DTC Troubleshooting: 12, 14, 16, 18

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



NOTE: If the ABS indicator comes on because of electrical noise, the indicator will go off when you drive the vehicle over 19 mph (30 km/h) 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.n


2.Disconnect the ABS control unit 25P 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. 18 		No. 3 No. 15 No. 5 
14 FL-GND:
No. 3 		No. 18 No. 15 No. 5 
16 RR-GND:
No. 15 		No. 18 No. 3 No. 5 
18 RL-GND:
No. 5 		No. 18 No. 3 No. 15 


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 ABS indicator comes on and the same DTC is indicated, replace the ABS modulator-control unit.n