DTC Troubleshooting: 12, 14, 16, 18

DTC 12, 14, 16, 18:  Wheel Sensor (Electrical Noise/Intermittent Interruption)


NOTE: If the VSA or ABS indicator comes on because of electrical noise, the indicator will go off when you drive the vehicle over 15 km/h (9 mph) and the noise is gone.

1.Inspect the appropriate wheel sensor and magnetic encoder.

DTC Appropriate Wheel Sensor 
12 Right-front 
14 Left-front 
16 Right-rear 
18 Left-rear 

Are they OK?


YES - Go to 2.


NO - Reinstall or replace the appropriate wheel sensor or magnetic encoder, and test-drive the vehicle at 15 km/h (9 mph) or more.n


2.Disconnect the VSA control unit 46P connector.

3.Check for continuity between the appropriate wheel sensor GND terminal and other wheel sensor GND terminals (see table).

DTC Appropriate Terminal Other Terminals 
12 FR-GND:
No. 28 
No. 13 No. 8 No. 10 
14 FL-GND:
No. 13 
No. 28 No. 8 No. 10 
16 RR-GND:
No. 8 
No. 28 No. 13 No. 10 
18 RL-GND:
No. 10 
No. 28 No. 13 No. 8 

 

Is there continuity?


YES - Repair short in the wires between the appropriate wheel sensor and the other wheel sensor.n


NO - Clear the DTC, and test-drive the vehicle. If the VSA and ABS indicators comes on and the same DTC is indicated, replace the VSA modulator-control unit.n