Dodge ZB 2005 Service Manual page 1466

Symptom:
PASSENGER AIRBAG ON - OFF SWITCH SHORT TO BATTERY
When Monitored and Set Condition:
PASSENGER AIRBAG ON - OFF SWITCH SHORT TO BATTERY
When Monitored: When the ignition is on, the MUX Switch Sense circuit supplies a 3 to
10 ms pulse every 100 ms across the switch resister to the MUX switch return circuit. Once
the code is active, the ACM will disable the indicator for the duration of the ignition cycle.
Set Condition: The code will set if the ACM senses constant voltage over approximately
4.0 volts on the PAB MUX Switch circuits.
PAB ON-OFF SWITCH CIRCUIT SHORTED
PAB ON-OFF SWITCH SHORT
PAB MUX SWITCH CIRCUITS SHORTED TO BATTERY
ACM, PAB ON-OFF SWITCH CIRCUITS SHORT
STORED CODE OR INTERMITTENT CONDITION
ACTIVE CODE PRESENT
TEST
1 NOTE: Ensure that the battery is fully charged.
Turn the ignition on.
NOTE: For the purpose of this test, the AECM and ORC modules will be
referred to as an ACM.
SELECT ACTIVE or STORED DTC:
ACM - ACTIVE DTC
ACM - STORED DTC
NOTE: When reconnecting Airbag system components, the ignition must be
turned off and the battery must be disconnected.
2 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 & 4 and 2 & 4.
Is the resistance below 10K ohms on either test?
Yes → Replace the Passenger Airbag ON-OFF Switch.
→ Go To 3
No
POSSIBLE CAUSES
ACTION
Go To 2
Go To 6
Perform AIRBAG VERIFICATION TEST - VER 1.
85
AIRBAG
APPLICABILITY
All
All