Dodge Dakota (R1). Manual — part 110
Symptom:
*ABS WARNING INDICATOR
POSSIBLE CAUSES
CLUSTER DTC PRESENT
INSTRUMENT CLUSTER BULB CONCERN
CAB DTC PRESENT
INSTRUMENT CLUSTER INTERNAL CONCERN
TEST
ACTION
APPLICABILITY
1
Turn the ignition on.
With the DRBIII
t, read DTCs.
Are there any Instrument Cluster DTCs present?
All
Yes
→
Refer to the INSTRUMENT CLUSTER category for the related
symptom(s).
Perform ABS VERIFICATION TEST - VER 1.
No
→
2
Turn the ignition off.
Observe the instrument cluster indicators.
Turn the ignition on.
Did the ABS Indicator illuminate for several seconds?
All
Yes
→
No
→
Replace the Instrument Cluster in accordance with the Service
Information.
Perform ABS VERIFICATION TEST - VER 1.
3
Turn the ignition on.
NOTE: The DRBIII
t communication with the CAB must be operational for
the result of this test to be valid.
With the DRBIII
t, read DTCs.
Are there any CAB DTCs present?
All
Yes
→
Refer to BRAKES category for the related symptom(s).
Perform ABS VERIFICATION TEST - VER 1.
No
→
4
If there are no possible causes remaining, view repair.
All
Repair
Replace the Instrument Cluster in accordance with the Service
Information.
Perform ABS VERIFICATION TEST - VER 1.
59
BRAKES (CAB)
Symptom:
*DRBIII NO RESPONSE MESSAGE
POSSIBLE CAUSES
CHECK COMMUNICATION TO MIC
CAB-- INTERNAL FAULT
TEST
ACTION
APPLICABILITY
1
Turn the ignition on.
With the DRBIII
t, attempt to communicate with the MIC
Was the DRB able to I/D or communicate with the MIC?
All
Yes
→
No
→
Refer to the Communication category and perform the symptom
Bus +/- Signals Open from the Controller Anti-Lock Brake.
Perform ABS 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 Controller Antilock Brake in accordance with the
Service Information. Refer to the symptom *Replacing the Con-
troller Antilock Brake for additional information.
Perform ABS VERIFICATION TEST - VER 1.
No
→
Test Complete.
60
BRAKES (CAB)
Symptom:
*REPLACING THE CONTROLLER ANTILOCK BRAKE
POSSIBLE CAUSES
REPLACING THE CAB
TEST
ACTION
APPLICABILITY
1
Note: You must call STAR to recieve a new CAB.
Note: Failure to properly program the replacement CAB will result in a
blinking ABS indicator.
Turn the ignition off.
Replace the CAB.
With the DRBIII
t, check the Tire Size and Rear Axle Type.
If the DRBIII
t display’s the Tire size and Axle ratio, use the DRBIIIt select: MISC
then MODULE REPLACEMENT.
If the DRBIII
t does not display Tire Size and Rear Axle Type, use the DRBIIIt select:
MISC then SET PINION FACTOR.
Inspect rear tires to determine tire sizes.
Note: If the vehicle does not have production size tires listed on the DRBIII
t
menu screen, install Production Size tires on the vehicle.
Determine which rear axle type, not the axle ratio, is used on this vehicle.
NOTE: To identify the proper axle on the vehicle, refer to Component
Location in Chassis Diagnostic Procedures or Service Information on
MDS2.
Ignition on, engine not running.
With the DRBIII
t, program the correct tire size and rear axle type.
Road test the vehicle above 48 Km/h (30 mph) for at least two minutes. Check for any
DTC’s.
Did any DTC’s set during the road test?
All
Yes
→
Refer to the Symptom List for further diagnostic tests.
Perform ABS VERIFICATION TEST - VER 1.
No
→
2
Turn the ignition off.
Connect all previously disconnected components and connectors.
Ensure all accessories are turned off and the battery is fully charged.
Ensure that the Ignition is on, and with the DRBIII, erase all Diagnostic Trouble
Codes from ALL modules. Start the engine and allow it to run for 2 minutes and fully
operate the system that was malfunctioning.
Turn the ignition off and wait 5 seconds. Turn the ignition on and using the DRBIII,
read DTC’s from ALL modules.
If any Diagnostic Trouble Codes are present, return to Symptom list and troubleshoot
new or recurring symptom.
If there are no DTC’s present after turning ignition on, road test the vehicle for at
least 5 minutes. Perform several antilock braking stops.
Caution: Ensure braking capability is available before road testing.
Again, with the DRBIII
t read DTC’s. If any DTC’s are present, return to Symptom
list.
If there are no Diagnostic Trouble Codes (DTC’s) present, and the customer’s concern
can no longer be duplicated, the repair is complete.
Are any DTC’s present or is the original concern still present?
All
Yes
→
Test Complete.
No
→
Test Complete.
61
BRAKES (CAB)
Symptom:
*VEHICLE SPEED SIGNAL OUTPUT
POSSIBLE CAUSES
CONTROLLER ANTILOCK BRAKE DTC’S PRESENT
INTERMITTENT VEHICLE SPEED SIGNAL
VEHICLE SPEED SIGNAL CIRCUIT SHORTED OR OPEN
CAB- NO SPEED SIGNAL OUTPUT
PCM- CAN’T READ VEHICLE SPEED SIGNAL
TEST
ACTION
APPLICABILITY
1
Turn the ignition on.
With the DRB III read DTC’s.
Is the Good Trip Counter for P-0500 displayed and Equal to 0?
All
Yes
→
No
→
2
Turn the ignition on.
With the DRBIII
t, read DTCs.
Check for Controller Antilock Brake DTC’s.
Are any CAB DTC’s present?
All
Yes
→
Repair all Controller Antilock Brake DTC’s before proceeding.
No
→
3
Turn the ignition off.
Disconnect the Powertrain Control Module harness connectors.
Disconnect the CAB connector.
Check the Vehicle Speed Signal circuit for a short to B+, short to ground and for an
open.
Is the Vehicle Speed Signal circuit OK?
All
Yes
→
No
→
Repair the open Vehicle Speed Signal circuit for a short or an
open.
Perform ABS VERIFICATION TEST - VER 1.
4
Turn ignition off.
Disconnect the CAB connector.
Connect a jumper wire to the Vehicle Speed Signal circuit in the CAB harness
connector.
Turn ignition on.
Quickly and repeatedly tap the jumper wire to ground.
With the DRBIII
t read the Vehicle Speed Signal display.
Is the DRBIII
t reading Vehicle Speed above 0 MPH?
All
Yes
→
Replace the Controller Antilock Brake in accordance with the
Service Information. Refer to the symptom *Replacing the Con-
troller Antilock Brake for additional information..
Perform ABS VERIFICATION TEST - VER 1.
No
→
62
BRAKES (CAB)
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