C0037-1D
C0037-1D-LEFT REAR WHEEL SPEED SENSOR - CURRENT OUT OF RANGE
For a complete wiring diagram, refer to the Wiring Information.
- When Monitored:
With the ignition on and no system under voltage or over voltage condition present.
- Set Condition:
When the Left Rear Wheel Speed Sensor circuit fails the diagnostic test.
1. VERIFY THE DTC IS ACTIVE
1. Ignition on, engine not running.
2. With the scan tool, erase DTCs.
3. Cycle the ignition switch from off to on.
4. With the scan tool, select View DTCs.
Is the DTC active at this time?
Yes
- Go To 2
No
- The condition that caused the symptom is currently not present. Inspect the related wiring for a possible intermittent condition. Look for any chafed, pierced, pinched, or partially broken wires.
- Perform the ABS-INTERMITTENT CONDITION TEST. Testing and Inspection.
2. CHECK CONNECTOR/TERMINAL FOR DAMAGE
NOTE: Check all terminals for broken, bent, pushed out, or corroded terminals.
1. Turn the ignition off to the lock position.
2. Inspect the Wheel Speed Sensor for proper mounting.
3. Inspect the Wheel Speed Sensor harness and connector.
4. Inspect the Wheel Speed Sensor for excessive debris on the sensor.
Were any problems found?
Yes
- Repair as necessary.
- Perform the ABS VERIFICATION TEST. ABS Verification Test.
No
- Go To 3
3. CHECK (B4) LEFT REAR WHEEL SPEED SENSOR SUPPLY CIRCUIT VOLTAGE
1. Disconnect the Left Rear Wheel Speed Sensor harness connector.
2. Turn the ignition on.
3. Measure the voltage between the (B4) Left Rear Wheel Speed Sensor Supply circuit and ground.
Is the voltage above 10 volts?
Yes
- Go To 6
No
- Go To 4
4. (B4) LEFT REAR WHEEL SPEED SENSOR SUPPLY CIRCUIT SHORTED TO GROUND
1. Turn the ignition off.
2. Disconnect the ABS Module harness connector.
3. Measure the resistance between the (B4) Left Rear Wheel Speed Sensor Supply circuit and ground.
Is the resistance below 5.0 Ohms?
Yes
- Repair the (B4) Left Rear Wheel Speed Sensor Supply circuit for a short to ground.
- Perform the ABS VERIFICATION TEST. ABS Verification Test.
No
- Go To 5
5. (B4) LEFT REAR WHEEL SPEED SENSOR SUPPLY CIRCUIT OPEN
1. Measure the resistance of the (B4) Left Rear Wheel Speed Sensor Supply circuit between the Left Rear Wheel Speed Sensor harness connector and the ABS harness connector.
Is the resistance below 5 Ohms?
Yes
- Go To 6
No
- Repair the open (B4) Left Rear Wheel Speed Sensor Supply circuit.
- Perform the ABS VERIFICATION TEST. ABS Verification Test.
6. (B3) LEFT REAR WHEEL SPEED SENSOR SIGNAL CIRCUIT SHORTED TO VOLTAGE
1. Turn the ignition on.
2. Measure the voltage of the (B3) Left Rear Wheel Speed Sensor Signal circuit at the Left Rear Wheel Speed Sensor harness connector.
Is there any voltage present?
Yes
- Repair the (B3) Left Rear Wheel Speed Sensor Signal circuit for a short to voltage.
- Perform the ABS VERIFICATION TEST. ABS Verification Test.
No
- Go To 7
7. (B3) LEFT REAR WHEEL SPEED SENSOR SIGNAL CIRCUIT SHORTED TO GROUND
1. Turn the ignition off.
2. Measure the resistance between the (B3) Left Rear Wheel Speed Sensor Signal circuit and ground.
Is the resistance below 5.0 Ohms?
Yes
- Repair the (B3) Left Rear Wheel Speed Sensor Signal circuit for a short to ground.
- Perform the ABS VERIFICATION TEST. ABS Verification Test.
No
- Go To 8
8. (B3) LEFT REAR WHEEL SPEED SENSOR SIGNAL CIRCUIT OPEN
1. Measure the resistance of the (B3) Left Rear Wheel Speed Sensor Signal circuit between the Left Rear Wheel Speed Sensor harness connector and the ABS harness connector.
Is the resistance below 5 Ohms?
Yes
- Go To 9
No
- Repair the open (B3) Left Rear Wheel Speed Sensor Signal circuit.
- Perform the ABS VERIFICATION TEST. ABS Verification Test.
9. (B4) LEFT REAR WHEEL SPEED SENSOR SUPPLY CIRCUIT SHORTED TO THE (B3) LEFT REAR WHEEL SPEED SENSOR SIGNAL CIRCUIT
1. Turn the ignition off to the lock position.
2. Measure the resistance between the (B4) Left Rear Wheel Speed Sensor Supply circuit and the (B3) Left Rear Wheel Speed Sensor Signal circuit at the ABS Module harness connector.
Is the resistance below 5.0 Ohms?
Yes
- Repair (B4) Left Rear Wheel Speed Sensor Supply circuit for a short to the (B3) Left Rear Wheel Speed Sensor Signal circuit.
- Perform the ABS VERIFICATION TEST. ABS Verification Test.
No
- Go To 10
10. LEFT REAR WHEEL SPEED SENSOR
1. Replace the Left Rear Wheel Speed Sensor. Front.
2. Perform the ABS VERIFICATION TEST. ABS Verification Test.
CAUTION: Make sure brake capability is available before road testing.
3. Road test the vehicle over 40 km/h (25 mph).
NOTE: Vehicle must be driven above 40 km/h (25 mph) for set conditions to be meet.
4. With the scan tool, read ABS DTCs.
Is the status Active for this DTC?
Yes
- Replace the Anti-lock Brake System (ABS) Module. Anti-Lock Brake System Module - Removal.
- Perform the ABS VERIFICATION TEST. ABS Verification Test.
No
- Test complete.