Dodge Ram 2004 Service Manual page 134

AIRBAG
PASSENGER AIRBAG ON-OFF SWITCH SHORT TO GROUND —
TEST
3 WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN THE IGNI-
TION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BE-
FORE PROCEEDING.
Disconnect the Passenger Airbag On - Off Switch.
NOTE: Check connectors - Clean and repair as necessary.
Measure the PAB On - Off Switch resistance between terminals 1 & 3 and 2 & 3.
Is the resistance below 10K ohms on either test?
Yes → Replace the Passenger Airbag ON - OFF Switch in accordance
→ Go To 4
No
4 Measure the PAB On - Off Switch resistance between terminals 1 and 2 in both
switch positions.
The switch resistance specifications are: ON position = 175.0 to 190.0 ohms and OFF
position = 820.0 870.0 ohms.
Is the resistance within range for both switch positions?
Yes → Go To 5
→ Replace the Passenger Airbag ON - OFF Switch in accordance
No
5 Disconnect the Airbag Control Module connector(s).
NOTE: Check connectors - Clean and repair as necessary.
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.
Connect the appropriate Load Tool Adaptor to the Airbag Control Module connector.
Measure the resistance of the PAB MUX Switch Sense circuit between the PAB On
- Off Switch connector and ground.
Is the resistance below 10K ohms?
Yes → Repair the Passenger Airbag MUX Switch Sense circuit short to
→ Go To 6
No
6 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:
ACTION
with the service information.
Perform __AIRBAG VERIFICATION TEST - VER 1.
with the service information.
Perform __AIRBAG VERIFICATION TEST - VER 1.
ground.
Perform __AIRBAG VERIFICATION TEST - VER 1.
Replace the Airbag Control Module in accordance with Service
Instructions.
Perform __AIRBAG VERIFICATION TEST - VER 1.
120
Continued
APPLICABILITY
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