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Initial SRS Diagnostic Procedure

WARNING: This page is about a different car, the 1995 Mitsubishi Mirage and 1995 Eagle Summit. However, it is still accessible from the selected car via links, so may be relevant.
WARNING: Follow air bag service precautions to prevent accidental air bag deployment and personal injury. See SERVICE PRECAUTIONS.
NOTE: Ensure battery is fully charged. If battery voltage is too low, SRS warning light will come on. When battery voltage is restored to normal, light will go out. Codes remain stored for no more than about 7 days. Codes can be stored no more than 250 times. After servicing, reconnect negative battery cable. Erase codes using Multi-Use Tester II (MUT-II, MB991502) or Miller DRB-III Scan Tool. Check SRS warning light to verify system operation. See SYSTEM OPERATION CHECK.
CAUTION: Ensure ignition is off before connecting or disconnecting scan tool at DLC. SDU connector is a double-locking mechanism. DO NOT use excessive force when disconnecting SDU connector.
  1. Before proceeding, follow service precautions. See SERVICE PRECAUTIONS. Turn ignition on. If SRS warning light comes on for about 7 seconds and turns off, SRS is functioning properly at this time. If SRS warning light does not come on, or comes on and stays on, insert Read Only Memory (ROM) Pack (16X0607) into scan tool.
  2. Turn ignition switch to LOCK position. Connect scan tool to Data Link Connector (DLC). See Figure . Turn ignition on. If scan tool does not display CAN'T COMM, go to step 4).
  3. If scan tool displays CAN'T COMM, try to communicate with other systems (engine control, etc.). If scan tool cannot communicate with other systems, go to SCAN TOOL CANNOT COMMUNICATE WITH OTHER SYSTEMS. If scan tool can communicate with other systems, go to SCAN TOOL CAN COMMUNICATE WITH OTHER SYSTEMS.
  4. Use scan tool to retrieve code(s). If no codes are set, go to SRS WARNING LIGHT STAYS ON, NO CODES SET. If code(s) are set, record code(s) and service data (fault duration and how many times memory was erased). Go to appropriate CODE procedure.
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