## 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