DTC 52-12

DTC 52-12: Motor Lock Circuit Malfunction
1. Turn the ignition switch ON (II).
2. Clear the DTC with the HDS. Turn the ignition switch OFF, then ON (II) again.
3. Do the each SOLENOID or VSA in the FUNCTION TEST repeat test five times with the HDS.
4. Check for DTCs with the HDS.
Is DTC 51-12 indicated?
YES - Check for loose terminals in the VSA modulator-control unit 37P connector. If necessary, substitute a known-good VSA modulator-control unit and retest. If DTCs are not indicated, replace the VSA modulator-control unit.
NO - Intermittent failure, system is OK at this time. Check for poor connections or loose terminals at the VSA modulator-control unit. Refer to intermittent failure.