SMU - Revised Diagnostic Tables to Clarify Diagnosis of Side Air Bags
| Subject: | Revised Diagnostic Tables to Clarify Diagnosis of Side Air Bags and Pretensioners |
| Models: | 1998-99 Chevrolet Prizm |
This bulletin is being issued to revise the following diagnostic tables:
| • | SIR Diagnostic System Check |
| • | Air Bag Indicator Flashes Continuously |
Please use the following to replace the existing information in the SIR sub-section of Restraints in the Service Manual.
SIR Diagnostic System Check
Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Turn the ignition switch to OFF. Is the AIR BAG warning lamp illuminated? | -- | Go to AIR BAG Warning Lamp Circuit Malfunction | Go to Step 2 |
2 | Note the AIR BAG warning lamp as the ignition switch is turned to ON. Does the AIR BAG warning lamp illuminate steady for 6 seconds and then go OFF? | -- | System OK | Go to Step 3 |
3 | Display flash code DTCs. Refer to Diagnostic Trouble Code (DTC) Displaying. Are there any DTCs displayed? | -- | Go to the appropriate DTC table | Go to Step 4 |
4 | Does the AIR BAG warning lamp flash continuously? | -- | Go to AIR BAG Indicator Flashes Continuously | Go to Step 5 |
5 |
Are all DTCs diagnosed and malfunctions repaired? | -- | Go to Step 1 | -- |
AIR BAG Indicator Flashes Continuously
Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Was the SIR Diagnostic System Check performed? | -- | Go to Step 2 | Go to SIR Diagnostic System Check |
2 |
Is the resistance measured less than the specified value? | OL (Infinite) | Go to Step 3 | Go to Source Voltage Drop |
3 | Repair the short to ground in the I/P wiring harness between the Data Link Connector (DLC) and the SDM. Are all the repairs complete? | -- | Go to Step 4 | -- |
4 | Reconnect all the SIR components. Make sure all the components are properly mounted. Have all the SIR components been reconnected and properly mounted? | -- | Go to SIR Diagnostic System Check | -- |
