System Diagram
Communication Table Sender | Receiver | Signal | Communication Line |
|---|---|---|---|
A/C amplifier |
ECM |
Magnetic clutch request signal*1 |
CAN |
Idle up request signal |
|||
External variable control solenoid current signal |
|||
Cooling fan motor driving request signal |
|||
Refrigerant gas pressure sensor signal |
|||
Ambient temperature signal |
|||
A/C amplifier |
Air conditioning control assembly |
Panel indication signal |
LIN |
MODE indication signal |
|||
Blower level indication signal |
|||
Set temperature indication signal |
|||
Combination meter |
A/C amplifier |
Vehicle speed signal |
CAN |
ECM |
A/C amplifier |
Engine revolution speed signal |
CAN |
Engine coolant temperature signal |
|||
A/C control cut signal |
|||
Air conditioning control assembly |
A/C amplifier |
AUTO switch signal |
LIN |
OFF switch signal |
|||
A/C switch signal |
|||
Fr DEF switch signal |
|||
Rr DEF switch signal |
|||
MODE switch signal |
|||
REC/FRS switch signal |
|||
SYNC switch signal |
|||
Blower switch signal (FAN+, FAN-) |
|||
Set temperature switch signal (UP, DOWN) |
- *1: for 2GR-FE
Test yourself
A quick Toyota Venza quiz: every answer comes with an explanation and a link to the manual page.