Dodge Durango (HB). Manual — part 95
C102B–RIGHT REAR WHEEL SPEED SENSOR CIRCUIT
HB
BRAKES - ABS ELECTRICAL DIAGNOSTICS
5 - 159
C102B–RIGHT REAR WHEEL SPEED SENSOR CIRCUIT (CONTINUED)
For the Anti-Lock Brake System circuit diagram. (Refer to 5 - BRAKES - SCHEMATICS AND DIAGRAMS)
For a complete wiring diagram Refer to Section 8W.
•
When Monitored:
With the ignition on.
•
Set Condition:
When the Right Rear Wheel Speed Sensor circuit fails the diagnostic test.
Possible Causes
CONNECTOR/TERMINAL DAMAGE
(B2) RIGHT REAR WSS SUPPLY CIRCUIT SHORTED TO GROUND OR OPEN
(B1) RIGHT REAR WSS SIGNAL CIRCUIT SHORTED TO VOLTAGE, GROUND, OR OPEN
(B1) RIGHT REAR WSS SIGNAL CIRCUIT AND (B2) RIGHT REAR WSS SUPPLY CIRCUIT SHORTED
TOGETHER
RIGHT REAR WSS - INTERNAL FAULT
ANTI-LOCK BRAKE MODULE - INTERNAL FAULT
Diagnostic Test
1.
CHECK FOR DTC C102B–RIGHT REAR WHEEL SPEED SENSOR CIRCUIT
NOTE: This DTC must be active for the results of this test to be
valid.
Turn the ignition on.
With the scan tool, record and erase DTC’s.
Cycle the ignition switch from off to on.
With the scan tool, read DTC’s
Does the scan tool display: C102B–RIGHT REAR WHEEL
SPEED SENSOR CIRCUIT?
Yes
>> Go To 2
No
>> Refer to the INTERMITTENT CONDITION diagnostic pro-
cedure.
Perform ABS VERIFICATION TEST - VER 1.
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BRAKES - ABS ELECTRICAL DIAGNOSTICS
HB
C102B–RIGHT REAR WHEEL SPEED SENSOR CIRCUIT (CONTINUED)
2.
CHECK CONNECTOR/TERMINAL FOR DAMAGE
NOTE: Check all terminals for broken, bent, pushed out, or cor-
roded terminals.
Turn the ignition off.
Inspect the Anti-Lock Brake Module harness connector, Right Rear
WSS, and Right Rear WSS harness connector.
Is the Right Rear WSS or any of the connectors/terminals dam-
aged?
Yes
>> Repair as necessary.
Perform ABS VERIFICATION TEST - VER 1.
No
>> Go To 3
3.
CHECK (B2) RIGHT REAR WSS SUPPLY CIRCUIT VOLTAGE
Turn the ignition off.
Disconnect the Right Rear WSS harness connector.
Turn the ignition on.
Measure the voltage between the (B2) Right Rear WSS Supply circuit
and ground.
Is the voltage above 10 volts?
Yes
>> Go To 6
No
>> Go To 4
HB
BRAKES - ABS ELECTRICAL DIAGNOSTICS
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C102B–RIGHT REAR WHEEL SPEED SENSOR CIRCUIT (CONTINUED)
4.
CHECK (B2) RIGHT REAR WSS SUPPLY CIRCUIT SHORT TO GROUND
Turn the ignition off.
Disconnect the Anti-Lock Brake Module harness connector.
Disconnect the Right Rear WSS harness connector.
Using a 12-volt test light connected to 12-volts, probe the (B2) Right
Rear WSS Supply circuit.
Does the test light illuminate brightly?
Yes
>> Repair the (B2) Right Rear WSS Supply circuit for a short
to ground.
Perform ABS VERIFICATION TEST - VER 1.
No
>> Go To 5
5.
CHECK (B2) RIGHT REAR WSS SUPPLY CIRCUIT OPEN
Turn the ignition off.
Disconnect the Anti-Lock Brake Module harness connector.
Disconnect the Right Rear WSS harness connector.
Connect a jumper wire between the (B2) Right Rear WSS Supply cir-
cuit and ground.
Using a 12-volt test light connected to 12-volts, probe the (B2) Right
Rear WSS Supply circuit.
Does the test light illuminate brightly
Yes
>> Go To 6
No
>> Repair the (B2) Right Rear WSS Supply circuit for an
open.
Perform ABS VERIFICATION TEST - VER 1.
6.
CHECK (B1) RIGHT REAR WSS SIGNAL CIRCUIT SHORT TO VOLTAGE
Turn the ignition off.
Disconnect the Right Rear WSS harness connector.
Turn the ignition on.
Measure the voltage between the (B1) Right Rear WSS Signal circuit
and ground.
Is the voltage above one volt?
Yes
>> Repair the (B1) Right Rear WSS Signal circuit for a short
to voltage.
Perform ABS VERIFICATION TEST - VER 1.
No
>> Go To 7
5 - 162
BRAKES - ABS ELECTRICAL DIAGNOSTICS
HB
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