Air Distribution-Auxiliary Control

When the mode knob is turned, a signal is sent from either the front auxiliary HVAC control assembly on the auxiliary front mode signal circuit or the rear auxiliary HVAC control assembly on the auxiliary rear mode signal circuit. These signals are received by the rear auxiliary HVAC control processor and sent to the auxiliary mode actuator through the auxiliary mode door control circuit. When the control logic receives the signal, the auxiliary mode door moves into the desired position.

The left instrument panel fuse block provides power to the auxiliary mode actuator through the ignition 3 voltage circuit, IP wiring harness junction block and the auxiliary blower motor resistor assembly. Ground is provided by the ground circuits and a splice pack.

A 5-volt reference signal is sent out over the auxiliary mode door control circuit to the auxiliary mode actuator. When a desired mode setting is selected, a 5-volt reference signal is sent from the rear auxiliary HVAC control processor to the auxiliary mode actuator.

The motor moves the auxiliary mode actuator to the desired position. Ground for the auxiliary mode actuator is provided by the ground circuits and a splice pack.

Utility vehicles with the sunroof option will only have the front auxiliary HVAC control assembly. The 5 volt reference signal will be sent directly from the front auxiliary HVAC control assembly to the auxiliary mode actuator on the auxiliary mode door control circuit. The motor moves the auxiliary mode actuator to the desired position. Ground for the auxiliary mode actuator is provided by the ground circuits and a splice pack.