Symptom Chart

WARNING: This page is about a different car, the 2008 Mercury Mariner and 2008 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.

Symptom Chart

Condition	Possible Sources	Action
Air bag warning indicator is illuminated continuously	Fuse to restraints control module (RCM) Wiring, terminals or connectors Faulty diagnostic connector Instrument cluster (IC) module RCM	Go to Pinpoint Test A .
Air bag indicator flashing	Air bag/pretensioner supplemental restraint system (SRS) fault	REFER to Supplemental Restraint System (SRS) DTC Chart.
Audible tone - DTCs retrieved	Air bag SRS system fault and air bag warning indicator fault	REFER to Supplemental Restraint System (SRS) DTC Chart.
No communication with the RCM	Scan tool Data link connector (DLC) Circuitry RCM	REFER to MODULE COMMUNICATIONS NETWORK article to diagnose the no communication concern.
No communication with the occupant classification system module (OCSM)	Scan tool DLC Circuitry OCSM	REFER to MODULE COMMUNICATIONS NETWORK article to diagnose the no communication concern.