DTC 123-xx
DTC 121-xx: VSA Solenoid Valve MalfunctionDTC 122-xx: VSA Solenoid Valve Malfunction
DTC 123-xx: VSA Solenoid Valve Malfunction
DTC 124-xx: VSA Solenoid Valve 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. Check for DTCs with the HDS.
Is DTC 121-xx, 122-xx, 123-xx, or 124-xx 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.