Dodge Ram 2004, Service Manual

Page: 101 / 642

TEST ACTION APPLICABILITY
3 Remove the Airbag Run fuse.
NOTE: Check connectors - Clean and repair as necessary.
Measure the resistance of the Fused Ignition Switch Output Run circuit between the
Run Fuse and ground.
Is the resistance below 10.0 ohms? All
Yes
→
Go To 4
No
→
Replace the defective fuse.
Perform __AIRBAG VERIFICATION TEST - VER 1.
4 WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN THE IGNI-
TION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BE-
FORE PROCEEDING.
Disconnect the Airbag Control Module connector.
NOTE: Check connectors - Clean and repair as necessary.
Connect the appropriate Load Tool ACM Adaptor to the Airbag Control Module
connector(s).
Measure the resistance of the Fused Ignition Switch Output Run circuit between the
ACM connector and ground.
Is the resistance below 10K ohms? All
Yes
→
Repair the Fused Ignition Switch Output Run circuit for a short
to ground and replace Airbag Run Fuse.
Perform __AIRBAG VERIFICATION TEST - VER 1.
No
→
Go To 5
5 WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN THE IGNI-
TION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BE-
FORE PROCEEDING.
WARNING: IF THE AIRBAG CONTROL MODULE IS DROPPED AT ANY
TIME, IT MUST BE REPLACED. FAILURE TO TAKE THE PROPER PRE-
CAUTIONS COULD RESULT IN ACCIDENTAL AIRBAG DEPLOYMENT
AND PERSONAL INJURY OR DEATH.
If there are no possible causes remaining, view repair. All
Repair
Replace the Airbag Control Module in accordance with Service
Instructions and replace the Run Only Fuse.
Perform __AIRBAG VERIFICATION TEST - VER 1.
6 Turn the ignition on.
Measure the voltage of the Ignition Switch Output Run circuit between the Airbag
Run circuit fuse and ground.
Is the voltage above approximately 6.0 volts? All
Yes
→
Go To 7
No
→
Repair the open Ignition Switch Output Run circuit. Then rein-
stall the Ignition Switch Output Run fuse.
Perform __AIRBAG VERIFICATION TEST - VER 1.
87
AIRBAG
LOSS OF IGNITION RUN ONLY —
Continued