Dodge Dakota (R1). Manual — part 5
Symptom:
CLUSTER MESSAGE MISMATCH - ACTIVE
When Monitored and Set Condition:
CLUSTER MESSAGE MISMATCH - ACTIVE
When Monitored:
After the MIC bulb test is completed, the ACM compares the ACM
warning lamp request (On or Off) and the MIC warning lamp state (On or Off) PCI Bus
messages. Each message is transmitted one time per second or when a change in the lamp
state occur
Set Condition:
If the ACM warning lamp request (On or Off) and the MIC warning lamp
state (On or Off) messages do not match for 3 consecutive transmissions, the code will set.
POSSIBLE CAUSES
MIC, CLUSTER MESSAGE MISMATCH
ACM, CLUSTER MESSAGE MISMATCH
TEST
ACTION
APPLICABILITY
1
Note: Ensure communications with the Mechanical Instrument Cluster. If the MIC
does not communicate go to the Symptom List and select NO RESPONSE FROM
MIC.
With the DRBIII
t select PASSIVE RESTRAINTS, AIRBAG and MONITOR DIS-
PLAY.
With the DRBIII
t, read the Warning Lamp Status monitors.
Cycle the ignition key and observe the LAMP ON BY MIC and LAMP REQ BY ACM
monitors for 6 to 8 seconds.
Does the
9LAMP ON BY MIC9 and 9LAMP REQ BY ACM9 monitors match?
All
Yes
→
No
→
Replace instrument cluster circuit board.
Perform BODY VERIFICATION TEST - VER 1.
2
WARNING: TURN THE IGNITION OFF, DISCONNECT THE BATTERY AND
WAIT TWO MINUTES BEFORE PROCEEDING.
WARNING: IF THE AIRBAG CONTROL MODULE IS DROPPED AT ANY
TIME, IT MUST BE REPLACED.
If there are no possible causes remaining, view repair.
All
Repair
Replace the Airbag Control Module in accordance with Service
Instructions. WARNING: make sure the battery is disconnected
and wait 2 minutes before proceeding.
Perform AIRBAG VERIFICATION TEST - VER 1.
NOTE: When reconnecting Airbag system components, the ignition must be
turned off and the battery must be disconnected.
17
AIRBAG
Symptom List:
CLUSTER MESSAGE MISMATCH - STORED
DRIVER SBT CIRCUIT OPEN - STORED
DRIVER SBT CIRCUIT SHORT - STORED
DRIVER SBT SHORT TO BATTERY - STORED
DRIVER SBT SHORT TO GROUND - STORED
DRIVER SQUIB CIRCUIT OPEN - STORED
DRIVER SQUIB CIRCUIT SHORT - STORED
DRIVER SQUIB SHORT TO BATTERY - STORED
DRIVER SQUIB SHORT TO GROUND - STORED
LOSS OF IGNITION RUN ONLY - STORED
LOSS OF IGNITION RUN-START - STORED
NO CLUSTER MESSAGE - STORED
NO PCI TRANSMISSION - STORED
PAB OFF INDICATOR CIRCUIT OPEN OR SHORT TO GROUND -
STORED
PAB OFF INDICATOR CIRCUIT SHORT OR SHORT TO BATTERY -
STORED
PASSENGER AIRBAG ON-OFF SWITCH OPEN - STORED
PASSENGER AIRBAG ON-OFF SWITCH SHORT TO BATTERY -
STORED
PASSENGER AIRBAG ON-OFF SWITCH SHORT TO GROUND -
STORED
PASSENGER SBT CIRCUIT OPEN - STORED
PASSENGER SBT CIRCUIT SHORT - STORED
PASSENGER SBT SHORT TO BATTERY - STORED
PASSENGER SBT SHORT TO GROUND - STORED
PASSENGER SQUIB CIRCUIT OPEN - STORED
PASSENGER SQUIB CIRCUIT SHORT - STORED
PASSENGER SQUIB SHORT TO BATTERY - STORED
PASSENGER SQUIB SHORT TO GROUND - STORED
WARNING LAMP CIRCUIT OPEN - STORED
WARNING LAMP CIRCUIT SHORT - STORED
Test Note:
All symptoms listed above are diagnosed using the same tests.
The title for the tests will be CLUSTER MESSAGE MIS-
MATCH - STORED.
