Climate Control Unit Inputs and Outputs
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2014 Honda Ridgeline, 2013 Honda Ridgeline, 2012 Honda Ridgeline, 2011 Honda Ridgeline, and 2010 Honda Ridgeline. However, it is still accessible from the selected car via links, so may be relevant.
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 |