A/C Heater Control (Automatic Temperature Control) Connector End View
CONTROL-A/C-HEATER - 26-WAY (ATC)
| CAV | CIRCUIT | FUNCTION |
| 1 | F504 20GY/PK | FUSED RUN RELAY OUTPUT |
| 2 | Z24 18BK/OR | GROUND |
| 3 | D25 20WT/VT | PCI BUS |
| 4 | C931 22DB/TN | REAR FAN SENSE RETURN |
| 5 | C11 22LB/OR | REAR FAN SENSE SUPPLY |
| 6 | C31 22LB/YL | REAR FAN SENSE |
| 7 | C21 20LG/DB | EVAPORATOR TEMPERATURE SENSOR SIGNAL |
| 8 | C121 20DB/DG | SENSOR GROUND |
| 9 | C135 20DB/GY | FRONT MODE DOOR DRIVER (B) |
| 10 | C35 22LB/OR | FRONT MODE DOOR DRIVER (A) |
| 11 | C132 20DB/YL | RECIRCULATION DOOR DRIVER (B) |
| 12 | C32 20TN/DB | RECIRCULATION DOOR DRIVER (A) |
| 13 | C161 20LB/WT | DRIVER BLEND DOOR DRIVER (B) |
| 14 | A118 20RD/OR | FUSED B(+) |
| 15 | - | - |
| 16 | - | - |
| 17 | - | - |
| 18 | C56 20LB/DB | FRONT BLOWER MOTOR CONTROL |
| 19 | C57 22DB/LB | REAR BOOSTER FAN CONTROL |
| 20 | E12 18OR/GY | PANEL LAMPS DRIVER |
| 21 | G21 22VT/WT | REAR FAN ON INDICATOR DRIVER |
| 22 | C153 22DB/BR | REAR MODE DOOR DRIVER (A) |
| 23 | C53 22LB | REAR MODE DOOR DRIVER (B) |
| 24 | C133 22DB/WT | PASSENGER BLEND DOOR DRIVER (B) |
| 25 | C33 22LB/BR | PASSENGER BLEND DOOR DRIVER (A) |
| 26 | C61 22DB/LG | DRIVER BLEND DOOR DRIVER (A) |