DTC 12-11, 14-11, 16-11, 18-11

DTC 12-11  : Right-Front Wheel Speed Sensor Electrical Noise or Intermittent Interruption

DTC 14-11  : Left-Front Wheel Speed Sensor Electrical Noise or Intermittent Interruption

DTC 16-11  : Right-Rear Wheel Speed Sensor Electrical Noise or Intermittent Interruption

DTC 18-11  : Left-Rear Wheel Speed Sensor Electrical Noise or Intermittent Interruption

NOTE: 

• Before you troubleshoot, review the general troubleshooting information .
• These DTCs may be caused by electrical interference. Check for aftermarket devices installed in the vehicle when these DTCs are indicated.

DTCs (VSA)

1. DTC check

   -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.

   NOTE:  Drive the vehicle on the road, not on a lift.

   -5. Check for DTCs with the HDS.

   DTC Description	DTC	Freeze Frame
   12-11 Right-Front Wheel Speed Sensor Electrical Noise or Intermittent Interruption
   12-12 Right-Front Wheel Speed Sensor Short to the Other Sensor Circuit
   14-11 Left-Front Wheel Speed Sensor Electrical Noise or Intermittent Interruption
   14-12 Left-Front Wheel Speed Sensor Short to the Other Sensor Circuit
   16-11 Right-Rear Wheel Speed Sensor Electrical Noise or Intermittent Interruption
   16-12 Right-Rear Wheel Speed Sensor Short to the Other Sensor Circuit
   18-11 Left-Rear Wheel Speed Sensor Electrical Noise or Intermittent Interruption
   18-12 Left-Rear Wheel Speed Sensor Short to the Other Sensor Circuit

   Is DTC 12-11, 14-11, 16-11, or 18-11 indicated?

   YES 

   If only DTC 12-11, 14-11, 16-11, or 18-11 are indicated, go to step 2.

   YES 

   If DTC 12-12, 14-12, 16-12, or 18-12 are also indicated, go to DTC 12-12, 14-12, 16-12, or 18-12 .

   NO 

   Intermittent failure, the system is OK at this time. Refer to intermittent failures troubleshooting .

2. 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
   12-11	Right-front
   14-11	Left-front
   16-11	Right-rear
   18-11	Left-rear

   Is the wheel speed sensor installation OK?

   YES 

   Go to step 3.

   NO 

   Reinstall the wheel speed sensor , and recheck the mounting position.

3. VSA modulator-control unit check (update)

   -1. Update the VSA modulator-control unit if it does not have the latest software .

   -2. Turn the vehicle to the OFF (LOCK) mode.

   -3. Test-drive the vehicle.

   NOTE:  Drive the vehicle on the road, not on a lift.

   -4. Check for DTCs with the HDS.

   DTC Description	DTC	Freeze Frame

   Is DTC 12-11, 14-11, 16-11, or 18-11 indicated?

   YES 

   Check for loose terminals in the VSA modulator-control unit 21P connector. If the VSA modulator-control unit was updated and the symptom/indication is still present, replace the VSA modulator-control unit .

   NO 

   Troubleshooting is complete. If any other DTCs are indicated, go to the indicated DTCs troubleshooting.