AIR CONDITIONING AMPLIFIER ASSEMBLY
Check from the rear of the connector while it is connected to the air conditioning amplifier assembly.
| Terminal No.
(Symbol) |
Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
|
*: w/ PTC Heater |
||||
| G80-1 (IG+) - Body ground | GR - Body ground | Power source (IG) | Ignition switch ON | 11 to 14 V |
| G80-1 (IG+) - Body ground | GR - Body ground | Power source (IG) | Ignition switch off | Below 1 V |
| G80-2 (A/C) - Body ground | P - Body ground | A/C switch signal | Ignition switch ON
A/C switch on |
11 to 14 V |
| G80-2 (A/C) - Body ground | P - Body ground | A/C switch signal | Ignition switch ON
A/C switch off |
Below 1 V |
| G80-4 (TE) - G80-15 (SG-1) | W - B | No. 1 cooler thermistor sensor signal | Ignition switch ON
Evaporator temperature: 0°C (32°F) |
1.7 to 2.1 V |
| G80-4 (TE) - G80-15 (SG-1) | W - B | No. 1 cooler thermistor signal | Ignition switch ON
Evaporator temperature: 15°C (59°F) |
0.9 to 1.3 V |
| G80-5 (SG-2) - Body ground | G - Body ground | Ground for air conditioner pressure sensor | Always | Below 1 V |
| G80-7 (PRE) - G80-5 (SG-2) | BE - G | Air conditioner pressure sensor signal | Engine running
Air conditioning system operating Refrigerant pressure: Abnormal pressure (more than 3025 kPa [30.8 kgf/cm2, 439 psi]) |
4.62 V or higher |
| G80-7 (PRE) - G80-5 (SG-2) | BE - G | Air conditioner pressure sensor signal | Engine running
Air conditioning system operating Refrigerant pressure: Abnormal pressure (less than 176 kPa [1.8 kgf/cm2, 26 psi]) |
Below 0.74 V |
| G80-7 (PRE) - G80-5 (SG-2) | BE - G | Air conditioner pressure sensor signal | Engine running
Air conditioning system operating Refrigerant pressure: Normal pressure (less than 3025 kPa [30.8 kgf/cm2, 439 psi] and more than 176 kPa [1.8 kgf/cm2, 26 psi]) |
0.74 to 4.62 V |
| G80-8 (CANH) | B | CAN communication line | - | - |
| G80-9 (CANL) | W | CAN communication line | - | - |
| G80-11 (SOL+) - Body ground | BR - Body ground | Compressor solenoid operation signal | Engine running
A/C switch on Blower switch LO |
Pulse generation
(See waveform 1) |
| G80-13 (PTC1) - Body ground* | BR - Body ground | Quick heater assembly operation signal | Engine running
Temperature setting: MAX HOT Ambient temperature: 10°C or less Engine coolant temperature: 75°C or less Light control switch assembly off Blower switch on |
Below 1 V |
| G80-13 (PTC1) - Body ground* | BR - Body ground | Quick heater assembly operation signal | Engine running
Temperature setting: MAX HOT Ambient temperature: 10°C or less Engine coolant temperature: 75°C or less Light control switch assembly off Blower switch off |
11 to 14 V |
| G80-14 (HR) - Body ground* | G - Body ground | Heater relay operation signal | Ignition switch ON
Blower switch LO |
Below 1 V |
| G80-14 (HR) - Body ground* | G - Body ground | Heater relay operation signal | Ignition switch ON
Blower switch off |
11 to 14 V |
| G80-15 (SG-1) - Body ground | B - Body ground | Ground for No. 1 cooler thermistor | Always | Below 1 V |
| G80-12 (LED) - Body ground | GR - Body ground | A/C switch indicator signal | Ignition switch ON
A/C switch on Blower switch on |
Below 1 V |
| G80-12 (LED) - Body ground | GR - Body ground | A/C switch indicator signal | Ignition switch ON
A/C switch off Blower switch on |
11 to 14 V |
| G80-17 (SBLW) - Body ground | GR - Body ground | Blower motor operation condition signal | Ignition switch ON
Blower switch on |
Below 1 V |
| G80-17 (SBLW) - Body ground | GR - Body ground | Blower motor operation condition signal | Ignition switch ON
Blower switch off |
11 to 14 V |
| G80-18 (ECOS) - Body ground | R - Body ground | Combination switch assembly (ECO switch) signal | Ignition switch ON
Combination switch assembly (ECO mode switch) on |
Below 1 V |
| G80-18 (ECOS) - Body ground | R - Body ground | Combination switch assembly (ECO switch) signal | Ignition switch ON
Combination switch assembly (ECO mode switch) off |
11 to 14 V |
| G80-19 (PTC2) - Body ground* | GR - Body ground | Quick heater assembly operation signal | Engine running
Temperature setting: MAX HOT Ambient temperature: 10°C or less Engine coolant temperature: 65°C or less Light control switch assembly off Blower switch on |
Below 1 V |
| G80-19 (PTC2) - Body ground* | GR - Body ground | Quick heater assembly operation signal | Engine running
Temperature setting: MAX HOT Ambient temperature: 10°C or less Engine coolant temperature: 65°C or less Light control switch assembly off Blower switch off |
11 to 14 V |
| G80-20 (PTC3) - Body ground* | R - Body ground | Quick heater assembly operation signal | Engine running
Temperature setting: MAX HOT Ambient temperature: 10°C or less Engine coolant temperature: 70°C or less Light control switch assembly off Blower switch on |
Below 1 V |
| G80-20 (PTC3) - Body ground* | R - Body ground | Quick heater assembly operation signal | Engine running
Temperature setting: MAX HOT Ambient temperature: 10°C or less Engine coolant temperature: 70°C or less Light control switch assembly off Blower switch off |
11 to 14 V |
| G80-23 (GND) - Body ground | W-B - Body ground | Ground for main power supply | Always | Below 1 Ω |
| G80-24 (S5-3) - G80-5 (SG-2) | B - G | Power supply for air conditioner pressure sensor | Ignition switch ON | 4.75 to 5.25 V |
| G80-24 (S5-3) - G80-5 (SG-2) | B - G | Power supply for air conditioner pressure sensor | Ignition switch off | Below 1 V |
Waveform 1:
| Item | Content |
|---|---|
| Terminal No. | G80-11 (SOL+) - Body ground |
| Tool Setting | 5 V/DIV., 500 μs/DIV. |
| Vehicle Condition | Engine running
A/C switch on Blower switch LO |