( TL19E00K80100081510FAAT00 )

DTC Troubleshooting: 51, 52

1. Check for continuity between VSA modulator-control unit 47P connector terminal No. 47 and body ground.

Is there continuity?

YES | - | Go to Step 13 .
NO | - | Repair open in the wire between the VSA modulator-control unit and body ground (G202).■

1. Reconnect the VSA modulator-control unit 47P connector.

1. Turn the ignition switch to ON (II).

1. Clear the DTC with the HDS.

1. Test-drive the vehicle. Drive the vehicle at 15 km/h (10 mph) or more.
   NOTE: Drive the vehicle on a straight section of road, not on a lift.

1. Check for DTCs with the HDS.

Is DTC 51 or 52 indicated?

YES | - | Go to Step 18 .
NO | - | The system is OK at this time.■

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. Drive the vehicle at 15 km/h (10 mph) or more.
   NOTE: Drive the vehicle on a straight section of road, not on a lift.

1. Check for DTCs with the HDS.

Is DTC 51 or 52 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.■