AIR CONDITIONER CONTROL SIGNAL
AT-7114wiring diagramWire colors on this page are not labelled on the wires themselves; W (terminal 19) and Y/L (terminal 39) imported from the TCM TERMINALS AND REFERENCE VALUE table on AT-7112. Other unlabelled wires recorded as '??'.
Wiring Diagram — A/C —
Air conditioner control signal wiring (A/C)
Components (9)
Ignition switch (ON or START)BatteryFuse (IGN feed)Fuse (battery feed)Idle-up relayA/C relayCooling fan motor-2A/C compressorTCM (Transmission Control Module)
Connections (9)
Ignition switch (ON or START)
Ignition switch (ON or START)Fuse (IGN feed)??
Fuse (IGN feed)
Fuse (IGN feed)Idle-up relay:contact_in??
Battery
BatteryFuse (battery feed)??
Fuse (battery feed)
Fuse (battery feed)A/C relay:contact_in??
Idle-up relay
Idle-up relay:contact_outA/C relay:coil_in??— Idle-up relay feeds A/C relay coil supply per diagram routing
Idle-up relay:coil_outTCM (Transmission Control Module):19W— TCM terminal 19 — Air conditioner control signal (IDLE UP RELAY)
A/C relay
A/C relay:coil_outTCM (Transmission Control Module):39Y/L— TCM terminal 39 — Air conditioner signal (A/C RELAY)
A/C relay:contact_outCooling fan motor-2??
A/C relay:contact_outA/C compressor??