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 goes off when you
test-drive the vehicle at 19 mph (30 km/h).

1.	Check the appropriate wheel sensor and magnetic encorder. 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 encorder.n

2.	Disconnect the negative cable from the battery.

3.	Disconnect the ABS control unit 25P connector.

4.

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. 19  No. 1  No. 23  No. 5  14  FL-GND: No. 1  No. 19  No. 23  No. 5  16  RR-GND: No. 23  No. 19  No. 1  No. 5  18  RL-GND: No. 5  No. 19  No. 1  No. 23    Is there continuity? YES - Repair short in the wire 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