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Home >> Chrysler >> 2001 >> Sebring LX, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different car >> Section 15 (Chassis Diagnostic Procedures - Anti-Lock Brake System) >> Diagnostic Information And Procedures >> Brakes (25E) - Symptoms >> Symptom List: LEFT FRONT WHEEL SPEED SENSOR CIRCUIT; LEFT REAR WHEEL SPEED SENSOR CIRCUIT; RIGHT FRONT WHEEL SPEED SENSOR CIRCUIT; RIGHT REAR WHEEL SPEED SENSOR CIRCUIT >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2005 Dodge Stratus and 2005 Chrysler Sebring. However, it is still accessible from the selected car via links, so may be relevant.

INTERMITTENT CONDITION

WHEEL SPEED SENSOR OR CONNECTOR DAMAGE

WHEEL SPEED SENSOR SIGNAL CIRCUIT FAULT

WHEEL SPEED SENSOR 12 VOLT SUPPLY CIRCUIT SHORT TO GROUND

WHEEL SPEED SENSOR 12 VOLT SUPPLY CIRCUIT OPEN

WHEEL SPEED SENSOR SIGNAL CIRCUIT SHORT TO GROUND

WHEEL SPEED SENSOR SIGNAL CIRCUIT OPEN

ABM - 12 VOLT SUPPLY CIRCUIT FAULT

ABM - SIGNAL CIRCUIT FAULT

WHEEL SPEED SENSOR 12 VOLT SUPPLY SHORT TO GROUND

WHEEL SPEED SENSOR SIGNAL CIRCUIT INOPERATIVE

INTERMITTENT CONDITION CHART

TEST ACTION APPLICABILITY
1 Turn the ignition on.
With the DRBIII®, read DTCs.
With the DRBIII®, read and record Freeze Frame information.
With the DRBIII®, erase DTCs.
Turn the ignition off.
Turn the ignition on.
With the DRBIII®, read DTCs.
NOTE: The ABM must sense all four wheels at 25km/h (15 mph) before it will extinguish the ABS indicators.

Does the DRBIII® display WHEEL SPEED SENSOR CIRCUIT?
Yes --> Go To 2
No --> Go To 13		 All
2 Turn the ignition off.
Inspect the ABM connector, affected Wheel Speed Sensor, and affected Wheel Speed Sensor connector.
Is the affected Wheel Speed Sensor or any of the connector(s) damaged?
Yes --> Repair as necessary.
Perform ABS VERIFICATION TEST - VER 1 .
No --> Go To 3		 All
3 Turn the ignition off.
Disconnect the affected Wheel Speed Sensor connector.
NOTE: Check connector - Clean/repair as necessary.

Turn the ignition on.
Measure the voltage between affected Wheel Speed Sensor 12 Volt Supply circuit and ground.
Is the voltage above 10 volts?
Yes --> Go To 6
No --> Go To 4		 All
4 Turn the ignition off.
Disconnect the ABM harness connector.
Disconnect the affected Wheel Speed Sensor connector.
Using a 12-volt test light connected to 12-volts, probe the affected Wheel Speed Sensor 12 Volt Supply circuit.
Does the test light illuminate?
Yes --> Repair the affected Wheel Speed Sensor 12 Volt Supply circuit for a short to ground.
Perform ABS VERIFICATION TEST - VER 1 .
No --> Go To 5		 All
5 Turn the ignition off.
Disconnect the ABM harness connector.
Disconnect the affected Wheel Speed Sensor connector.
Connect a jumper wire between affected Wheel Speed Sensor 12 Volt Supply circuit and ground.
Using a 12-volt test light connected to 12-volts, probe the affected Wheel Speed Sensor 12 Volt Supply circuit.
Does the test light illuminate?
Yes --> Go To 6
No --> Repair the affected Wheel Speed Sensor 12 Volt Supply circuit for an open.
Perform ABS VERIFICATION TEST - VER 1 .		 All
6 Turn the ignition off.
Disconnect the affected Wheel Speed Sensor connector.
NOTE: Check connector - Clean/repair as necessary.

Turn the ignition on.
Measure the voltage between affected Wheel Speed Sensor Signal circuit and ground.
Is the voltage above 1 volt?
Yes --> Repair the affected Wheel Speed Sensor Signal circuit for a short to voltage.
Perform ABS VERIFICATION TEST - VER 1 .
No --> Go To 7		 All
7 Turn the ignition off.
Disconnect the ABM harness connector.
Disconnect the affected Wheel Speed Sensor connector.
Using a 12-volt test light connected to 12-volts, probe the affected Wheel Speed Sensor Signal circuit.
Does the test light illuminate?
Yes --> Repair the affected Wheel Speed Sensor Signal circuit for a short to ground.
Perform ABS VERIFICATION TEST - VER 1 .
No --> Go To 8		 All
8 Turn the ignition off.
Disconnect the ABM harness connector.
Disconnect the affected Wheel Speed Sensor connector.
Connect a jumper wire between affected Wheel Speed Sensor Signal circuit and ground.
Using a 12-volt test light connected to 12-volts, probe the affected Wheel Speed Sensor Signal circuit.
Does the test light illuminate?
Yes --> Go To 9
No --> Repair the affected Wheel Speed Sensor Signal circuit for an open.
Perform ABS VERIFICATION TEST - VER 1 .		 All
9 Turn the ignition off.
Remove the ABM harness strain relief to access wires.
Reconnect the ABM harness connector.
Turn the ignition on.
Measure the voltage between affected Wheel Speed Sensor 12 Volt Supply circuit and ground.
Is the voltage above 10 volts?
Yes --> Go To 10
No --> Replace the Anti-Lock Brake Module in accordance with the Service Information.
Perform ABS VERIFICATION TEST - VER 1 .		 All
10 Turn the ignition off.
Remove the ABM harness strain relief to access wires.
Reconnect the ABM harness connector.
Turn the ignition on.
Measure the voltage between affected Wheel Speed Sensor 12 Volt Supply circuit and affected Wheel Speed Sensor Signal circuit.
Is the voltage above 10 volts?
Yes --> Go To 11
No --> Replace the Anti-Lock Brake Module in accordance with the Service Information.
Perform ABS VERIFICATION TEST - VER 1 .		 All
11 Turn the ignition off.
Reconnect ALL affected Wheel Speed Sensor circuit connectors.
Disconnect the affected Wheel Speed Sensor connector.
Turn the ignition on.
Measure the voltage of the affected Wheel Speed Sensor 12 Volt Supply circuit in the affected Wheel Speed Sensor connector while reconnecting the sensor connector.
Did the affected Wheel Speed Sensor 12 Volt Supply circuit drop voltage to 0 DC volts?
Yes --> Replace the affected Wheel Speed Sensor in accordance with the Service Information.
Perform ABS VERIFICATION TEST - VER 1 .
No --> Go To 12		 All
12 Turn the ignition off.
Reconnect ALL affected Wheel Speed Sensor circuit connectors.
Turn the ignition on.
Measure the DC voltage of the Wheel Speed Sensor Signal circuit in the affected Wheel Speed Sensor connector.
Slowly rotate the wheel.
Does the DC voltage toggle between 1.6 volts to.8 volts?
Yes --> Go To 13
No --> Replace the affected Wheel Speed Sensor in accordance with the Service Information.
Perform ABS VERIFICATION TEST - VER 1 .		 All
13 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 Hotline letters or Technical Service Bulletins that may apply.
Were any problems found?
Yes --> Repair as necessary.
Perform ABS VERIFICATION TEST - VER 1 .
No --> Test Complete.		 All
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