Diagnostic Procedure
WARNING: This page is about a different car, the 2000 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
- If SIR Diagnostic System Check has been performed, go to next step. If SIR Diagnostic System Check has not been performed, go to SIR DIAGNOSTIC SYSTEM CHECK .
- Disconnect passenger air bag 4-pin connector. Check for corrosion, terminal damage or poor connections. If damage is found, go to next step. If no damage is found, go to step 4 .
- If female side of connector is damaged, wire harness must be replaced. If male side of connector is damaged, replace connector. See WIRE REPAIR . Go to step 18 .
- Reconnect 4-pin connector. Ensure CPA clip is installed correctly. Turn ignition on. Using scan tool, check for SIR DTCs. If DTC B0017 is retrieved, go to next step. If DTC B0017 is not retrieved, go to DIAGNOSTIC AIDS.
- Turn ignition off. Disconnect air bag 4-pin connector. Install SIR Driver-Passenger Load Tool (J-38715-A) to female side of harness connector. Turn ignition on. Using scan tool, check for SIR DTCs. If DTC B0017 is retrieved, go to step 11 . If DTC B0017 is not retrieved, go to next step.
- Turn ignition off. Disconnect passenger-side air bag module in line connector. If connector has corrosion, damaged terminals or poor connections, go to next step. If connector is okay, go to step 8 .
- If male side of connector is damaged, replace passenger-side air bag module. See AIR BAG MODULES under REMOVAL & INSTALLATION. If female side of connector is damaged, replace connector. Go to step 18 .
- Remove SIR Driver-Passenger Load Tool (J-38715-A) from 4-pin connector. Reconnect 4-pin connector. Install SIR Driver-Passenger Load Tool (J-38715-A) on female end of passenger-side air bag module harness. Turn ignition on. Using scan tool, check for SIR DTCs. If DTC B0017 is not retrieved, go to step 10 . If DTC B0017 is retrieved, go to next step.
- Turn ignition off. Repair open or high resistance condition between circuit 1403 and 1404 between 4-pin connector and passenger-side air bag module. Go to step 18 .
- Turn ignition off. Replace passenger-side air bag. See AIR BAG MODULES under REMOVAL & INSTALLATION. Go to step 18 .
- Turn ignition off. Remove SIR Driver-Passenger Load Tool (J-38715-A) from harness connector. Disconnect SDM harness connector. Inspect SDM harness connection for corrosion, damage or poor contact. If damage is found, go to next step. If terminals are okay, go to step 13 .
- Replace SDM harness connector. Go to step 18 .
- Using Digital Multimeter (J-39200), measure resistance between passenger-side air bag harness connector terminal "A" and SDM connector terminal No. A3. See Figure & Figure . If resistance is less than 0.5 ohms, go to step 15 . If resistance is 0.5 ohms or greater, go to next step.
- Repair open or high resistance in circuit 1403. Go to step 18 .
- Measure resistance between passenger-side harness connector terminal "B" and SDM connector terminal No. A8. See Figure & Figure . If resistance is less than 0.5 ohms, go to step 17 . If resistance is 0.5 ohms or greater, go to next step.
- Repair open or high resistance in circuit 1404. Go to step 18 .
- Replace SDM. See SENSING & DIAGNOSTIC MODULE (SDM) under REMOVAL & INSTALLATION.Go to next step.
- Reconnect all SIR components. Ensure that all components are properly mounted. Clear all SIR DTCs. Go to SIR DIAGNOSTIC SYSTEM CHECK .