Air Bag Warning Indicator Ground Monitoring Circuit Open - Ford 2002 Bantam Workshop Manual

501-20B-10
DIAGNOSIS AND TESTING (CONTINUED)
CONDITIONS
Air Bag Control
Module C334
PINPOINT TEST B: DTC B1921: AIR BAG WARNING INDICATOR GROUND MONITORING
CIRCUIT OPEN
CONDITIONS
WARNING: Wait at least one minute after disconnecting the battery ground cable before
disconnecting any supplemental restraint system electrical connector. Failure to follow this
instruction may result in personal injury.
B1: CHECK THE AIR BAG CONTROL MODULE MOUNTING
08/2001
Occupant Restraints — Passive — Supplemental Air
2.
Bag System
DETAILS/RESULTS/ACTIONS
3 Measure the resistance between the DLC C31
pin 7, circuit 4-AJ7 (GY/RD) and the air bag
control module C334 pin 7, circuit 4-JA7
(GY/RD).
• Is the resistance less than 5 ohms?
Yes
If the air bag warning indicator is flashing,
count the lamp flash code and
refer to the Symptom Chart in this section.
INSTALL a new air bag control module.
REFER to Air Bag Control Module in this section.
REPEAT the self-test; CLEAR the DTCs.
REACTIVATE the system.
Bag and Safety Belt Pretensioner
Supplemental Restraint System (SRS) in
this section.
No
REPAIR circuit 4-JA7 (GY/RD). REPEAT
the self-test; CLEAR the DTCs.
REACTIVATE the system.
Bag and Safety Belt Pretensioner Supple-
mental Restraint System (SRS) in this sec tion.
DETAILS/RESULTS/ACTIONS
1 Deactivate the supplemental restraint system.
REFER to Air Bag and Safety Belt Preten-
sioner Supplemental Restraint System (SRS)
in this section.
501-20B-10
REFER to Air
REFER to Air
2002 Bantam