Ford 2003 Mustang Workshop Manual page 4030

repairing an SRS, the restraint system diagnostic tools must be
removed before operating the vehicle over the road. NOTE: After
diagnosing or repairing a seat system, the restraint system
diagnostic tools must be removed before operating the vehicle
over the road. NOTE: The SRS must be fully operational and free of
faults before releasing the vehicle to the customer.
Key in OFF position.
Deactivate the system. Refer to
System (SRS) in this section.
Key in OFF position.
Connect: RCM C2041.
Make sure RCM C2041 is fully connected and the red locking tab is
engaged.
Is RCM C2041 fully connected and are the red locking tabs
engaged?
A3 CHECK THE RCM CONNECTOR
Key in OFF position.
Disconnect: RCM C2041.
Inspect C2041 component side for a worn, or damaged camming
beam. Inspect for foreign material.
NOTE: The shorting bars can be accessed by prying out the blue
cover from the harness side of the connector.
Inspect C2041 harness side for worn, damaged, or dislodged shorting
bar at pins 20 and 21. Inspect for foreign material.
Were any connector concerns found?
A4 CHECK THE IGNITION CIRCUIT 611 (WH/OG) FOR AN OPEN
Key in ON position.
Measure the voltage between RCM C2041 pin 2, circuit 611
(WH/OG), harness side and ground.
Air Bag Supplemental Restraint
Yes
CORRECT
connector
concerns. GO to
A7 .
No
GO to A4 .
Yes
GO to A5 .
No
REPAIR the
circuit. GO to A7 .