DTC Troubleshooting: 27
  1. Check for continuity between VSA modulator-control unit 47P connector terminals No. 30, No. 38, No. 41 and steering angle sensor 5P connector terminals No. 3, No. 4, and No. 2 individually.
Is there continuity?
YES -
Go to Step 17 .
NO -
Repair open in the wire between the VSA modulator-control unit and the steering angle sensor.■
  1. Substitute a known-good steering angle sensor.
    NOTE: Make sure the steering angle sensor and combination switch is mounted properly.
  1. Reconnect all connectors.
  1. Turn the ignition switch to ON (II).
  1. Clear the DTC with the HDS.
  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 27 indicated?
YES -
Go to Step 23 .
NO -
Check for loose terminals in the steering angle sensor 5P connector. If the connections are OK, replace the steering angle 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 27 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.■