Dodge Ram. Manual — part 24
Symptom:
MODULE NOT CONFIGURED FOR PAB OFF SWITCH
When Monitored and Set Condition:
MODULE NOT CONFIGURED FOR PAB OFF SWITCH
When Monitored:
When the ACM is not configured for an ON - OFF switch, the ACM
monitors the Passenger Airbag On - Off Switch inputs to determine if a switch is present.
Set Condition:
The code will set, if the ACM detects a Passenger Airbag ON - OFF Switch
connected to the Airbag Control Module.
POSSIBLE CAUSES
INTERMITTENT CODES PRESENT
ACM NOT CONFIGURED FOR PAB OFF SWITCH
ACM, MODULE NOT CONFIGURED FOR PAB OFF SWITCH
PASSENGER AIRBAG INDICATOR DRIVER CIRCUIT SHORT
PAB MUX SWITCH CIRCUIT SHORT TO GROUND
PAB MUX SWITCH CIRCUIT SHORT TOGETHER
ACM, PAB ON - OFF SWITCH CIRCUIT SHORTED
TEST
ACTION
APPLICABILITY
1
Turn the ignition on.
Ensure 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
No problem found at this time.
Perform __AIRBAG VERIFICATION TEST - VER 1.
NOTE: When reconnecting Airbag system components, the ignition must be
turned off and the battery must be disconnected.
2
Inspect vehicle for a Passenger Airbag On - Off Switch located in the center of the
instrument panel.
Is this vehicle equipped with a Passenger Airbag On - OFF Switch?
All
Yes
→ Go To 3
No
→ Go To 4
93
AIRBAG
TEST
ACTION
APPLICABILITY
3
Select Restraints, Airbag and then Miscellaneous from the DRB menu.
Follow instructions to verify the ACM switch configuration.
Does the DRB show Configured for PAB OFF Switch?
All
Yes
→ Go To 9
No
→ Follow instructions on the DRB to reconfigured the Airbag Con-
trol Module to support the Passenger Airbag Switch On - Off
Switch.
Perform __AIRBAG VERIFICATION TEST - VER 1.
4
Inspect vehicle for a Passenger Airbag On - Off Switch wiring at the ACM connector.
NOTE: Some vehicles may have the wiring for the Passenger Airbag Off Switch and
no switch.
Is this vehicle equipped with a Passenger Airbag On - OFF Switch wiring?
All
Yes
→ Go To 5
No
→ Go To 9
5
WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN THE IGNI-
TION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BE-
FORE PROCEEDING.
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 ACM Adaptor to the Airbag Control Module
connector.
Measure the resistance of the PAB Indicator Driver circuit between the ACM Adaptor
and ground.
Is the resistance below 10K ohms?
All
Yes
→ Repair the Passenger Airbag Indicator Driver circuit short to
ground.
Perform __AIRBAG VERIFICATION TEST - VER 1.
No
→ Go To 6
6
Measure the resistance of the PAB MUX Switch Sense circuit between the ACM
Adaptor and ground.
Is the resistance below 10K ohms?
All
Yes
→ Repair the Passenger Airbag MUX Switch Sense circuit short to
ground.
Perform __AIRBAG VERIFICATION TEST - VER 1.
No
→ Go To 7
7
Measure the resistance between the PAB MUX Switch Sense circuit and the PAB
MUX Switch Return circuit at the ACM Adaptor.
Is the resistance below 10K ohms?
All
Yes
→ Repair the Passenger Airbag MUX Switch circuits shorted to-
gether.
Perform __AIRBAG VERIFICATION TEST - VER 1.
No
→ Go To 8
94
AIRBAG
MODULE NOT CONFIGURED FOR PAB OFF SWITCH —
Continued
TEST
ACTION
APPLICABILITY
8
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.
All
Repair
Replace the Airbag Control Module in accordance with Service
Instructions.
Perform __AIRBAG VERIFICATION TEST - VER 1.
9
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.
All
Repair
Replace the Airbag Control Module in accordance with Service
Instructions.
Perform __AIRBAG VERIFICATION TEST - VER 1.
95
AIRBAG
MODULE NOT CONFIGURED FOR PAB OFF SWITCH —
Continued
Symptom:
NO CLUSTER MESSAGE
When Monitored and Set Condition:
NO CLUSTER MESSAGE
When Monitored:
With ignition on, the ACM monitors the PCI Bus for a message from
the MIC containing the airbag warning indicator status. The MIC transmits the message
one time at ignition on, lamp state change, or in response to the ACM message.
Set Condition:
If the MIC message is not received for 10 consecutive seconds, the code
will set.
POSSIBLE CAUSES
MIC, COMMUNICATION FAILURE
ACM, NO CLUSTER MESSAGES
STORED CODE OR INTERMITTENT CONDITION
ACTIVE CODE PRESENT
TEST
ACTION
APPLICABILITY
1
Turn the ignition on.
NOTE: Ensure 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
4
NOTE: When reconnecting Airbag system components, the ignition must be
turned off and the battery must be disconnected.
2
Turn the ignition on.
With the DRBIII
t, ensure PCI Bus communications with the Instrument Cluster.
Is the Instrument Cluster communicating on the PCI Bus?
All
Yes
→ Go To 3
No
→ Refer to category COMMUNICATION CATEGORY and select the
related symptom NO RESPONSE or INSTRUMENT CLUSTER
BUS +/- SIGNAL OPEN.
Perform __AIRBAG VERIFICATION TEST - VER 1.
96
AIRBAG
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