Ford 2003 Mustang Workshop Manual page 4069

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.
Disconnect: RCM C2041.
Key in ON position.
Is the air bag indicator illuminated?
O3 CHECK AIR BAG INDICATOR CIRCUIT FOR SHORT TO BATTERY
Key in OFF position.
Disconnect: RCM C2041.
Disconnect: Instrument Cluster C220a.
Key in ON position.
Measure the voltage between RCM C2041 pin 20, circuit 608
(BK/YE), harness side and ground.
Is the voltage less than 0.2 volt?
O4 CHECK FOR AN INTERMITTENT FAULT
Refer to the continuous DTCs recorded during Step O1.
Was the continuous DTC retrieved during Step O1 an
intermittent fault?
O5 CHECK FOR ADDITIONAL DTCs
Refer to the continuous DTCs recorded during Step O1.
Were any continuous DTCs retrieved during Step O1?
Air Bag Supplemental Restraint
Yes
REPAIR the
instrument cluster.
GO to O5 .
No
REPAIR the
circuit. GO to O5 .
Yes
CHECK for causes
of intermittent
short to battery on
circuit 608
(BK/YE). Attempt
to recreate the
hard fault by
flexing the wire
harness and
cycling the ignition
key frequently.
REPAIR any
intermittent
concerns found.
GO to O5 .
No
GO to O5 .
Yes
Do not clear any
DTCs until all
DTCs have been