glass surface of the bulb with bare hands or allow oil or
grease to get on it to prevent
damage to bulb.
Release the tab (b) to open the lens.
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