Electrical Specification
| Terminal No. | Description | Measuring condition | Standard | ||||||
|---|---|---|---|---|---|---|---|---|---|
| A1 | Battery power supply | Always | Battery voltage | ||||||
| A2 | Ignition power supply | Ignition switch: ON | Battery voltage | ||||||
| A3 | ACC power supply | Ignition switch: ACC | Battery voltage | ||||||
| A4 | CAN communication (Hi) | Digital signal; can not be measured | (1) | ||||||
| A5 | CAN communication (Lo) | Digital signal; can not be measured | (1) | ||||||
| A6 | Ground | Always | 0V | ||||||
| A7 | A/C control panel communication | Digital signal; can not be measured | (1) | ||||||
| A11 | In-vehicle sensor | Ignition switch: ON | 25°C: Approx. 1.5 V 40°C: Approx. 1.0 V |
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| A13 | Flow sensor | Ignition switch: ON | 0.3 - 4.7 V | ||||||
| A14 | Air mix door position signal(2) or air mix door (driver's seat) position signal(3) | Ignition switch: ON, Air mix door: maximum cool position | 4 V | ||||||
| Ignition switch: ON, Air mix door: maximum hot position | 1 V | ||||||||
| A16 | Each potentiometer and sensor power supply | Ignition switch: ON | 5 V | ||||||
| A18 | A/C control panel communication | Digital signal; can not be measured | (1) | ||||||
| A21 | After-evaporator sensor signal | Ignition switch: ON, fluctuates depending on temperature after the evaporator. | 1 - 4.5 V | ||||||
| A22 | Pressure sensor | Ignition switch: ON | 0.5 - 4.9 V | ||||||
| A24 | Sunload sensor (with automatic light)(3) | Ignition switch: ON (0V: No sunload) | 0 - 4.9 V | ||||||
| A25 | Air mix door actuator (passenger's seat) position signal(3) | Ignition switch: ON, Air mix door: maximum cool position | 4 V | ||||||
| Ignition switch: ON, Air mix door: maximum hot position | 1 V | ||||||||
| A26 | Mode door actuator position signal | Ignition switch: ON, Mode door: FACE position | 4 V | ||||||
| Ignition switch: ON, Mode door: DEF position | 1 V | ||||||||
| B1 | Sensor GND | Always | Less than 0.5 V | ||||||
| B2 | Variable compressor solenoid valve | Ignition switch: ON, Blower switch: ON, A/C switch: ON | 2 - 12 V | ||||||
| B3 | Intake door actuator drive signal (FRESH) | Intake door actuator operating on the FRESH side | 0.7 V or less | ||||||
| B4 | Air mix door actuator (passenger's seat) drive signal (HOT)(3) | Turning towards HOT side: B4 is 12 V, B16 is GND | While operating: 12 V While not operating: 0 V |
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| B16 | Air mix door actuator (passenger's seat) drive signal (COOL)(3) | Turning towards COOL side: B16 is 12 V, B4 is GND | |||||||
| B6 | Intake door actuator drive signal (RECIRC) | Intake door actuator operating on the RECIRC side | 0.7 V or less | ||||||
| B8 | Blower motor voltage feedback(3) | Ignition switch: ON, Blower switch: ON | 0.45 - 10 V | ||||||
| B9 | Blower motor control signal(3) | Ignition switch: ON, Blower switch: ON | 9.05 V | ||||||
| B11 | Mode servo drive signal (FACE) | When turning towards FACE side: B11 is 12 V, B13 is GND | While operating: 12 V While not operating: 0 V |
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| B13 | Mode servo drive signal (DEF) | When turning towards DEF side: B13 is 12 V, B11 is GND | |||||||
| B20 | Heater main relay drive signal(3) | Ignition switch: ON, Blower switch: ON | 0.7 V or less | ||||||
| B21 | Air mix door actuator drive signal (COOL)(2) or air mix door actuator (driver's seat) drive signal (COOL)(3) | Turning towards COOL side: B21 is 12 V, B22 is GND | While operating: 12 V While not operating: 0 V |
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| B22 | Air mix door actuator drive signal (HOT)(2) or air mix door actuator (driver's seat) drive signal (HOT)(3) | Turning towards HOT side: B22 is 12 V, B21 is GND | |||||||
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