Dodge Ram 2004 Service Manual page 118

AIRBAG
NO PCI LOOPBACK —
TEST
5 Ensure that the battery is fully charged.
WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN THE IGNI-
TION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BE-
FORE PROCEEDING.
Disconnect the ACM harness connector.
Connect the appropriate Load Tool ACM Adapter to the ACM connector.
Turn the ignition on and then reconnect the Battery.
Using a 12-volt test light connected to ground, probe the Fused Ignition Switch
Output (Run) Circuit and the Fused Ignition Switch Output (Run/Start) Circuit at
the ACM connector.
NOTE: One open circuit will not cause a NO RESPONSE condition.
Is the test light illuminated on both circuits?
Yes → Go To 6
→ Repair the Fused Ignition Switch Output (Run) and Fused
No
NOTE: When reconnecting airbag system components, the ignition must be
turned off and the battery must be disconnected.
6 Ensure that the battery is fully charged.
WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN THE IGNI-
TION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BE-
FORE PROCEEDING.
Disconnect the ACM harness connector.
Connect the appropriate Load Tool ACM Adapter to the ACM connector.
Using a 12-volt test light connected to 12-volts, probe the ground circuit.
NOTE: Make sure test light is connected to the Battery positive terminal.
Is the test light illuminated?
Yes → Go To 7
→ Repair the Ground circuit for an open.
No
When reconnecting Airbag system components, the ignition must be turned
off and the battery must be disconnected.
Continued
ACTION
Ignition Switch Output Run-Start circuits for an open.
Perform __AIRBAG VERIFICATION TEST - VER 1.
Perform __AIRBAG VERIFICATION TEST - VER 1.
104
APPLICABILITY
All
All