Dodge Dakota (R1). Manual — part 70
Symptom:
*ALARM TRIPS ON ITS OWN
POSSIBLE CAUSES
INVALID INPUT TO CENTRAL TIMER MODULE
INTERMITTENT CONDITION
TEST
ACTION
APPLICABILITY
1
With the DRBIII
t, read the LAST VTSS CAUSED status.
Were there any causes displayed?
All
Yes
→
Refer to symptom list for problems related to the component
indicated by the DRBIII
t.
No
→
The condition that caused this symptom is currently not present.
Inspect the related wiring harness for a possible intermittent
condition. Look for any chafed, pierced, pinched or partially
broken wires.
Perform VTSS VERIFICATION TEST - 1A.
277
VEHICLE THEFT/SECURITY
Symptom:
*DRIVER DOOR DOES NOT TRIP VTSS
POSSIBLE CAUSES
DRIVER DOOR AJAR CIRCUIT MALFUNCTION
CENTRAL TIMER MODULE - INTERNAL MALFUNCTION
TEST
ACTION
APPLICABILITY
1
With the DRBIII
t, read the DRVR DOOR AJAR SW status.
Open the driver door.
Does the DRBIII
t display CLOSED?
All
Yes
→
Replace the Central Timer Module.
Perform VTSS VERIFICATION TEST - 1A.
No
→
Refer to symptom DRIVER DOOR AJAR CIRCUIT OPEN in the
DOOR AJAR section.
278
VEHICLE THEFT/SECURITY
Symptom:
*HEADLAMPS FAIL TO FLASH WHEN ALARM IS TRIPPED
POSSIBLE CAUSES
LOW BEAM HEADLAMP MALFUNCTION
CENTRAL TIMER MODULE - INTERNAL MALFUNCTION
TEST
ACTION
APPLICABILITY
1
Turn the Low Beam Headlamps on.
Do the Low Beam Headlamps operate properly?
All
Yes
→
Replace the Central Timer Module.
Perform VTSS VERIFICATION TEST - 1A.
No
→
Refer to the appropriate Service Information to repair the low
beam headlamps.
279
VEHICLE THEFT/SECURITY
Symptom:
*HORN FAILS TO SOUND WHEN ALARM IS TRIPPED
POSSIBLE CAUSES
INOPERATIVE HORNS
HORN RELAY CONTROL CIRCUIT OPEN
CENTRAL TIMER MODULE - INTERNAL MALFUNCTION
TEST
ACTION
APPLICABILITY
1
Push the Horn Button on the Steering Wheel.
Does the Horn operate properly?
All
Yes
→
No
→
Check for and diagnose related Central Timer Module Diagnostic
Trouble Codes. If there are no DTCs present, refer to the Service
Information to diagnose the horn system.
2
Disconnect the CTM harness connector.
Connect a jumper wire between Horn Relay Control circuit and ground.
Does the horn sound?
All
Yes
→
Replace the Central Timer Module.
Perform VTSS VERIFICATION TEST - 1A.
No
→
Repair the Horn Relay Control circuit for an open.
Perform VTSS VERIFICATION TEST - 1A.
280
VEHICLE THEFT/SECURITY
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