Electronic Climate Control Diagnostics

Panel Communication Check

The panel communication check verifies the inputs and outputs from the control panel to the A/CCM.

Step Result

#1 Simultaneously hold Panel communication with FACE, Bi-LEVEL,
FACE & FAN - Switch FOOT, DEMIST, DEFROST & RECIRC lines
ignition to ON checked - State lamps will illuminate if all is OK. Unlit state lamp indicates a continuity fault for that specific link

#2 PRESS ON Exit check mode