Dodge Ram 2004, Service Manual

Page: 133 / 642

Symptom:
PASSENGER AIRBAG ON-OFF SWITCH SHORT TO GROUND
When Monitored and Set Condition:
PASSENGER AIRBAG ON-OFF SWITCH SHORT TO GROUND
When Monitored: When the ignition is on, the PAB MUX Switch Sense circuit supplies a
3 to 10 ms pulse every 100 ms across the On or Off switch resistor to the MUX switch
return circuit.
Set Condition: The code will set if the ACM senses low resistance on the PAB MUX
Switch sense circuit.
POSSIBLE CAUSES
CHECKING EQUIPMENT
PAB ON - OFF SWITCH CIRCUIT SHORT
PAB ON - OFF SWITCH SHORT
PAB MUX SWITCH CIRCUIT SHORT TO GROUND
ACM, PAB ON - OFF SWITCH CONNECTOR.
TEST ACTION APPLICABILITY
1 Turn the ignition on.
NOTE: Ensure that the battery is fully charged.
NOTE: For the purpose of this test, the AECM and ORC modules will be
referred to as an ACM.
SELECT ACTIVE or STORED DTC: All
ACM - ACTIVE DTC
Go To 2
ACM - STORED DTC
Test Complete.
NOTE: When reconnecting Airbag system components, the ignition must be
turned off and the battery must be disconnected.
2 Is this vehicle equipped with a Passenger Airbag On - Off Switch? All
Yes
→
Go To 3
No
→
With the DRBIII
t
in MISCELLANEOUS, read the Configure for
Airbag ON - OFF Switch current status. Enter the number 1 and
press enter to re configure the ACM for NO AIRBAG ON/OFF
SWITCH.
Perform __AIRBAG VERIFICATION TEST - VER 1.
119
AIRBAG