Automatic Temperature Control Module Connector End View (C1)
AUTOMATIC TEMPERATURE CONTROL MODULE C1 - BROWN
| CAV | CIRCUIT | FUNCTION |
| 1 | 16RD/BL | FUSED B(+) |
| 2 | 18DG/RD (REST SYSTEM) | CIRCULATION PUMP CONTROL |
| 3 | 18BK/RD | A/C AUXILIARY FAN RELAY HIGH SIDE CONTROL |
| 4 | 16BL/YL | HEATER BOOSTER MODE |
| 5 | 18BR/VT | WATER CYCLE VALVE CONTROL |
| 6 | 20RD/BL | 5 VOLT SUPPLY |
| 7 | 18BK/YL | K-IC/ATC/HBM/CHM |
| 8 | 20BL/VT | D(+) RELAY CONTROL |
| 8 | 16RD/YL/WT | FUSED D(+) RELAY OUTPUT |
| 9 | 16GY/DG/RD | LAMP DRIVER |
| 10 | 16BL | CABIN HEATER CONTROL |
| 11 | 16BK/BL/WT | RECIRCULATED AIR SOLENOID VALVE CONTROL |
| 12 | 16BL/DG | A/C COMPRESSOR CLUTCH CONTROL |
| 13 | 18BR/DG | EVAPORATOR TEMPERATURE SENSOR SIGNAL |
| 14 | - | - |
| 15 | 16BR | GROUND |
| 16 | 18BR/GY | AIR OUTLET TEMPERATURE SENSOR SIGNAL |
| 17 | 20DG/WT | CAN C BUS (+) |
| 18 | 18BR/BL | SENSOR GROUND |
| 19 | 20BR/RD | REFRIGERANT PRESSURE SENSOR FEEDBACK |
| 20 | 20DG | CAN C BUS (-) |
| 21 | 16BK/BL/DG | FUSED IGNITION SWITCH OUTPUT |