Climate Control Unit Connector For Inputs and Outputs (2019 2020 2021)
| Connector Index |
|---|
| Climate Control Unit Connector A (32P) |
| Climate Control Unit Connector B (20P)* |
| Climate Control Unit Connector C (12P) |
*: With ventilated seat
Climate Control Unit Connector A (32P)
| Cavity | Terminal name | Description | Signal |
|---|---|---|---|
| 1 | IG2 A/C | IG2 power source | With vehicle in ON mode: battery voltage |
| 2 | ILLUMI+ | Power source for illumination | With combination light switch ON: battery voltage |
| 3 *1 | IG1 METER (DC/DC) | IG1 power source | With vehicle in ON mode: battery voltage |
| 4 *1 | VDC SOL OUT | Ground for A/C compressor variable capacity control solenoid | With vehicle in ON mode: less than 0.2 V |
| 5 | SENSOR 5V | Outputs sensor 5 V | With vehicle in ON mode: about 5.0 V |
| 6 *1 | VDC SOL IN | Outputs battery voltage to A/C compressor variable capacity control solenoid | Variable voltage based on cooling load. With A/C compressor at maximum: battery voltage |
| 7 | M HOT DR | Outputs to drive driver's air mix control motor to HOT side | With vehicle in ON mode and driver's air mix control motor moving to HOT: battery voltage |
| 8 | M COOL DR | Outputs to drive driver's air mix control motor to COOL side | With vehicle in ON mode and driver's air mix control motor moving to COOL: battery voltage |
| 9 | M COOL AS | Outputs to drive passenger's air mix control motor to COOL side | With vehicle in ON mode and passenger's air mix control motor moving to COOL: battery voltage |
| 10 | M HOT AS | Outputs to drive passenger's air mix control motor to HOT side | With vehicle in ON mode and passenger's air mix control motor moving to HOT: battery voltage |
| 11 | MDEF FR | Outputs to mode control motor A to HEAT side | With vehicle in ON mode and mode control motor A moving to HEAT: battery voltage |
| 12 | MVENT FR | Outputs to mode control motor A to VENT side | With vehicle in ON mode and mode control motor A moving to VENT: battery voltage |
| 13 | M-HEAT HD | Outputs to mode control motor B to HEAT side | With vehicle in ON mode and mode control motor B moving to HEAT: battery voltage |
| 14 | M-DEF HD | Outputs to mode control motor B to DEF side | With vehicle in ON mode and mode control motor B moving to DEF: battery voltage |
| 15 | M REC | Outputs to drive recirculation control motor to RECIRCULATE side | With vehicle in ON mode and recirculation control motor moving to RECIRCULATE: battery voltage |
| 16 | M FRS | Outputs to drive recirculation control motor to FRESH side | With vehicle in ON mode and recirculation control motor moving to FRESH: battery voltage |
| 17 | GND | Ground for climate control unit (G405) | With vehicle in ON mode: less than 0.2 V |
| 18 | SENSOR (COM) | Sensor ground | With vehicle in ON mode: less than 0.2 V |
| 19 | ILLUMI- (LED) | Detects illumination control signal | With combination light switch ON: changed voltage (depending on dashlights brightness controller) |
*1: With auto idle stop system
*2: Without auto idle stop system
| Cavity | Terminal name | Description | Signal |
|---|---|---|---|
| 20 *2 | PD SENSOR | A/C Pressure sensor signal | With A/C switch ON: about 0.7-4.6 V (depending on A/C pressure) |
| 21 | HUMID SENS | Inputs humidity sensor signal | ------ |
| 22 | LIN AC | Communication to rear control panel | ------ |
| 23 | B-CAN_H | B-CAN_H communication signal | With vehicle in ON mode: pulses |
| 24 | B-CAN_L | B-CAN_L communication signal | With vehicle in ON mode: pulses |
| 25 | M HOT RR | Outputs to drive rear air mix control motor to HOT side | With vehicle in ON mode and rear air mix control motor moving to HOT: battery voltage |
| 26 | M COOL RR | Outputs to drive rear air mix control motor to COOL side | With vehicle in ON mode and rear air mix control motor moving to COOL: battery voltage |
| 27 | M-HEAT RR | Outputs to rear mode control motor to HEAT side | With vehicle in ON mode and rear mode control motor moving to HEAT: battery voltage |
| 28 | M-VENT RR | Outputs to rear mode control motor to VENT side | With vehicle in ON mode and rear mode control motor moving to VENT: battery voltage |
| 29 | R-BLW-V | Feedback signal of rear blower power transistor drain voltage | With vehicle in ON mode: about 0 V - battery voltage (depending on rear blower motor speed) |
| 30 | R-BLW-G | Outputs rear blower power transistor gate voltage | With vehicle in ON mode, and rear fan control button OFF: less than 0.2 VWith vehicle in ON mode, and rear fan control button ON: about 4.0 V - battery voltage (depending on rear blower motor control) |
| 31 | BLOWER (V) | Feedback signal of front blower power transistor drain voltage | With vehicle in ON mode: about 0 V - battery voltage (depending on front blower motor speed) |
| 32 | BLOWER (G) | Outputs front blower power transistor gate voltage | With vehicle in ON mode, and front fan control button OFF: less than 0.2 VWith vehicle in ON mode, and front fan control button ON: about 4.0 V - battery voltage (depending on front blower motor control) |
