Ford 2003 Mustang Workshop Manual page 4017

SECTION 501-20B: Supplemental Restraint System
DIAGNOSIS AND TESTING
Air Bag Supplemental Restraint System (SRS)
Refer to Wiring Diagrams Cell
Special Tool(s)
Diagnostic Tool, Restraint
System
418-F088 (105-R0012)
Restraint System Diagnostic Tool Warning
WARNING: This tool is for restraint system service only. Remove from vehicle prior to
road use. Failure to remove could result in injury and possible violation of vehicle safety
standards.
Diagnosing Customer Concerns Without Hard DTCs
If a lamp fault code (LFC) is reported by the customer but is not present when the vehicle comes in for
service, follow the Diagnostic Instructions procedure in this section to identify the intermittent DTC.
Once the DTC is known, read the Normal Operation section of the pinpoint test for the DTC involved.
Follow the deactivation procedure in this section.
Determine the location of components involved in creating that code.
Perform a thorough visual inspection of:
components.
connectors.
splices and wiring harnesses.
pinched wires.
worn insulation on conductors.
Refer to the Possible Causes section of the pinpoint test for the DTC involved, which lists the common
concerns that relate to the DTC. Concerns are listed according to priority.
Diagnosing Customer Concerns with Hard DTCs
WARNING: The restraint system diagnostic tool is for restraint system service only.
Remove from vehicle prior to road use. Failure to remove could result in injury and possible
violation of vehicle safety standards.
46 , Air Bag for schematic and connector information.
2003 Mustang Workshop Manual