VSA DTC Troubleshooting: 12, 14, 16, 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 15 km/h (10 mph) or more and noise is gone.
  1. Turn the ignition switch ON (II).
  1. Clear the DTC with the HDS.
  1. Check for DTCs with the HDS.
Is DTC 11, 13, 15, and/or 17 indicated with DTC 12, 14, 16, and/or 18 at a time?
YES -
NO -
Go to Step 4 .
  1. Turn the ignition switch OFF.
  1. Check the appropriate wheel sensor and magnetic encoder on the wheel bearing or pulser on the hub bearing unit.
    DTC
    Appropriate Wheel Sensor
    12
    Right-front
    14
    Left-front
    16
    Right-rear
    18
    Left-rear

Are they installed correctly and in good condition?
YES -
Go to Step 6 .
NO -
Reinstall or replace the appropriate wheel sensor, wheel bearing, or hub bearing unit, and recheck by test-driving.■
  1. Turn the ignition switch ON (II).
  1. Clear the DTC with the HDS.
  1. Test-drive the vehicle at 15 km/h (10 mph) or more.
  1. Check for DTCs with the HDS.
Is DTC 12, 14, 16, and/or 18 indicated?
YES -
Go to Step 10 .
NO -
Intermittent failure, the system is OK at this time. Check for loose terminals between the wheel sensor 2P connector and the VSA modulator-control unit 46P connector. Refer to intermittent failures troubleshooting. ■
  1. Turn the ignition switch OFF.
  1. Turn the ignition switch ON (II).
  1. Clear the DTC with the HDS.
  1. Test-drive the vehicle at 15 km/h (10 mph) or more.
  1. Check for DTCs with the HDS.
Is DTC 12, 14, 16, and/or 18 indicated?
YES -
Check for loose terminals in the VSA modulator-control unit 46P connector. If necessary, substitute a known-good VSA modulator-control unit and retest.■
NO -