Step
| Action
| Yes
| No
|
Schematic Reference:
Seat Belt Schematics
|
1
| Did you perform the A Diagnostic System Check - Seat Belts?
| Go to
Step 2
| Go to
Diagnostic System Check - Seat Belts
|
2
|
- Turn ON the ignition, with the engine OFF.
- Monitor the fasten safety belt indicator while buckling and unbuckling the driver seat belt. The fasten safety belt indicator should turn OFF when buckle and turn ON when unbuckle.
Does the system operate properly?
| Go to
Testing for Intermittent Conditions and Poor Connections
in Wiring Systems
| Go to
Step 3
|
3
|
- Buckle the driver's seat belt.
- With a scan tool, observe the Driver Belt Status parameter in the SIR scan tool data list.
Does the scan tool indicate that the Driver Belt Status parameter
displays Buckled?
| Go to
Step 4
| Go to
Step 5
|
4
|
- Disconnect the seat belt indicator control circuit connector from the Body Control Module (BCM). Refer to
Body Control Module Replacement
in Body Control System.
- Test the seat belt indicator control circuit for a open or a short to voltage.
Did you find and correct the condition?
| Go to
Step 8
| --
|
5
|
- Turn OFF the ignition.
- Disconnect the seat belt switch-LF connector.
- Test the seat belt switch-LF signal circuit for an open or high resistance.
Did you find and correct the condition?
| Go to
Step 8
| Go to
Step 6
|
6
| Test the seat belt
switch-LF ground circuit for an open or high resistance.
Did you find and correct the condition?
| Go to
Step 8
| Go to
Step 7
|
7
| Replace the seat
belt switch-LF. The seat belt switch is part of the seat belt buckle and
cannot be serviced separately. Refer to
Seat Belt Buckle Replacement - Left Front
.
Did you complete the replacement?
| Go to
Step 8
| --
|
8
|
- Reconnect all seat belt components.
- Monitor the fasten safety belt indicator while buckling and unbuckling the driver seat belt. The fasten safety belt indicator should turn OFF when buckle and turn ON when unbuckle.
Does the system operate properly?
| System OK
| Go to
Step 3
|
