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.

SYMPTOM CHART

Condition	Possible Sources	Actions
A module does not respond to the scan tool	Fuse Scan tool Data Link Connector (DLC) Wiring, terminals or connectors Module	REFER to SYMPTOM CHART: COMMUNICATION NETWORK .
An audible tone sounds within 60 seconds of ignition ON	Supplemental Restraint System (SRS) fault or air bag warning indicator fault	CARRY OUT the Restraints Control Module (RCM) and Instrument Panel Cluster (IPC) self-tests. REFER to DTC CHART: RESTRAINT CONTROL MODULE (RCM) or REFER to DTC CHART: INSTRUMENT PANEL CLUSTER (IPC) .
The air bag indicator is flashing	Supplemental Restraint System (SRS) fault	CARRY OUT the Restraints Control Module (RCM) and Occupant Classification System Module (OCSM) self tests. REFER to DTC CHART: RESTRAINT CONTROL MODULE (RCM) or REFER to DTC CHART: OCCUPANT CLASSIFICATION SYSTEM MODULE (OCSM) .
The air bag warning indicator is illuminated continuously	Fuse Wiring, terminals or connectors Instrument Panel Cluster (IPC) Restraints Control Module (RCM) or Occupant Classification System Module (OCSM)	CARRY OUT the Restraints Control Module (RCM) and Occupant Classification System Module (OCSM) self tests. REFER to DTC CHART: RESTRAINT CONTROL MODULE (RCM) or REFER to DTC CHART: OCCUPANT CLASSIFICATION SYSTEM MODULE (OCSM) . If no Diagnostic Trouble Codes (DTCs) were retrieved from the Restraints Control Module (RCM) or Occupant Classification System Module (OCSM), REFER to DIAGNOSTIC ROUTINE R . If the Restraints Control Module (RCM) does not respond to the scan tool, REFER to DIAGNOSTIC ROUTINE C . If the Occupant Classification System Module (OCSM) does not respond to the scan tool, REFER to DIAGNOSTIC ROUTINE E .