Dodge Dakota (ND). Manual — part 91
C1009–BRAKE FLUID LEVEL LOW (340) (CONTINUED)
6.
WIRING HARNESS INSPECTION
Turn the ignition off.
Visually inspect the related wiring harness. Look for any chafed, pierced, pinched, or partially broken wires.
Visually inspect the related wire harness connectors. Look for broken, bent, pushed out, or corroded terminals.
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
C100A-LEFT FRONT WHEEL SPEED SENSOR CIRCUIT (340)
ND
BRAKES - ABS ELECTRICAL DIAGNOSTICS
5 - 135
C100A-LEFT FRONT WHEEL SPEED SENSOR CIRCUIT (340) (CONTINUED)
For a complete wiring diagram Refer to Section 8W.
•
When Monitored:
With the ignition on and no system under voltage or over voltage condition present.
•
Set Condition:
If the measured wheel speed sensor feedback voltage is less than .304 volts, the sensor is considered open.
If the measured wheel speed sensor feedback voltage is greater than 1.39 volts, or if a sensor over current
condition is detected, the sensor is considered shorted.
If a shorted or open condition is present for more than 100 msec, the DTC will set.
Possible Causes
INTERMITTENT LEFT FRONT WHEEL SPEED SENSOR DTC
(B9) LEFT FRONT WHEEL SPEED SENSOR SUPPLY CIRCUIT SHORT TO GROUND
(B8) LEFT FRONT WHEEL SPEED SENSOR SIGNAL CIRCUIT SHORT TO GROUND
(B9) LEFT FRONT WHEEL SPEED SENSOR SUPPLY CIRCUIT OPEN
(B8) LEFT FRONT WHEEL SPEED SENSOR SIGNAL CIRCUIT OPEN
(B9) LEFT FRONT WHEEL SPEED SENSOR SUPPLY CIRCUIT SHORTED TO VOLTAGE
(B8) LEFT FRONT WHEEL SPEED SENSOR SIGNAL CIRCUIT SHORTED TO VOLTAGE
(B9) LEFT FRONT WHEEL SPEED SENSOR SUPPLY CIRCUIT SHORTED TO THE (B8) LEFT FRONT WHEEL
SPEED SENSOR SIGNAL CIRCUIT
TONE WHEEL
EXCESSIVE LEFT FRONT WHEEL SPEED SENSOR AIR GAP
WHEEL BEARING
LEFT FRONT WHEEL SPEED SENSOR
ANTI-LOCK BRAKE MODULE
Diagnostic Test
1.
DTC IS ACTIVE
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.
Is the status Active for this DTC?
Yes
>> Go To 2
No
>> Go To 15
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BRAKES - ABS ELECTRICAL DIAGNOSTICS
ND
C100A-LEFT FRONT WHEEL SPEED SENSOR CIRCUIT (340) (CONTINUED)
2.
WHEEL SPEED SENSOR INSPECTION
Turn the ignition off.
Inspect the Wheel Speed Sensor for proper mounting.
Inspect the Wheel Speed Sensor harness and connector.
Inspect the Wheel Speed Sensor for excessive debris on the sensor.
Were any problems found?
Yes
>> Repair as necessary in accordance with the Service Information.
Perform ABS VERIFICATION TEST - VER 1. (Refer to 5 - BRAKES/ELECTRICAL - DIAGNOSIS AND
TESTING)
No
>> Go To 3
3.
TONE WHEEL DAMAGED/MISSING
Inspect the Tone Wheel in accordance with the Service Information.
NOTE: The Tone Wheel Teeth should be perfectly square, not bent or nicked.
Were any problems found?
Yes
>> Replace the Tone Wheel in accordance with the Service Information.
Perform ABS VERIFICATION TEST - VER 1. (Refer to 5 - BRAKES/ELECTRICAL - DIAGNOSIS AND
TESTING)
No
>> Go To 4
4.
EXCESSIVE WHEEL SPEED SENSOR AIR GAP
Measure the Wheel Speed Sensor Air Gap in accordance with the Service Information.
Were any problems found?
Yes
>> Repair as necessary in accordance with the Service Information.
Perform ABS VERIFICATION TEST - VER 1. (Refer to 5 - BRAKES/ELECTRICAL - DIAGNOSIS AND
TESTING)
No
>> Go To 5
5.
WHEEL BEARING LOOSE/BINDING
Inspect the wheel bearings for excessive run out or improper clearance in accordance with the Service Information.
Were any problems found?
Yes
>> Repair as necessary in accordance with the Service Information.
Perform ABS VERIFICATION TEST - VER 1. (Refer to 5 - BRAKES/ELECTRICAL - DIAGNOSIS AND
TESTING)
No
>> Go To 6
ND
BRAKES - ABS ELECTRICAL DIAGNOSTICS
5 - 137
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