Dodge Dakota (ND). Manual — part 88
*ABS WARNING INDICATOR (EBC125)
Possible Causes
ANTI-LOCK BRAKE SYSTEM DTC PRESENT
INSTRUMENT CLUSTER
Diagnostic Test
1.
INSTRUMENT CLUSTER ABS INDICATOR
Turn the ignition off.
Observe the ABS indicator lamp.
Turn the ignition on.
Select the appropriate condition for the ABS indicator lamp:
Illuminates for several seconds and turns off
Go To 2
Illuminates continuously
With the scan tool, read DTCs. Perform the appropriate diagnostic procedure.
Perform ABS VERIFICATION TEST - VER 1. (Refer to 5 - BRAKES/ELECTRICAL - DIAGNOSIS AND
TESTING)
Does not illuminate
Replace the Instrument Cluster in accordance with the Service Information.
Perform ABS VERIFICATION TEST - VER 1. (Refer to 5 - BRAKES/ELECTRICAL - DIAGNOSIS AND
TESTING)
2.
ANTI-LOCK BRAKE SYSTEM DTC PRESENT
Turn the ignition on.
With the scan tool, select View DTCs in the Anti-lock Brake Module.
Are there any DTCs present?
Yes
>> Refer to the appropriate diagnostic procedure.
Perform ABS VERIFICATION TEST - VER 1. (Refer to 5 - BRAKES/ELECTRICAL - DIAGNOSIS AND
TESTING)
No
>> Inspect the related wiring harness and connector terminals. Monitor the scan tool parameters while wig-
gle testing the related harness and connectors. Refer to any Technical Service Bulletins (TSB) that may
apply. If no problems are found, test is complete.
Perform ABS VERIFICATION TEST - VER 1. (Refer to 5 - BRAKES/ELECTRICAL - DIAGNOSIS AND
TESTING)
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BRAKES - ABS ELECTRICAL DIAGNOSTICS
ND
*REPLACING THE ANTILOCK BRAKE MODULE (EBC125)
Possible Causes
REPLACING THE ANTI-LOCK BRAKE MODULE
Diagnostic Test
1.
REPLACING THE ANTILOCK BRAKE MODULE
NOTE: Note: It may be necessary to call STAR to order a new ABS module.
NOTE: Note: Failure to properly program the ABS module will result in an illuminated or blinking ABS indi-
cator.
Turn the ignition off.
Replace the Anti-lock Brake Module in accordance with the Service Information.
With the scan tool, perform the module configuration procedures as necessary in accordance with the Service Infor-
mation.
Road test the vehicle above 40 m.p.h. for at least two minutes.
With the scan tool, select View DTCs in the Anti-Lock Brake Module.
Are there any DTCs present?
Yes
>> Perform the appropriate diagnostic procedure(s).
No
>> Test Complete
Perform ABS VERIFICATION TEST - VER 1. (Refer to 5 - BRAKES/ELECTRICAL - DIAGNOSIS AND
TESTING)
ND
BRAKES - ABS ELECTRICAL DIAGNOSTICS
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*VEHICLE SPEED SIGNAL OUTPUT (EBC125)
Possible Causes
INTERMITTENT VEHICLE SPEED SIGNAL
VEHICLE SPEED SIGNAL DTC SET IN POWERTRAIN CONTROL MODULE
ANTI-LOCK BRAKE MODULE DTCS PRESENT
Diagnostic Test
1.
VEHICLE SPEED SIGNAL DTC SET IN PCM
Turn the ignition on.
With the scan tool, select view DTCs in the Powertrain Control Module.
Is the status Active for P0500?
Yes
>> Refer to the Driveability section and perform the appropriate diagnostic procedure.
No
>> Go To 2
2.
ANTI-LOCK BRAKE MODULE DTCS PRESENT
With the scan tool, select view DTCs in the Anti-Lock Brake Module.
Are there any DTCs present in the Anti-lock Brake Module?
Yes
>> Refer to the ABS section and perform the appropriate diagnostic procedure.
Perform ABS VERIFICATION TEST - VER 1. (Refer to 5 - BRAKES/ELECTRICAL - DIAGNOSIS AND
TESTING)
No
>> Go To 3
3.
INTERMITTENT VEHICLE SPEED SIGNAL
At this time, no DTCs are present.
Inspect the related wiring harness. Look for any chafed, pierced, pinched, or partially broken wires.
Inspect the related wire harness connectors. Look for broken, bent, pushed out, or corroded terminals.
Using the schematics as a guide, wiggle test the related circuit(s) while monitoring the scan tool data relative to the
vehicle speed sensor circuit(s). Look for the data to change or for a DTC to set.
Refer to any technical service bulletins that may apply.
Were any problems found?
Yes
>> Repair as necessary.
Perform ABS VERIFICATION TEST - VER 1. (Refer to 5 - BRAKES/ELECTRICAL - DIAGNOSIS AND
TESTING)
No
>> Test Complete.
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BRAKES - ABS ELECTRICAL DIAGNOSTICS
ND
ABS ELECTRICAL DIAGNOSTICS (340)
DIAGNOSIS AND TESTING
ND
BRAKES - ABS ELECTRICAL DIAGNOSTICS
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