Symptom Chart

WARNING: This page is about a different car, the 2009 Mercury Milan, 2009 Lincoln MKZ, and 2009 Ford Fusion. 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 DTC Wiring, terminals or connectors Data link connector (DLC) Restraints control module (RCM)	Go to Pinpoint Test A .
Air bag indicator flashing at 5 Hz rate	RCM not configured	INSTALL a new RCM and CARRY OUT programmable module installation (PMI). REFER to Restraints Control Module (RCM) .
Audible tone - DTCs retrieved	Supplemental restraint system (SRS) system fault and air bag warning indicator fault	REFER to Supplemental Restraint System (SRS) DTC Chart.
No communication with the RCM	Open fuse Circuitry Scan tool DLC RCM	REFER to MODULE COMMUNICATIONS NETWORK article to diagnose the no communication concern.
No communication with the occupant classification system module (OCSM)	Open fuse Circuitry Scan tool DLC OCSM	REFER to MODULE COMMUNICATIONS NETWORK article to diagnose the no communication concern.