RM3090E _58 Vehicle Interior _008789 HEATING / AIR CONDITIONING _0049189 AIR CONDITIONING SYSTEM(for Manual Air Conditioning System) U

HEATING / AIR CONDITIONING  AIR CONDITIONING SYSTEM(for Manual Air Conditioning System)  TERMINALS OF ECU  


AIR CONDITIONING AMPLIFIER ASSEMBLY


E219842
3.396,0.208 3.813,0.469 0.417,0.26 3.469,0.26 3.927,0.458 0.458,0.198 10 G80
G80

HINT:

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

a.
E106664
2.979,1.177 3.385,1.417 0.406,0.24 10 GND
GND

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