Climate Control Unit Inputs and Outputs
WIRE COLOR SPECIFICATION
| Terminal number | Wire color | Terminal name | Description | Signal |
|---|---|---|---|---|
| 1 | BLK/YEL | IG2 | Power source for control unit (IG2) | With ignition switch ON (II): battery voltage |
| 2 | WHT/BLU | MODE3 | Detects mode control motor position signal | With ignition switch ON (II): less than 0.5 V or about 5.0 V (depending on mode control motor position) |
| 3 | RED/BLU | MODE2 | Detects mode control motor position signal | With ignition switch ON (II): less than 0.5 V or about 5.0 V (depending on mode control motor position) |
| 4 | RED/YEL | MODE1 | Detects mode control motor position signal | With ignition switch ON (II): less than 0.5 V or about 5.0 V (depending on mode control motor position) |
| 5 | YEL | AMD-P AS | Detects passenger's air mix potential signal | With ignition switch ON (II): about 1.5-4.5 V (depending on passenger's air mix motor position) |
| 6 | PNK/BLK | AMD-P DR | Detects driver's air mix potential signal | With ignition switch ON (II): about 0.5-4.5 V (depending on driver's air mix motor position) |
| 7 | BRN | TEVA | Detects evaporator temperature sensor signal | With ignition switch ON (II): about 1.0-4.0 V (depending on evaporator temperature) |
| 8 | LT BLU | TR | Detects in-car temperature sensor signal | With ignition switch ON (II): about 1.0-4.0 V (depending on in-car temperature) |
| 9 | PNK | TAM | Detects outside air temperature sensor signal | With ignition switch ON (II): about 1.0-4.0 V (depending on out side air temperature) |
| 10 | ORN | TSUN | Detects sunlight sensor signal | With ignition switch ON (II) and sensor out of direct sunlight: 3.6-3.7 V or more With ignition switch ON (II) and sensor in direct sunlight: 3.3-3.5 V or less |
| 11 | BLU/RED | BLW-V | Detects blower motor feedback | With ignition switch ON (II): about 0 V-battery voltage (depending on blower motor speed) |
| 12 | BLU/YEL | BLW-G | Drives power transistor | With ignition switch ON (II) and fan control switch OFF: less than 0.5 V With ignition switch ON (II) and fan control switch ON: about 4.0 V-battery voltage (depending on blower motor control) |
| 13 | RED/BLK | SMALL | Illumination (+) | With combination light switch ON: battery voltage |
| 14 | RED | ILL- | Illumination control | With illumination switch ON: changed voltage (depending on dash light brightness controller) |
| 15 | BLK | GND | Ground circuit (G401) | Less than 0.5 V at all times |
| 16 | PNK/BLU | M-HOT DR | Drives driver's air mix control motor | With ignition switch ON (II) and driver's air mix control motor change to the max COOL position: less than 0.5 V at several seconds |
| 17 | GRN | M-COOL DR | Drives driver's air mix control motor | With ignition switch ON (II) and driver's air mix control motor change to the max HOT position: less than 0.5 V at several seconds |
| 18 | YEL/RED | M-VENT | Drives mode control motor | With ignition switch ON (II) and mode control motor change to the DEF position: less than 0.5 V at several seconds |
| 19 | YEL/BLU | M-DEF | Drives mode control motor | With ignition switch ON (II) and mode control motor change to the VENT position: less than 0.5 V at several seconds |
| 20 | YEL/BLK | M-COOL AS | Drives passenger's air mix control motor | With ignition switch ON (II) and passenger's air mix control motor change to the max HOT position: less than 0.5 V at several seconds |
| 21 | LT GRN | M-HOT AS | Drives passenger's air mix control motor | With ignition switch ON (II) and passenger's air mix control motor change to the max COOL position: less than 0.5 V at several seconds |
| 22 | RED/BLK | SENS-COM | Sensor ground | Less than 0.5 V at all times |
| 23 | GRY | S5V | Provides motor reference voltage | With ignition switch ON (II): about 5.0V |
| 24 | WHT/BLU | NAVI-SI | Communication signal to navigation | With ignition switch ON (II): pulse |
| 25 | WHT/BLK | NAVI-CLK | Communication signal from navigation | With ignition switch ON (II): pulse |
| 26 | WHT/RED | NABI-SO | Communication signal from navigation | With ignition switch ON (II): pulse |
| 27 | GRN/WHT | FRS | Drives recirculation control motor | With ignition switch ON (II) and recirculation control motor change to the RECERCU position: connected to ground at several seconds |
| 28 | GRN/RED | REC | Drives recirculation control motor | With ignition switch ON (II) and recirculation control motor change to the FRESH position: connected to ground at several seconds |
| 29 | YEL | ACS | Drives A/C signal | With ignition switch ON (II), A/C pressure switch ON, and A/C compressor clutch ON: less than 0.5 V With ignition switch ON (II), A/C pressure switch ON, and A/C compressor clutch OFF: battery voltage |
| 30 | LT BLU | B-CAN | B-CAN communication signal | With ignition switch ON (II): pulse |