A/C Control Module
| Terminal No. | Contents | Measuring condition | Standard | ||
|---|---|---|---|---|---|
| (i80) No. 1 (+) ←→ Chassis ground (-) | Seat heater control (driver's side)(1) | Ignition switch: ON Seat heater switch: ON |
0 V or battery voltage | ||
| (i80) No. 2 (+) ←→ Chassis ground (-) | Seat heater (driver's side) GND(1) | Always | Resistance 1 Ω or less | ||
| (i80) No. 3 (+) ←→ Chassis ground (-) | Seat heater control (passenger's side)(1) | Ignition switch: ON Seat heater switch: ON |
0 V or battery voltage | ||
| (i80) No. 4 (+) ←→ Chassis ground (-) | Seat heater (passenger's side) GND(1) | Always | Resistance 1 Ω or less | ||
| (i80) No. 5 | - | - | - | ||
| (i80) No. 6 | - | - | - | ||
| (i80) No. 7 | - | - | - | ||
| (i80) No. 8 | - | - | - | ||
| (i80) No. 9 | - | - | - | ||
| (i80) No. 10 (+) ←→ Chassis ground | Heater main relay drive signal | Ignition switch: ON Blower switch: ON |
0.7 V or less | ||
| (i80) No. 11 | - | - | - | ||
| (i80) No. 12 | - | - | - | ||
| (i80) No. 13 | - | - | - | ||
| (i80) No. 14 | - | - | - | ||
| (i80) No. 15 (+) ←→ Chassis ground (-) | Rear mode door actuator position signal | Ignition switch: ON Mode door: VENT position |
4.2 V | ||
| Ignition switch: ON Mode door: HEAT position |
1.0 V | ||||
| (i80) No. 16 | - | - | - | ||
| (i80) No. 17 (+) ←→ Chassis ground (-) | Seat heater temperature sensor (driver's side)(1) | Ignition switch: ON Varies depending on temperature at seat heater |
0 - 5 V | ||
| (i80) No. 18 (+) ←→ Chassis ground (-) | PTC heater 1 relay drive signal | In operation | 1 V or less | ||
| (i80) No. 19 (+) ←→ Chassis ground (-) | PTC heater 2 relay drive signal | In operation | 1 V or less | ||
| (i80) No. 20 (+) ←→ Chassis ground (-) | PTC heater 3 relay drive signal | In operation | 1 V or less | ||
| (i80) No. 21 (+) ←→ Chassis ground (-) | Rear heater relay drive signal | Ignition switch: ON Blower switch: ON |
0.7 V or less | ||
| (i80) No. 22 | - | - | - | ||
| (i80) No. 23 | - | - | - | ||
| (i80) No. 24 | - | - | - | ||
| (i80) No. 25 (+) ←→ Chassis ground (-) | Seat heater temperature sensor (passenger's side)(1) | Ignition switch: ON Varies depending on temperature at seat heater |
0 - 5 V | ||
| (i80) No. 26 (+) ←→ Chassis ground (-) | Air mix door actuator (rear seat) position signal | Ignition switch: ON Air mix door: MAX COOL |
4.0 V | ||
| Ignition switch: ON Air mix door: MAX HOT |
1.8 V | ||||
| (i181) No. 1 | - | - | - | ||
| (i181) No. 2 | - | - | - | ||
| (i181) No. 3 | CAN-H (CAN communication line) | Digital signal; cannot be measured | - | ||
| (i181) No. 4 | CAN-L (CAN communication line) | Digital signal; cannot be measured | - | ||
| (i181) No. 5 | - | - | - | ||
| (i181) No. 6 (+) ←→ Chassis ground (-) | Rear blower motor control signal | Ignition switch: ON Blower switch: ON |
5 - 9 V | ||
| (i181) No. 7 (+) ←→ Chassis ground (-) | Pressure sensor | Ignition switch: ON | 0.5 - 4.9 V | ||
| (i181) No. 8 (+) ←→ Chassis ground (-) | Evaporator sensor | Ignition switch: ON | 1 - 4.5 V (changes depending on evaporator temperature) | ||
| (i181) No. 9 (+) ←→ Chassis ground (-) | Mode door actuator position signal | Ignition switch: ON Mode door: VENT position |
4.5 V | ||
| Ignition switch: ON Mode door: DEF position |
0.5 V | ||||
| (i181) No. 10 (+) ←→ Chassis ground (-) | Front blower motor control signal | Ignition switch: ON Blower switch: ON |
0.6 - 6 V | ||
| (i181) No. 11 (+) ←→ Chassis ground (-) | Rear blower motor voltage feedback | Ignition switch: ON Blower switch: ON |
0 - 16 V | ||
| (i181) No. 12 | - | - | - | ||
| (i181) No. 13 | - | - | - | ||
| (i181) No. 14 | - | - | - | ||
| (i181) No. 15 | - | - | - | ||
| (i181) No. 16 | - | - | - | ||
| (i181) No. 17 | - | - | - | ||
| (i181) No. 18 (+) ←→ Chassis ground (-) | Rear evaporator sensor | Ignition switch: ON | 1 - 4.5 V (changes depending on evaporator temperature) | ||
| (i181) No. 19 (+) ←→ Chassis ground (-) | Air mix door actuator (passenger's seat) position signal | Ignition switch: ON Air mix door: MAX COOL |
4.5 V | ||
| Ignition switch: ON Air mix door: MAX HOT |
0.5 V | ||||
| (i181) No. 20 (+) ←→ Chassis ground (-) | Intake door actuator position signal | Ignition switch: ON FRESH/RECIRC door: RECIRC position |
4.5 V | ||
| Ignition switch: ON FRESH/RECIRC door: FRESH position |
1.9 V | ||||
| (i181) No. 21 (+) ←→ Chassis ground (-) | Rear in-vehicle sensor | Ignition switch: ON | 25°C (77°F): Approx. 1.5 V 40°C (104°F): Approx. 1.0 V | ||
