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:
Headlamp (lo) circuit
Description
The ipdm e/r (intelligent power distribution module engine room) controls the
headlamp low relay based on
inputs from the bcm over the can communication lines. When the headlamp low
relay is energized, power
flows through fuses 43 and 44, located in the ipdm e/r. Power then flows ...
B0020 Side airbag module LH
Description
DTC B0020 FRONT LH SIDE AIR BAG MODULE
The front LH side air bag module 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 front LH side
air bag module.
PART LOCATION
Refer to SRC-5, " ...
Shift lock system
Component Function Check
1.CHECK SHIFT LOCK OPERATION (PART 1)
Turn ignition switch ON.
Shift the selector lever to park “P” position.
Attempt to shift the selector lever to any other position with the brake
pedal released.
Can the selector lever be shifted to any other posi ...
