DTC 12-12, 14-12, 16-12, 18-12
DTC 12-12 : Right-Front Wheel Speed Sensor Short to the Other Sensor Circuit
DTC 14-12 : Left-Front Wheel Speed Sensor Short to the Other Sensor Circuit
DTC 16-12 : Right-Rear Wheel Speed Sensor Short to the Other Sensor Circuit
DTC 18-12 : Left-Rear Wheel Speed Sensor Short to the Other Sensor Circuit
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.
| DTC Description | DTC | Freeze Frame |
|---|---|---|
| 12-12 Right-Front Wheel Speed Sensor Short to the Other Sensor Circuit | ||
| 14-12 Left-Front Wheel Speed Sensor Short to the Other Sensor Circuit | ||
| 16-12 Right-Rear Wheel Speed Sensor Short to the Other Sensor Circuit | ||
| 18-12 Left-Rear Wheel Speed Sensor Short to the Other Sensor Circuit |
DTCs (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.
-4. Test-drive the vehicle at 12 mph (20 km/h) or more, and go a distance of 328 ft (100 m) 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 12-12 Right-Front Wheel Speed Sensor Short to the Other Sensor Circuit 14-12 Left-Front Wheel Speed Sensor Short to the Other Sensor Circuit 16-12 Right-Rear Wheel Speed Sensor Short to the Other Sensor Circuit 18-12 Left-Rear Wheel Speed Sensor Short to the Other Sensor Circuit Is DTC 12-12, 14-12, 16-12, or 18-12 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 .
- Shorted wire check (Wheel speed sensor lines wire to wire)
-1. Turn the vehicle to the OFF (LOCK) mode.
-2. Disconnect the following connector.
VSA modulator-control unit 21P connector -3. Check for continuity between the appropriate VSA modulator-control unit 21P connector wheel speed sensor GND terminals (see table).
Test condition Vehicle OFF (LOCK) mode VSA modulator-control unit 21P connector: disconnected DTC VSA Modulator-Control Unit 21P Connector Terminal Appropriate Terminal Other Terminals 12-12 No. 21 No. 19 No. 18 No. 20 14-12 No. 19 No. 21 No. 18 No. 20 16-12 No. 18 No. 21 No. 19 No. 20 18-12 No. 20 No. 21 No. 19 No. 18 Is there continuity?
YES
Repair a short in the wires between the appropriate wheel speed sensor and the VSA modulator-control unit.
NO
The wheel speed sensor wires are OK. Go to step 3.
- VSA modulator-control unit check (update)
-1. Reconnect the following connector.
VSA modulator-control unit 21P connector -2. Update the VSA modulator-control unit if it does not have the latest software .
-3. Turn the vehicle to the OFF (LOCK) mode.
-4. Test-drive the vehicle at 12 mph (20 km/h) or more, and go a distance of 328 ft (100 m) 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 Is DTC 12-12, 14-12, 16-12, or 18-12 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.