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.
...
Other materials:
P1564 ASCD Steering switch
DTC Logic
DTC DETECTION LOGIC
NOTE:
If DTC P1564 is displayed with DTC P0605, first perform the trouble
diagnosis for DTC P0605. Refer to
EC-348, "DTC Logic".
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
...
Rear window defogger feedback signal
Description
Turns the indicator lamp in the rear window defogger switch ON when operating
the rear window defogger.
Component function check
1.Check rear window defogger feedback signal
Check that the indicator lamp of rear window defogger switch is illuminated
when turning the rear window
...
C1115 ABS Sensor [abnormal signal]
DTC Logic
DTC DETECTION LOGIC
DTC
Display Item
Malfunction detected condition
Possible causes
C1115
ABS SENSOR
[ABNORMAL SIGNAL]
When difference in wheel speed between any wheel
and others is detected while the vehicle is driven, because
of installation of t ...
