Dodge Ram 2004 Service Manual page 42

AIRBAG
CALIBRATION MISMATCH —
TEST
3 With the DRB select ENGINE MISCELLANEOUS, select MISC FUNCTION, and
then CHECK VIN to read the Vehicle Identification Number in the Powertrain
Control Module.
Compare the VIN displayed on the DRB screen and the Vehicle VIN plate.
Does the VIN plate and the PCM VIN match?
Yes → Go To 4
→ Replace the Powertrain Control Module and program with the
No
4 WARNING: TO AVOID PERSONAL INJURY OR DEATH, TO AVOID PER-
SONAL INJURY OR DEATH, TURN THE IGNITION OFF, DISCONNECT
THE BATTERY AND WAIT TWO MINUTES BEFORE PROCEEDING.
Disconnect the Airbag Control Module connector(s).
Connect the appropriate Load Tool adaptor to the Airbag Control Module connec-
tor(s).
WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN THE IGNI-
TION ON, THEN RECONNECT THE BATTERY.
NOTE: Check connectors - Clean and repair as necessary.
Measure the voltage on the RUN and RUN START circuits between the Load tool
ACM Adaptor and ground.
Is the RUN or RUN START above 8.3 volts?
Yes → Go To 5
→ Repair the low voltage on the Run and Run - Start circuits.
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
Continued
ACTION
correct vehicle identification number.
Perform __AIRBAG VERIFICATION TEST - VER 1.
Perform __AIRBAG VERIFICATION TEST - VER 1.
Replace the Airbag Control Module in accordance with Service
Information.
Perform __AIRBAG VERIFICATION TEST - VER 1.
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APPLICABILITY
All
All
All