When Monitored and Set Condition:
18
AIRBAG
CLUSTER MESSAGE MISMATCH - STORED
When Monitored:
After the MIC bulb test is completed, the ACM compares the ACM
warning lamp request (On or Off) and the MIC warning lamp state (On or Off) PCI Bus
messages. Each message is transmitted one time per second or when a change in the lamp
state occur
Set Condition:
If the ACM warning lamp request (On or Off) and the MIC warning lamp
state (On or Off) messages do not match for 3 consecutive transmissions, the code will set.
DRIVER SBT CIRCUIT OPEN - STORED
When Monitored:
When the ignition is On, the ACM monitors the resistance of the Driver
Seat Belt Tensioner circuits.
Set Condition:
The ACM has detected an open circuit or high resistance across the Driver
Seat Belt Tensioner circuits.
DRIVER SBT CIRCUIT SHORT - STORED
When Monitored:
When the ignition is on, the ACM monitors the resistance of the Driver
Seat Belt Tensioner circuits.
Set Condition:
The ACM has detected low resistance in the Driver Seat Belt Tensioner
circuits.
DRIVER SBT SHORT TO BATTERY - STORED
When Monitored:
When the ignition is on, the ACM monitors the voltage of the Driver
Seat Belt Tensioner circuits.
Set Condition:
When the ignition is on, the ACM monitors the voltage of the Driver Seat
Belt Tensioner circuits.
DRIVER SBT SHORT TO GROUND - STORED
When Monitored:
When the ignition is on, the ORC monitors the resistance of the Driver
Seat Belt Tensioner circuits for low resistance.
Set Condition:
The ORC has detected a short to ground in the Driver Seat Belt Tensioner
circuits.
DRIVER SQUIB CIRCUIT OPEN - STORED
When Monitored:
When the ignition is on, the ACM monitors the resistance of the Driver
Squib circuits.
Set Condition:
The ACM has detected an open circuit or high resistance in the Driver
Squib circuits.
DRIVER SQUIB CIRCUIT SHORT - STORED
When Monitored:
When the ignition is on, the ACM monitors the resistance of the Driver
Squib circuits.
Set Condition:
The ACM has detected low resistance on the Driver Squib circuits.
19
AIRBAG
CLUSTER MESSAGE MISMATCH - STORED —
Continued
DRIVER SQUIB SHORT TO BATTERY - STORED
When Monitored:
When the ignition is on, the ACM monitors the voltage of the Driver
Squib circuits.
Set Condition:
The ACM has detected high voltage on the Driver Squib circuits.
DRIVER SQUIB SHORT TO GROUND - STORED
When Monitored:
When the ignition is on, the ACM monitors the voltage of the Driver
Squib circuits.
Set Condition:
The ACM has detected a short to ground in the Driver Squib circuits.
LOSS OF IGNITION RUN ONLY - STORED
When Monitored:
With the ignition in the run only position the ACM monitors the Fused
Ignition Switch Output Run Only circuit for proper system voltage.
Set Condition:
If the voltage on the Fused Ignition Switch Output Run Only circuit drops
below approximately 4.5 volts, the code will set.
LOSS OF IGNITION RUN-START - STORED
When Monitored:
With the ignition in the run/start position the ACM monitors the Fused
Ignition Switch Output Run/Start circuit for proper system voltage.
Set Condition:
If the voltage on the Fused Ignition Switch Output Run/Start circuit drops
below approximately 4.5 volts, the code will set.
NO PCI TRANSMISSION - STORED
When Monitored:
With the ignition in the On position and the ACM transmitting
information on the PCI BUS.
Set Condition:
The code will set if the ACM cannot detect the ACM transmitting
information on the PCI BUS for 5 consecutive seconds. NOTE: Any PCI Bus Failure will
cause this code to set.
PAB OFF INDICATOR CIRCUIT OPEN OR SHORT TO GROUND - STORED
When Monitored:
When the ignition is on, the ACM monitors the PAB Indicator Driver
circuit for voltage from the PAB On-Off Switch indicator.
Set Condition:
The code will set if the ACM cannot detect voltage on the PAB Indicator
Driver circuit.
PAB OFF INDICATOR CIRCUIT SHORT OR SHORT TO BATTERY - STORED
When Monitored:
When the ignition is on, the ACM monitors the PAB Indicator Driver
circuit for voltage from the PAB On-Off Switch indicator.
Set Condition:
The code will set if the ACM senses battery voltage on the PAB Indicator
Driver circuit.
20
AIRBAG
CLUSTER MESSAGE MISMATCH - STORED —
Continued
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