Table 1. Communication Table Sender Receiver Signal Communication Line Air conditioning amplifier assembly ECM Heater idle up request CAN Charging control inhibit Prior A/C control request Acceleration cut inhibit Viscous Heater drive request (w/ Viscous Heater) Air conditioning amplifier assembly Combination meter assembly Ambient temperature display CAN Air conditioning amplifier assembly Engine stop and start ECU (w/ Stop and Start System) ACN node ID CAN ACN SLNG Flag ACN node Spec No Engine on request Blower on state A/C screen auto/manual select ECM Air conditioning amplifier assembly Engine type information 1 CAN Engine type information 2 Engine type information 3 Engine type information 4 Engine RPM data Water temperature Compulsory internal air circulation command signal at high water temperature Viscous heater drive cut-off (w/ Viscous Heater) Engine stop and start ECU (w/ Stop and Start System) Air conditioning amplifier assembly Eco-run control mode CAN Eco-run cancel lamp lighting request S&S A/C mode Combination meter assembly Air conditioning amplifier assembly Ambient temp display CAN Outside temperature sensor data Vehicle speed signal (meter to other) Air conditioning control assembly Air conditioning amplifier assembly AUTO switch operation LIN OFF switch operation Blower switch operation (up, down) Mode switch operation Front defroster switch operation Recirculation/fresh switch operation Air conditioning switch operation Front side set temperature switch operation Air conditioning amplifier assembly Air conditioning control assembly Front panel display instruction LIN AUTO display instruction A/C switch instruction Mode switch instruction Rear defogger display instruction Front defroster display instruction Recirculation/fresh display instruction Front side set temperature display instruction Blower level display instruction