A/C Heater Control (Automatic Temperature Control) Connector End View (C1)
CONTROL-A/C-HEATER C1 (ATC) - 16 WAY FEMALE
| CAV | CIRCUIT | FUNCTION |
| 1 | C56 18DB/LB | BLOWER MOTOR CONTROL |
| 2 | A417 18RD | FUSED B(+) |
| 3 | F921 20PK/YL | FUSED RUN RELAY OUTPUT |
| 4 | Z910 18BK/PK | GROUND |
| 5 | D264 20WT | CAN INTERIOR BUS (125K) (-) |
| 6 | D265 20WT/OR | CAN INTERIOR BUS (125K) (+) |
| 7 | C121 20DB/DG | REAR TEMPERATURE RETURN |
| 8 | C21 20DB/LG | EVAPORATOR TEMPERATURE SENSOR SIGNAL |
| 9 | L24 20WT/VT | AUTO HEADLAMPS SIGNAL |
| 10 | G939 20VT/DB | SUN SENSOR RETURN |
| 11 | C32 20DB/TN | RECIRCULATION DOOR DRIVER |
| 12 | C35 20LB/OR | MODE DOOR DRIVER |
| 13 | C54 20LB/YL | BLEND DOOR DRIVER |
| 14 | C154 20LB/OR | COMMON DOOR DRIVER |
| 15 | C830 22DB/YL | IR SENSOR RETURN |
| 16 | C83 22DB/LG | INFRARED SENSOR SIGNAL |