## Climate Control System Description

### Climate Control Unit Inputs and Outputs

Cavity | Wire color | Signal
--- | --- | ---
1 | RED*1 | DASH LIGHTS BRIGHTNESS CONTROLLER (In the gauge control module) | INPUT
BLK*2 | GROUND (G402) | INPUT
2 | RED/BLK | TAILLIGHT RELAY | INPUT
3 | BLK/YEL | IG2 (Power) | INPUT
4 | ——— | ——— | ———
5 | BLK | GROUND (G402) | INPUT
6 | RED/YEL | REAR WINDOW DEFOGGER RELAY | OUTPUT
7 | YEL/RED | MODE VENT | OUTPUT
8 | WHT/BLU | MODE DEF | OUTPUT
9 | PNK/BLU | AIR MIX HOT | OUTPUT
10 | GRN/BLK | AIR MIX COOL | OUTPUT
11 | LT GRN/RED | RECIRCULATE | INPUT
12 | GRN/WHT | FRESH | INPUT
13 | BLU/YEL | POWER TRANSISTER CONTROL | OUTPUT
14 | BLU/RED | BLOWER FEEDBACK | INPUT
15 | GRY | AIR MIX POTENTIAL +5 V | OUTPUT
16 | YEL/GRN | MODE 1 | OUTPUT
17 | YEL/BLK | MODE 2 | OUTPUT
18 | LT GLN | SENSOR COMMON GROUND | INPUT
19 | YEL | MODE 3 | OUTPUT
20 | WHT | MODE 4 | OUTPUT
21 | BLU*3 | EVAPORATOR TEMPERATURE SENSOR | OUTPUT
22 | BLU*4 | EVAPORATOR TEMPERATURE SENSOR | OUTPUT
23 | PNK/BLK | AIR MIX POTENTIAL | OUTPUT
24 | RED/WHT*3 | ENGINE COOLANT TEMPERATURE (ECT) SENSOR | OUTPUT
25 | ORN | SUNLIGHT SENSOR | OUTPUT
26 | BLU | A/C SIGNAL | INPUT
27 | PNK | OUTSIDE AIR TEMPERATURE SENSOR | OUTPUT
28 | LT BLU | IN-CAR TEMPERATURE SENSOR | OUTPUT

*1: With dash lights brightness controller *2: Without dash lights brightness controller *3: With ETCS *4: Without ETCS