Dodge Ram 2004 Service Manual page 101

LOSS OF IGNITION RUN ONLY —
TEST
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?
Yes → Go To 4
→ Replace the defective fuse.
No
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?
Yes → Repair the Fused Ignition Switch Output Run circuit for a short
→ Go To 5
No
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.
Repair
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?
Yes → Go To 7
→ Repair the open Ignition Switch Output Run circuit. Then rein-
No
ACTION
Perform __AIRBAG VERIFICATION TEST - VER 1.
to ground and replace Airbag Run Fuse.
Perform __AIRBAG VERIFICATION TEST - VER 1.
Replace the Airbag Control Module in accordance with Service
Instructions and replace the Run Only Fuse.
Perform __AIRBAG VERIFICATION TEST - VER 1.
stall the Ignition Switch Output Run fuse.
Perform __AIRBAG VERIFICATION TEST - VER 1.
Continued
87
AIRBAG
APPLICABILITY
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