*1: With auto idle stop system
*2: Without auto idle stop system
Climate Control Unit Connector B (20P)
| Cavity | Terminal name | Description | Signal |
| 1 | HS DR SW HT | Detects HS DR SW HT signal | With vehicle in ON mode and driver's seat ventilation switch ON: about battery voltageIf none of above conditions are met: less than 0.2 V |
| 2 | Not used | ------ | ------ |
| 3 | HS DR SW FAN | Detects HS DR SW FAN signal | With vehicle in ON mode and driver's seat heater switch ON: about battery voltageIf none of above conditions are met: less than 0.2 V |
| 4 | Not used | ------ | ------ |
| 5 | DR HEAT H LED | Outputs DR HEAT H LED signal | When indicator is ON: less than 0.2 VIf none of above conditions are met: about battery voltage |
| 6 | DR HEAT M LED | Outputs DR HEAT M LED signal | When indicator is ON: less than 0.2 VIf none of above conditions are met: about battery voltage |
| 7 | DR HEAT L LED | Outputs DR HEAT L LED signal | When indicator is ON: less than 0.2 VIf none of above conditions are met: about battery voltage |
| 8 | DR FAN H LED | Outputs DR FAN H LED signal | When indicator is ON: less than 0.2 VIf none of above conditions are met: about battery voltage |
| 9 | DR FAN M LED | Outputs DR FAN M LED signal | When indicator is ON: less than 0.2 VIf none of above conditions are met: about battery voltage |
| 10 | DR FAN L LED | Outputs DR FAN L LED signal | When indicator is ON: less than 0.2 VIf none of above conditions are met: about battery voltage |
| 11 | HS PS SW HT | Detects HS PS SW HT signal | With vehicle in ON mode and front passenger's seat heater switch ON: about battery voltageIf none of above conditions are met: less than 0.2 V |
| 12 | Not used | ------ | ------ |
| 13 | HS PS SW FAN | Detects HS PS SW FAN signal | With vehicle in ON mode and front passenger's seat ventilation switch ON: about battery voltageIf none of above conditions are met: less than 0.2 V |
| 14 | Not used | ------ | ------ |
| 15 | AS HEAT H LED | Outputs AS HEAT H LED signal | When indicator is ON: less than 0.2 VIf none of above conditions are met: about battery voltage |
| 16 | AS HEAT M LED | Outputs AS HEAT M LED signal | When indicator is ON: less than 0.2 VIf none of above conditions are met: about battery voltage |
| 17 | AS HEAT L LED | Outputs AS HEAT L LED signal | When indicator is ON: less than 0.2 VIf none of above conditions are met: about battery voltage |
| 18 | AS FAN H LED | Outputs AS FAN H LED signal | When indicator is ON: less than 0.2 VIf none of above conditions are met: about battery voltage |
| 19 | AS FAN M LED | Outputs AS FAN M LED signal | When indicator is ON: less than 0.2 VIf none of above conditions are met: about battery voltage |
| 20 | AS FAN L LED | Outputs AS FAN L LED signal | When indicator is ON: less than 0.2 VIf none of above conditions are met: about battery voltage |
Climate Control Unit Connector C (12P)
| Cavity | Terminal name | Description | Signal |
| 1 | AMDP DR | Detects potentiometer signal of driver's air mix control motor (door position) | With vehicle in ON mode: about 1.0-4.0 V (depending on driver's air mix control motor position) |
| 2 | AMDP AS | Detects potentiometer signal of passenger's air mix control motor (door position) | With vehicle in ON mode: about 1.0-4.0 V (depending on passenger's air mix control motor position) |
| 3 | MOD-P FR | Detects potentiometer signal of mode control motor A (door position) | With vehicle in ON mode: about 1.0-4.0 V (depending on mode control motor A position) |
| 4 | MOD-P HD | Detects potentiometer signal of mode control motor B (door position) | With vehicle in ON mode: about 1.74-4.0 V (depending on mode control motor B position) |
| 5 | FRS REC-P | Detects potentiometer signal of recirculation control motor (door position) | With vehicle in ON mode: about 1.0-4.0 V (depending on recirculation control motor position) |
| 6 | AMDP RR | Detects potentiometer signal of rear air mix control motor (door position) | With vehicle in ON mode: about 1.0-4.0 V (depending on rear air mix control motor position) |
| 7 | MOD-P RR | Detects potentiometer signal of rear mode control motor (door position) | With vehicle in ON mode: about 1.0-4.0 V (depending on rear mode control motor position) |
| 8 | SENS TR | Inputs in-car temperature sensor signal | ------ |
| 9 | TAM | Detects outside air temperature sensor signal | With vehicle in ON mode: about 1.0-4.0 V (depending on outside air temperature) |
*: With rain sensor
| 10* | TSUN | Detects sunlight sensor signal | With vehicle in ON mode, and no sunlight or the sensor covered up: 3.56 VWith vehicle in ON mode, and sunlight on the sensor: less than 3.56 V |
| 11 | TEVA | Inputs front evaporator temperature sensor signal | ------ |
| 12 | TEVA RR | Inputs rear evaporator temperature sensor signal | ------ |
*: With rain sensor