Ford 2003 Mustang Workshop Manual page 4035

Key in OFF position.
Connect the diagnostic tool. Scan Tool
Key in ON position.
Enter the following diagnostic mode on the diagnostic tool:
Retrieve/Clear Continuous DTCs.
Retrieve and record any continuous DTCs for use later in this pinpoint
test.
Enter the following diagnostic mode on the diagnostic tool: On-
Demand Self Test.
Was DTC C1414 retrieved during the on-demand self test?
C2 CHECK THE VEHICLE IDENTIFICATION PINS NO. 1 AND NO. 2
WARNING: If the supplemental restraint system (SRS) is
being serviced, the system must be deactivated and restraint
system diagnostic tools must be installed. Refer to
Supplemental Restraint System (SRS)
The air bag restraint system diagnostic tools must be removed
and the air bag modules reconnected when the system is
reactivated to avoid non-deployment in a collision, resulting in
possible personal injury. NOTE: Diagnostics or repairs are not to be
performed on a seat equipped with a seat side air bag with the seat in
the vehicle. Prior to attempting to diagnose or repair a seat concern
when equipped with a seat side air bag, the seat must be removed
from the vehicle and the restraint system diagnostic tools must be
installed in the seat side air bag electrical connectors. The restraint
system diagnostic tools must be removed prior to operating the
vehicle over the road. NOTE: After diagnosing or 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. NOTE: For this vehicle application, RCM
C2041 pins 10 and 13 should be open circuited.
Key in OFF position.
Deactivate the system. Refer to
System (SRS) in the Diagnosis and Testing portion of this section.
Key in OFF position.
Disconnect: RCM C2041.
Make sure the RCM C2041 pin 10 and pin 13 connector slots are
empty and no connection is made when connected to the RCM.
Are the RCM C2041 pin 10 and pin 13 connector slots empty?
C3 CHECK THE VEHICLE IDENTIFICATION PIN NO. 3
NOTE: For this vehicle application, RCM C2041 pin 14, circuit 611
(WH/OG) should be connected to ignition voltage.
Measure the voltage at RCM C2041 pin 14, circuit 611 (WH/OG),
harness side and ground.
in this section.
Air Bag Supplemental Restraint
Yes
This is a hard
fault. The fault
condition is still
present. This fault
cannot be cleared
until it is corrected
and the DTC is no
longer retrieved
during the on-
demand self test.
GO to
No
This is an
intermittent fault.
The fault condition
is not present at
this time. GO to
C5 .
Yes
GO to
Air Bag
No
REPAIR any
concern found at
the RCM C2041
pin 10 and pin 13
connector slots.
GO to
Yes
GO to
No
REPAIR the
circuit. GO to
C2 .
C3 .
C6 .
C4 .
C6 .