DTC Troubleshooting: C0031-62, C0034-62, C0037-62, C003A-62
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
    

1.
Problem verification:

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.

?4.
Test-drive the vehicle on the road in a straight line over 19 mph (30km/h) for 60 seconds 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.?
2.
Wheel speed sensor installation check:

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.
3.
Wheel speed sensor check (substitution):

Wheel speed sensor check (substitution)
?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.

?5.
Test-drive the vehicle on the road in a straight line over 19 mph (30km/h) for 60 seconds 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
     
     
     
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