Dodge Ram 2004, Service Manual

Page: 127 / 642

Symptom:
PASSENGER AIRBAG ON-OFF SWITCH OPEN
When Monitored and Set Condition:
PASSENGER AIRBAG ON-OFF SWITCH OPEN
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 an open or high resistance on the PAB
MUX Switch Sense circuit or PAB MUX Switch Return circuit.
POSSIBLE CAUSES
CHECKING EQUIPMENT
SWITCH DISCONNECTED
PAB ON - OFF SWITCH OPEN
PASSENGER AIRBAG MUX SWITCH CIRCUIT OPEN
ACM, PASSENGER ON - OFF SWITCH CIRCUIT OPEN
STORED CODE OR INTERMITTENT CONDITION
ACTIVE CODE PRESENT
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
Go To 7
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.
113
AIRBAG