Test Description
WARNING: This page is about a different car, the 2004 Pontiac Vibe. However, it is still accessible from the selected car via links, so may be relevant.
The numbers below refer to the step numbers on the diagnostic table.
- 3: Tests the seat belt buckle switch (unbuckled) for the proper resistance value.
- 4: Tests the seat belt buckle switch (buckled) for the proper resistance value.
- 6: Tests for an open, short to ground, or short to voltage in the seat belt buckle switch - left circuit.
DTC B0127
| Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
| Schematic Reference: SIR Schematics Connector End View Reference: SIR Connector End Views |
||||
| 1 | Did you perform A Diagnostic System Check - SIR? | - | Go to Step 2 | Go to Diagnostic System Check - SIR |
| 2 |
|
- | Go to Step 9 | Go to Step 3 |
| 3 | Measure the resistance between the seat belt buckle switch terminal and ground with the seat belt unbuckled. Refer to Circuit Testing
in Wiring Systems. Does the resistance measure within the specified range? |
1000 -1600 Ω | Go to Step 4 | Go to Step 7 |
| 4 | Measure the resistance between the seat belt buckle switch terminal and ground with the seat belt buckled. Refer to Circuit Testing
in Wiring Systems. Does the resistance measure within the specified range? |
100 -500 Ω | Go to Step 5 | Go to Step 7 |
| 5 |
|
- | Go to Step 9 | Go to Step 6 |
| 6 | Test the seat belt buckle switch circuit for the following conditions:
Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? |
- | Go to Step 9 | Go to Step 8 |
| 7 | Replace the seat belt buckle assembly. Refer to Inflatable Restraint Front End Discriminating Sensor Replacement - Left . Did you complete the replacement? |
- | Go to Step 9 | - |
| 8 | Replace the SDM. Refer to Inflatable Restraint Sensing and Diagnostic Module Replacement . Did you complete the replacement? |
- | Go to Step 9 | - |
| 9 |
|
- | Go to Step 2 | System OK |