Symptom Chart: Supplemental Restraint System (SRS)

Diagnostics in this service information assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to DIAGNOSTIC METHODS for information regarding Ford-specific diagnostic practices.

Condition	Possible Sources	Actions
A module does not respond to the scan tool	Fuse Scan tool DLC Wiring, terminals or connectors Module	REFER to COMMUNICATIONS NETWORK , Symptom Chart: Communication Network.
An audible tone sounds within 60 seconds of ignition ON	Supplemental Restraint System (SRS) fault or airbag warning indicator fault	CARRY OUT the RCM and IPC self-tests. For RCM DTCs, REFER to the DTC Chart: Restraint Control Module (RCM) . For IPC DTCs, REFER to Instrumentation, Message Center, and Warning Chimes .
The airbag indicator is flashing	Supplemental Restraint System (SRS) fault	CARRY OUT the RCM and OCSM self-tests. REFER to the appropriate DTC Chart in this service information above.
The airbag warning indicator is illuminated continuously	Fuse Wiring, terminals or connectors IPC RCM or OCSM	CARRY OUT the RCM and OCSM self-tests. REFER to the appropriate DTC Chart in service information above to diagnose any DTCs that are retrieved. If no DTCs were retrieved from the RCM or OCSM, REFER to PINPOINT TEST R . If the RCM does not respond to the scan tool, REFER to PINPOINT TEST C . If the OCSM does not respond to the scan tool, REFER to PINPOINT TEST E .