| (i181) No. 22 (+) ←→ Chassis ground (-) | Flow sensor | Ignition switch: ON Blower switch: ON A/C switch: ON |
0.3 - 4.7 V | ||
| (i181) No. 23 (+) ←→ Chassis ground (-) | Sunload sensor | Ignition switch: ON Sunlight is contacting sensor |
With sunload: Less than 4.9 V Without sunload: 0 V |
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| (i181) No. 24 (+) ←→ Chassis ground (-) | In-vehicle sensor | Ignition switch: ON | 25°C (77°F): Approx. 1.5 V 40°C (104°F): Approx. 1.0 V | ||
| (i329) No. 1 (+) ←→ Chassis ground (-) | GND | Always | Resistance 1 Ω or less | ||
| (i329) No. 2 | LIN (communication line) | Digital signal; cannot be measured | - | ||
| (i329) No. 3 | - | - | - | ||
| (i329) No. 4 (+) ←→ Chassis ground (-) | Variable compressor solenoid valve drive signal | Ignition switch: ON Blower switch: ON A/C switch: ON |
2 - 12 V | ||
| (i329) No. 5 (+) ←→ Chassis ground (-) | Mode door actuator drive output (VENT) | While operating to VENT side | While operating: 12 V While not operating: 0 V |
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| (i329) No. 6 (+) ←→ Chassis ground (-) | Mode door actuator drive output (DEF) | While operating to DEF side | While operating: 12 V While not operating: 0 V |
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| (i329) No. 7 (+) ←→ Chassis ground (-) | Air mix door actuator (driver's seat) drive signal (COOL) | While operating to COOL side | While operating: 12 V While not operating: 0 V |
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| (i329) No. 8 (+) ←→ Chassis ground (-) | Air mix door actuator (driver's seat) drive signal (HOT) | While operating to HOT side | While operating: 12 V While not operating: 0 V |
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| (i329) No. 9 (+) ←→ Chassis ground (-) | Ignition power supply | Ignition switch: ON | Battery voltage | ||
| (i329) No. 10 (+) ←→ Chassis ground (-) | Battery power supply | Always | Battery voltage | ||
| (i329) No. 11 (+) ←→ Chassis ground (-) | Air mix door actuator (driver's seat) position signal | Ignition switch: ON Air mix door: MAX COOL |
4.5 V | ||
| Ignition switch: ON Air mix door: MAX HOT |
0.5 V | ||||
| (i329) No. 12 (+) ←→ Chassis ground (-) | Sensor and actuator power supply | Ignition switch: ON | 5 V | ||
| (i329) No. 13 | - | - | - | ||
| (i329) No. 14 | - | - | - | ||
| (i329) No. 15 | - | - | - | ||
| (i329) No. 16 (+) ←→ Chassis ground (-) | Rear mode door actuator drive output (HEAT) | While operating to HEAT side | While operating: 12 V While not operating: 0 V |
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| (i329) No. 17 (+) ←→ Chassis ground (-) | Rear mode door actuator drive output (VENT) | While operating to VENT side | While operating: 12 V While not operating: 0 V |
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| (i329) No. 18 (+) ←→ Chassis ground (-) | Air mix door actuator (passenger's seat) drive signal (HOT) | While operating to HOT side | While operating: 12 V While not operating: 0 V |
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| (i329) No. 19 (+) ←→ Chassis ground (-) | Intake door actuator drive signal (RECIRC) | While operating to RECIRC side | While operating: 12 V While not operating: 0 V |
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| (i329) No. 20 (+) ←→ Chassis ground (-) | Air mix door actuator (rear seat) drive signal (COOL) | While operating to COOL side | While operating: 12 V While not operating: 0 V |
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| (i329) No. 21 | - | - | - | ||
| (i329) No. 22 | - | - | - | ||
| (i329) No. 23 | - | - | - | ||
| (i329) No. 24 (+) ←→ Chassis ground (-) | Sensor GND | Always | Resistance 1 Ω or less | ||
| (i329) No. 25 | - | - | - | ||
| (i329) No. 26 | - | - | - | ||
| (i329) No. 27 (+) ←→ Chassis ground (-) | Air mix door actuator (passenger's seat) drive signal (COOL) | While operating to COOL side | While operating: 12 V While not operating: 0 V |
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| (i329) No. 28 (+) ←→ Chassis ground (-) | ACC power supply | Ignition switch: ACC | Battery voltage | ||
| (i329) No. 29 (+) ←→ Chassis ground (-) | Intake door actuator drive signal (FRESH) | While operating to FRESH side | While operating: 12 V While not operating: 0 V |
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| (i329) No. 30 (+) ←→ Chassis ground (-) | Air mix door actuator (rear seat) drive signal (HOT) | While operating to HOT side | While operating: 12 V While not operating: 0 V |
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