VSA DTC Troubleshooting: 54
  1. Check for continuity between VSA modulator-control unit 46P connector terminal No. 43 and body ground.
Is there continuity?
YES -
Go to Step 8 .
NO -
Repair open in the wire between the VSA modulator-control unit and body ground (G202).■
  1. Reconnect the VSA modulator-control unit 46P connector.
  1. Turn the ignition switch to 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 54 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 -
Intermittent failure, the system is OK at this time. Check for loose terminals at the VSA modulator-control unit 46P connector. Refer to intermittent failures troubleshooting. ■