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Home >> Eagle >> 1996 >> Summit ES, 1.8 C >> Repair and Diagnosis >> External Pages >> Different car >> Section 1 (Air Bag Restraint System) >> Diagnosis & Testing >> Codes 41 & 42 >> Power Supply System

Power Supply System

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.
  1. Before proceeding, follow air bag service precautions. See SERVICE PRECAUTIONS. Check for discharged battery. If battery is okay, turn ignition switch to LOCK position. Disconnect negative battery cable. Shield cable end. Wait at least 60 seconds before servicing. Remove floor console assembly.
  2. SDUs use two distinct types of connector locks. See Figure and Figure .
  3. Connect SDU Red 14-pin connector to SRS check harness connector No. 3. See Figure . See SPECIAL TOOLS. Check for continuity between ground and terminals No. 19 and 20 of SRS. Check harness connector No. 5. See Figure . If continuity does not exist, replace wiring harness.
  4. If continuity exists, reconnect negative battery cable. Turn ignition ON. Measure voltage between ground and terminal No. 11 (Code 42), or terminal No. 12 (Code 41) of SRS check harness connector No. 5. If 9 volts or more is present, replace SDU. If less than 9 volts is present, replace wiring harness between SDU and ignition switch.
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