DTC Troubleshooting: 25, 26, 104
  1. Check for continuity between VSA modulator-control unit 47P connector terminals No. 12, No. 13 and yaw rate-lateral acceleration sensor 4P connector terminals No. 3, No. 2 individually.
Is there continuity?
YES -
Go to Step 13 .
NO -
Repair open in the wire between the VSA modulator-control unit and the yaw rate-lateral acceleration sensor.■
  1. Substitute a known-good yaw rate-lateral acceleration sensor.
  1. Reconnect all connectors.
  1. Turn the ignition switch to ON (II).
  1. Clear the DTC with the HDS.
  1. Do the VSA sensor neutral position memorization.
  1. Test-drive the vehicle around a number of corners.
    NOTE: Drive the vehicle on a straight section of road, not on a lift.
  1. Check for DTCs with the HDS.
Is DTC 25, 26, or 104 indicated?
YES -
Go to Step 20 .
NO -
Replace the original yaw rate-lateral acceleration sensor. ■
  1. Update the VSA modulator-control unit if it does not have the latest software. If the unit already has the latest software, substitute a known-good VSA modulator-control unit.
  1. Test-drive the vehicle around a number of corners.
    NOTE: Drive the vehicle on a straight section of road, not on a lift.
  1. Check for DTCs with the HDS.
Is DTC 25, 26, or 104 indicated?
YES -
Check for loose terminals in the VSA modulator-control unit 47P connector. If the VSA modulator-control unit was updated, substitute a known-good VSA modulator-control unit, then retest. If the VSA modulator-control unit was substituted, go to Step 1 .
NO -
If the VSA modulator-control unit was updated, troubleshooting is complete. If the VSA modulator-control unit was substituted, replace the original VSA modulator-control unit. If any other DTCs are indicated, go to the indicated DTCs troubleshooting.■