DTC C0031-62, C0034-62, C0037-62, C003A-62 (VSA Control Unit)
DTC C0031-62 : Left Front Wheel Speed Sensor Signal Compare Failure DTC C0034-62 : Right Front Wheel Speed Sensor Signal Compare Failure DTC C0037-62 : Left Rear Wheel Speed Sensor Signal Compare Failure DTC C003A-62 : Right Rear Wheel Speed Sensor Signal Compare Failure
NOTE: Before you troubleshoot, review the general troubleshooting information .
| DTC Description | DTC | Freeze Frame |
|---|---|---|
| C0031-62 Left Front Wheel Speed Sensor Signal Compare Failure | ||
| C0034-62 Right Front Wheel Speed Sensor Signal Compare Failure | ||
| C0037-62 Left Rear Wheel Speed Sensor Signal Compare Failure | ||
| C003A-62 Right Rear Wheel Speed Sensor Signal Compare Failure |
DTC (VSA)
- Problem verification
-1. Turn the vehicle to the ON mode.
-2. Clear the DTC with the HDS.
-3. Turn the vehicle to the OFF (LOCK) mode, then start the engine.
-4. Test-drive the vehicle at 31 mph (50 km/h) or more.
NOTE: Drive the vehicle on the road, not on a lift.
-5. Check for DTCs with the HDS.
DTC Description DTC Freeze Frame C0031-62 Left Front Wheel Speed Sensor Signal Compare Failure C0034-62 Right Front Wheel Speed Sensor Signal Compare Failure C0037-62 Left Rear Wheel Speed Sensor Signal Compare Failure C003A-62 Right Rear Wheel Speed Sensor Signal Compare Failure Is DTC C0031-62, C0034-62, C0037-62, or C003A-62 indicated?
YES
The failure is duplicated. Go to step 2.
NO
Intermittent failure, the system is OK at this time. Refer to intermittent failures troubleshooting . If the freeze data/on-board snapshot of this DTC is recorded, try to reproduce the failure under the same conditions with the freeze data/on-board snapshot.
- Wheel speed sensor installation check
-1. Turn the vehicle to the OFF (LOCK) mode.
-2. Check that the appropriate wheel speed sensor is properly mounted .
DTC Appropriate Wheel Speed Sensor C0031-62 Left-front C0034-62 Right-front C0037-62 Left-rear C003A-62 Right-rear Is the wheel speed sensor installation OK?
YES
Go to step 3.
NO
Reinstall the wheel speed sensor , and recheck the mounting position, then go to step 1.
- Wheel speed sensor check
-1. Substitute a known-good wheel speed sensor .
DTC Appropriate Wheel Speed Sensor C0031-62 Left-front C0034-62 Right-front C0037-62 Left-rear C003A-62 Right-rear -2. Turn the vehicle to the ON mode.
-3. Clear the DTC with the HDS.
-4. Turn the vehicle to the OFF (LOCK) mode, then start the engine.
-5. Test-drive the vehicle at 31 mph (50 km/h) or more.
NOTE: Drive the vehicle on the road, not on a lift.
-6. Check for DTCs with the HDS.
DTC Description DTC Freeze Frame C0031-62 Left Front Wheel Speed Sensor Signal Compare Failure C0034-62 Right Front Wheel Speed Sensor Signal Compare Failure C0037-62 Left Rear Wheel Speed Sensor Signal Compare Failure C003A-62 Right Rear Wheel Speed Sensor Signal Compare Failure Is DTC C0031-62, C0034-62, C0037-62, or C003A-62 indicated?
YES
Go to step 4.
NO
- Magnetic encoder check
-1. Turn the vehicle to the OFF (LOCK) mode.
-2. Inspect the appropriate magnetic encoder for damage, debris, and correct installation.
DTC Appropriate Magnetic Encoder Note C0031-62 Left-front Remove the driveshaft outboard joint from the appropriate wheel hub . C0034-62 Right-front C0037-62 Left-rear Remove the hub bearing unit . C003A-62 Right-rear Is the magnetic encoder surface OK?
YES
Check for loose terminals and poor connections in the VSA modulator-control unit 46P connector. Check for any authorized service information related to the DTCs or symptoms you are troubleshooting. If they are OK, replace the VSA modulator-control unit .
NO
Clean the debris from the appropriate magnetic encoder surface on the wheel bearing or the hub bearing unit. If the debris cannot be removed or the encoder is damaged, replace the appropriate wheel bearing or the hub bearing unit .