Dodge Dakota (ND). Manual — part 109
C1079-TONE WHEEL TEETH COUNT RANGE PERFORMANCE (340)
For a complete wiring diagram Refer to Section 8W.
•
When Monitored:
Ignition on.
•
Set Condition:
The DTC will set if the stored tone wheel tooth count is out of range.
Possible Causes
TONE RING/AXLE SIZE MISMATCH
ANTI-LOCK BRAKE MODULE
Diagnostic Test
1.
TONE RING/AXLE SIZE MISMATCH
Turn the ignition on.
With the scan tool, determine the axle size that is programmed into the Anti-lock Brake Module.
Inspect and identify the vehicle axle size.
Compare the axle size programmed into the Anti-lock Brake Module, and the actual axle size installed into the vehi-
cle.
Does the programmed axle size match the installed axle?
Yes
>> Replace the Anti-lock Brake Module in accordance with the Service Information. Refer to the symptom
*Replacing the Anti-lock Brake Module for additional information.
Perform ABS VERIFICATION TEST - VER 1. (Refer to 5 - BRAKES/ELECTRICAL - DIAGNOSIS AND
TESTING)
No
>> Reprogram the Anti-lock Brake Module in accordance with the Service Information.
Perform ABS VERIFICATION TEST - VER 1. (Refer to 5 - BRAKES/ELECTRICAL - DIAGNOSIS AND
TESTING)
5 - 206
BRAKES - ABS ELECTRICAL DIAGNOSTICS
ND
C1239-EMISSION ROLLS TEST ACTIVE (340)
For a complete wiring diagram Refer to Section 8W.
•
When Monitored:
Continuously with the ignition on and no BUS communication failure DTCs present.
•
Set Condition:
If the Anti-lock Brake Module receives two messages in a row indicating that the extended diagnostic session
is active. ABS is inhibited during the extended diagnostic session.
Possible Causes
CAN COMMUNICATION DTCS(S) PRESENT
ANTI-LOCK BRAKE MODULE
Diagnostic Test
1.
DTC IS PRESENT
NOTE: Ensure the battery is fully charged.
Turn the ignition on.
With the scan tool clear DTCs.
Turn the ignition off.
Turn the ignition on.
With the scan tool select View DTCs in the Anti-lock Brake Module.
Is the status Active for this DTC?
Yes
>> Go To 2
No
>> Go To 3
2.
ANTI-LOCK BRAKE MODULE
Turn the ignition on.
With the scan tool, select View DTCs in each module on the CAN B BUS and the CAN C BUS.
Are there CAN BUS communication DTCs present in any other module?
Yes
>> Perform the appropriate diagnostic procedure before continuing with this test.
Perform ABS VERIFICATION TEST - VER 1. (Refer to 5 - BRAKES/ELECTRICAL - DIAGNOSIS AND
TESTING)
No
>> Replace the Anti-lock Brake Module in accordance with the Service Information.
Perform ABS VERIFICATION TEST - VER 1. (Refer to 5 - BRAKES/ELECTRICAL - DIAGNOSIS AND
TESTING)
ND
BRAKES - ABS ELECTRICAL DIAGNOSTICS
5 - 207
C1239-EMISSION ROLLS TEST ACTIVE (340) (CONTINUED)
3.
INTERMITTENT COMMUNICATION DTC
The condition necessary to set this DTC is not present at this time.
This DTC will set if the Anti-lock Brake Module receives 2 messages in a row from the FCM indicating that the
Emissions Rolls test is active.
With the scan tool, select View DTCs in each of the modules on the CAN B BUS and the CAN C BUS. If there are
any communications DTCs present, perform the appropriate diagnostic procedure.
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.
5 - 208
BRAKES - ABS ELECTRICAL DIAGNOSTICS
ND
C2100-BATTERY VOLTAGE LOW (340)
ND
BRAKES - ABS ELECTRICAL DIAGNOSTICS
5 - 209
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