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Home >> Saturn >> 1994 >> SL1 Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 17 (Air Bag Restraint System) >> Description & Operation >> Sensing & Diagnostic Module (SDM) >> Driver Notification
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Driver Notification

WARNING: This page is about a different car, the 1995 Pontiac Firebird and 1995 Chevrolet Camaro. However, it is still accessible from the selected car via links, so may be relevant.

SDM warns driver of SIR system malfunction by controlling AIR BAG warning light.

SDM is connected to SIR wiring harness by a 20-pin connector. Harness connector utilizes a shorting bar across certain terminals in contact area. Shorting bar connects AIR BAG warning light to ground when SDM harness connector is disconnected. This causes AIR BAG warning light to come on steady whenever ignition is on.

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