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Home >> Chevrolet >> 2001 >> Venture Base, Van Passenger >> Repair and Diagnosis >> External Pages >> Different car >> Section 98 (Air Bag Restraint Systems) >> Diagnostic Tests >> DTC B0022: Driver Frontal Deployment Loop Resistance Low >> Diagnostic Procedure

Diagnostic Procedure

WARNING: This page is about a different car, the 2002 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
  1. 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 .
  2. Turn ignition off. Disconnect driver-side air bag module connector, located at base of steering column. See Figure. If harness connector is damaged or corroded, go to next step. If connector is okay, go to step  4.
  3. If harness side of connector is damaged, replace connector. See WIRE REPAIR . Go to step  11. If SIR coil connector is damaged, go to step  10.
  4. Turn ignition off. Install SIR Driver/Passenger Load Tool (SA9409Z-A) to harness connector. Turn ignition on. Using scan tool, check for SIR DTC's. If DTC B0022 is retrieved, go to next step. If DTC B0022 is not retrieved, go to step  7.
    NOTE: Use Digital Multimeter (SA911141NE) and Connector Test Adapter Kit (SA9206Z) when performing electrical tests.
  5. Turn ignition off. Remove load tool from harness connector. Disconnect SDM harness connector. See Figure. Measure resistance between terminals A6 and A7 of SDM connector. If resistance is infinite, go to step  8. If resistance is less than infinite, go to next step.
  6. Repair short between circuits 347 and 348. See WIRE REPAIR . Go to step  11.
  7. Turn ignition off. Remove driver-side air bag module. See AIR BAG MODULES  under REMOVAL & INSTALLATION. Remove load tool from harness connector and install on upper SIR coil connector. Reconnect harness connector at base of steering column. Turn ignition on. Check for SIR DTC's. If DTC B0022 is retrieved, go to step  10. If DTC B0022 is not retrieved, go to step  9.
  8. Turn ignition off. Replace SDM. See SENSING & DIAGNOSTIC MODULE (SDM)  under REMOVAL & INSTALLATION. Go to step  11.
  9. Turn ignition off. Replace driver-side air bag. See AIR BAG MODULES  under REMOVAL & INSTALLATION. Go to step  11.
  10. Replace SIR coil assembly. See SIR COIL ASSEMBLY  under REMOVAL & INSTALLATION. Go to next step.
  11. Reconnect all SIR components. Ensure that all components are properly mounted. Using scan tool, clear all SIR DTC's. Go to SIR DIAGNOSTIC SYSTEM CHECK .
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