Conditions For Setting DTC
WARNING: This page is about a different car, the 1998 Oldsmobile Aurora and 1998 Buick Riviera. However, it is still accessible from the selected car via links, so may be relevant.
DTC sets when driver and passenger deployment loops are not open, passenger deployment loop is not shorted to voltage, voltage at PASSENGER LOW terminal NO. 4 is greater than 3.3 volts, and voltage at DRIVER LOW terminal No. 3 is less than 3.3 volts for 500 milliseconds during POWER-ON, RESISTANCE MEASUREMENT, or CONTINUOUS MONITORING tests, and IGNITION POSITIVE VOLTAGE is within normal operating range.