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Home >> Mercury >> 2009 >> Mariner Base, 2.5 7, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 142 (Supplemental Restraint System) >> Diagnostic Tests >> Air Bag And Safety Belt PRETENSIONER Supplemental Restraint System (SRS) >> Symptom Chart

Symptom Chart

WARNING: This page is about a different car, the 2009 Mercury Grand Marquis and 2009 Ford Crown Victoria. However, it is still accessible from the selected car via links, so may be relevant.
Symptom Chart

Condition Possible Sources Action
  • The air bag warning indicator is illuminated continuously
  • Fuse to Restraints Control Module (RCM)
  • Wiring, terminals or connectors
  • Data Link Connector (DLC)
  • RCM
  • Air bag warning indicator flashing
  • Air bag/pretensioner Supplemental Restraint System (SRS) fault
  • Audible tone - DTCs retrieved
  • SRS fault and air bag warning indicator fault
  • No communication with the RCM
  • Fuse
  • Scan tool
  • DLC
  • RCM
  • Circuitry