A/C relay
The MIU is connected to the same lead as the one the engine management system uses to control the A/C relay. When the engine management system grounds the lead, the MIU sends out an A/C relay ON signal on the bus.
The MIU is connected to the same lead as the one the engine management system uses to control the A/C relay. When the engine management system grounds the lead, the MIU sends out an A/C relay ON signal on the bus.