Code No. C161B AYC direction valve (LH) output error: Function

WARNING: This page is about a different car, the 2008 Mitsubishi Lancer. However, it is still accessible from the selected car via links, so may be relevant.

The AWC-ECU controls the activation command of the coil for the hydraulic unit AYC direction valve (LH) solenoid.
The hydraulic unit AYC direction valve (LH) solenoid controls the hydraulic pressure to the AYC differential left clutch.