DTC 18
DTC 12, 14, 16, 18: Wheel Sensor (Electrical Noise/intermittent Interruption)NOTE: If the ABS and other indicators come on because of electrical noise, the indicators will go off when you test-drive the vehicle at 10 mph (15 km/h) or more and the noise is gone.
1. Check the DTCs with the HDS.
2. Turn the ignition switch OFF, then turn it ON (II).
3. Check for DTCs with the HDS.
Are DTC 11, 13, 15, and/or 17 indicated with DTC 12, 14, 16, and/or 18 at a time?
YES - Troubleshoot DTC 11, 13, 15, and/or 17, and recheck.
NO - Go to step 4.
4. Check that the appropriate wheel sensor and magnetic encoder on the wheel bearing are properly mounted.
Are they installed properly and in good condition?
YES - Go to step 5.
NO - Reinstall or replace the appropriate wheel sensor or wheel bearing, and recheck by test-driving.
5. Clear the DTCs with the HDS.
6. Turn the ignition switch OFF, then disconnect the HDS.
7. Test-drive the vehicle at 10 mph (15 km/h) or more.
NOTE: Drive the vehicle on the road, not on the hoist.
8. Connect the HDS, and check for DTCs with the HDS.
Does the ABS indicator come on and are DTC 12, 14, 16, and/or 18 indicated?
YES - Go to step 9.
NO - intermittent failure, the system is OK at this time.
9. Substitute a known-good wheel sensor for the appropriate wheel sensor.
10. Clear the DTCs with the HDS.
11. Test-drive the vehicle at 10 mph (15 km/h) or more.
12. Check for DTCs with the HDS.
Does the ABS indicator come on and are DTC 12, 14, 16, and/or 18 indicated?
YES - Check for loose terminals in the VSA modulator-control unit 46P connector. If connections are good, replace the VSA modulator-control unit.
NO - Replace the original wheel sensor.