NOTE During testing if DTCs other than DTC B are displayed disregard them

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Diagnostic Procedure

1. Disable air bag system. See DISABLING SYSTEM under DISABLING & ACTIVATING AIR BAG SYSTEM. Reconnect negative battery cable.

2. Turn ignition switch to ON position. Measure voltage between ground and Yellow-Violet wire (circuit ICL+) of air bag sensor assembly side of left-side head impact air bag module squib connector. See WIRING DIAGRAMS . If voltage is not zero volt, repair or replace harness or connector between leftside head impact air bag module and air bag sensor assembly. If voltage is zero volt, go to next step.

3. Turn ignition switch to LOCK position. Disconnect negative battery cable. Wait at least 90 seconds. Reconnect air bag sensor assembly connector A19 (left connector) to air bag sensor assembly. Connect jumper wire between Yellow-Violet wire (circuit ICL+) and Yellow-Orange wire (circuit ICL-) of air bag sensor assembly side of left-side head impact air bag module squib harness connector. Connect negative battery cable. Wait at least 2 seconds. Turn ignition switch to ON position. Wait at least 20 seconds. Clear DTCs. See CLEARING CODES under DIAGNOSTICS. Turn ignition switch to LOCK position. Wait at least 20 seconds. Turn ignition switch to ON position. Wait at least 20 seconds. Retrieve DTCs. See RETRIEVING CODES under DIAGNOSTICS. If DTC 86-B1168 is not displayed, go to next step. If DTC 86-B1168 is displayed, replace air bag sensor assembly.

4. Turn ignition switch to LOCK position. Disconnect negative battery cable. Wait at least 90 seconds. Reconnect left-side head impact air bag module connector. Connect negative battery cable. Wait at least 2 seconds. Turn ignition switch to ON position. Wait at least 20 seconds. Clear DTCs. See CLEARING CODES under DIAGNOSTICS. Turn ignition switch to LOCK position. Wait at least 20 seconds. Turn ignition switch to ON position. Wait at least 20 seconds. Retrieve DTCs. See RETRIEVING CODES under DIAGNOSTICS. If DTC 86-B1168 is not displayed, system is functioning properly at this time. Check for intermittent fault. See AIR BAG WARNING LIGHT INTERMITTENT . If DTC 86-B1168 is displayed, replace left-side head impact air bag module.

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