Dodge Dakota (R1). Manual — part 29
TEST
ACTION
APPLICABILITY
5
If there are no possible causes remaining, view repair.
All
Repair
Replace the Instrument Cluster.
Perform BODY VERIFICATION TEST - VER 1.
113
CHIME
*CHIME SOUNDS WITH DRIVER SEAT BELT FASTENED —
Continued
Symptom:
*CHIME SOUNDS WITH DRIVER’S DOOR OPEN, KEY REMOVED
POSSIBLE CAUSES
OPERATION OF EXTERIOR OR INTERIOR LIGHTING SYSTEM
KEY-IN IGNITION SWITCH SHORTED
KEY-IN IGNITION SW SENSE SHORT TO GROUND
CENTRAL TIMER MODULE - KEY-IN IGNITION SHORTED
TEST
ACTION
APPLICABILITY
1
Verify proper operation of the Exterior and Interior Lamps.
Did the lamps operate properly?
All
Yes
→
No
→
Refer to symptom list for problems related to Exterior or Interior
Lighting.
Perform BODY VERIFICATION TEST - VER 1.
2
Disconnect the Ignition Switch connector.
Did the chime turn off?
All
Yes
→
Replace the Ignition Switch.
Perform BODY VERIFICATION TEST - VER 1.
No
→
3
Turn ignition off.
Disconnect the Ignition Switch connector.
Disconnect the Central Timer Module C1 connector.
Measure the resistance of the Key-in Ignition Switch Sense circuit to ground.
Is the resistance below 100.0 ohms?
All
Yes
→
Repair the Key-In Ignition Switch Sense wire for a short to
ground..
Perform BODY VERIFICATION TEST - VER 1.
No
→
4
If there are no possible causes remaining, view repair.
All
Repair
Replace the Central Timer Module.
Perform BODY VERIFICATION TEST - VER 1.
114
CHIME
Symptom:
ACM MESSAGES NOT RECEIVED
POSSIBLE CAUSES
ATTEMPT TO COMMUNICATE WITH THE AIRBAG CONTROL MODULE
CENTRAL TIMER MODULE
TEST
ACTION
APPLICABILITY
1
Turn the ignition on.
With the DRB, attempt to communicate with the ACM.
Was the DRB able to I/D or communicate with the ACM?
All
Yes
→
No
→
Refer to the Communication category for the related symptom.
Perform BODY VERIFICATION TEST - VER 1.
2
With the DRB, erase DTC’s.
Turn the ignition on and wait approximately 1 minute.
With the DRB, read DTC’s.
Did this DTC reset?
All
Yes
→
Replace the Central Timer Module.
Perform BODY VERIFICATION TEST - VER 1.
No
→
Test Complete.
115
COMMUNICATION
Symptom List:
BUS SHORTED TO BATTERY
BUS SHORTED TO GROUND
Test Note:
All symptoms listed above are diagnosed using the same tests.
The title for the tests will be BUS SHORTED TO BATTERY.
When Monitored and Set Condition:
BUS SHORTED TO BATTERY
When Monitored:
Continuously
Set Condition:
Anytime the CTM detects a short to battery on the PCI Bus circuit.
BUS SHORTED TO GROUND
When Monitored:
Continuously
Set Condition:
Anytime the CTM detects a short to ground on the PCI Bus circuit.
POSSIBLE CAUSES
INTERMITTENT CONDITION
TEST
ACTION
APPLICABILITY
1
NOTE: For this code to be active, the DRB will not be able to communicate
with any modules on the vehicle (except the PCM).
NOTE: If this code is set and active it will be necessary to perform the PCI
Bus Communication Failure symptom.
WARNING: WHEN THE ENGINE IS OPERATING, DO NOT STAND IN A
DIRECT LINE WITH THE FAN. DO NOT PUT YOUR HANDS NEAR THE
PULLEYS, BELTS OR FAN. DO NOT WEAR LOOSE CLOTHING.
NOTE: The conditions that set the DTC are not present at this time. The
following list may help in identifying the intermittent condition.
With the engine running at normal operating temperature, wiggle the wiring
harnesses. This is to try and duplicate the complete bus failure condition.
Refer to any Technical Service Bulletins (TSB) that may apply.
Visually inspect the related wiring harness. Look for any chafed, pierced, pinched, or
partially broken wires.
Visually inspect the related wiring harness connectors. Look for broken, bent, pushed
out, or corroded terminals.
Were any of the above conditions present?
All
Yes
→
Repair as necessary
Perform BODY VERIFICATION TEST - VER 1.
No
→
Test Complete.
116
COMMUNICATION
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