Lexus IS250 IS220d GSE20 ALE20 - AIR CONDITIONING
AIR CONDITIONING SYSTEM - SYSTEM DIAGRAM
| Transmitter | Receiver | Line | Signal |
| A/C Amplifier | ECM | BEAN / CAN | Heater Relay Control Signal |
| Magnetic Clutch Control Signal | |||
| Rear DEF Relay Control Signal | |||
| Idle Up Request Signal | |||
| Heater Valve Open Signal | |||
| PTC Driving Number Request Signal | |||
| Outside Temperature Data | |||
| A/C Pressure Sensor Signal | |||
| External Variable Control Solenoid Current Signal | |||
| A/C Amplifier | Combination Meter | BEAN | Outside Temperature Data |
| A/C Amplifier | Multi-display (w/ Navigation System), Heater Control Panel (w/o Navigation System) | BEAN / AVC-LAN | EMV-Indicator |
| EMV-Temp. Indication | |||
| A/C Amplifier | Main Body ECU RH | BEAN | Diagnostic Tool Response |
| ECM | A/C Amplifier | BEAN / CAN | Engine Speed Signal |
| Engine Coolant Temperature Signal | |||
| Outside Temperature Data | |||
| Inhalation of Air Temperature Data | |||
| A/C Compressor Lock Control Signal | |||
| Recycle Mode Switching Request | |||
| A/C Control Cut Signal | |||
| Variable Control Prohibition Signal | |||
| A/C-E/G Cooperation Control | |||
| PTC Heater Permission Number | |||
| Main Body ECU RH | A/C Amplifier | BEAN | Diagnostic Tool Request |
| Diagnostic Erase Signal | |||
| Combination Meter | A/C Amplifier | BEAN | Vehicle Speed Signal |
| Multi-display (w/Navigation System), Heater Control Panel (w/o Navigation System) | A/C Amplifier | BEAN / AVC-LAN | A/C Operation Signal |
| Transmitter | Receiver | Line | Signal |
| A/C Amplifier | ECM | BEAN / CAN | Heater Relay Control Signal |
| Rear DEF Relay Control Signal | |||
| Idle Up Request Signal | |||
| Heater Valve Open Signal | |||
| A/C Pressure Sensor Signal | |||
| Max. HOT Signal | |||
| A/C Amplifier | Combination Meter | BEAN | Outside Temperature Data |
| A/C Amplifier | Multi-display (w/ Navigation System), Heater Control Panel (w/o Navigation System) | BEAN / AVC-LAN | EMV-Indicator |
| EMV-Temp. Indication | |||
| A/C Amplifier | Main Body ECU RH | BEAN | Diagnostic Tool Response |
| ECM | A/C Amplifier | BEAN / CAN | Engine Speed Signal |
| Engine Coolant Temperature Signal | |||
| A/C Control Cut Signal | |||
| Variable Control Prohibition Signal | |||
| A/C-E/G Cooperation Control | |||
| Main Body ECU RH | A/C Amplifier | BEAN | Diagnostic Tool Request |
| Diagnostic Erase Signal | |||
| Combination Meter | A/C Amplifier | BEAN | Vehicle Speed Signal |
| Multi-display (w/ Navigation System), Heater Control Panel (w/o Navigation System) | A/C Amplifier | BEAN / AVC-LAN | A/C Operation Signal |
LEXUS IS250, IS220d / GSE20 ALE20