Ford 2003 Mustang Workshop Manual page 4038

D2 CHECK THE DRIVER AIR BAG MODULE
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.
Key in OFF position.
Deactivate the system. Refer to
System (SRS) in the Diagnosis and Testing portion of this section.
Key in OFF position.
Key in ON position.
Enter the following diagnostic mode on the diagnostic tool: On-
Demand Self Test.
Was DTC B1887 retrieved?
D3 CHECK THE DRIVER AIR BAG MODULE CIRCUIT
Key in OFF position.
Disconnect: RCM C2041.
NOTE: Do not separate or remove shorting bars from RCM C2041.
Measure the resistance between RCM C2041 pin 3, circuit 614
(GY/OG), harness side and RCM C2041 pin 21, circuit 397
(BK/WH), harness side.
Is the resistance less than 10,000 ohms?
D4 CHECK THE DRIVER AIR BAG MODULE WIRING AND THE
CLOCKSPRING
Disconnect: Driver Air Bag Module C216.
Disconnect: Clockspring C218b.
Inspect all crimps, terminals, wires and connectors in circuit 614
(GY/OG) feeding the RCM pin 3, circuit 615 (GY/WH) feeding pin 4,
the clockspring C218b. Check for pinched wires and damaged
connector pin terminals.
Was any damage found?
in this section.
Air Bag Supplemental Restraint
Yes
GO to D3
Air Bag
No
INSTALL a new
driver air bag
module. GO to
Yes
GO to D4
No
INSTALL a new
RCM. GO to
Yes
REPAIR as
necessary. GO to
D6 .
No
GO to D6
.
D6 .
.
D6 .
.