AIR CONDITIONING SYSTEM SYSTEM DIAGRAM

E334428E03
E334429E01
E334430E01
E337631E01
Table 1. Communication Table

Sender

Receiver

Signal

Communication Line

Air conditioning amplifier assembly

Hybrid vehicle control ECU

Heater idle up request

CAN

ECO mode switch information

Engine ON request

Charging control inhibit

Motor cooling fan drive request

Prior air conditioning control request

Heating performance assistance request signal to transaxle system

Water pump request

Inlet state (for cooling battery)

Standby for inverter request

Compressor with motor assembly start

Compressor with motor assembly target speed

Front blower level indicator

In-vehicle temperature

Ambient temperature display

Air conditioning control state

Air conditioning amplifier assembly

ECM

Heater idle up request

CAN

Motor cooling fan drive request

Prior air conditioning control request

Heating performance assistance request signal to transaxle system

Ambient temperature before correction

Refrigerant gas pressure sensor

Ambient temperature display

Air conditioning amplifier assembly

Brake booster with master cylinder assembly (skid control ECU)

Ambient temperature before correction

CAN

Air conditioning amplifier assembly

Main body ECU (multiplex network body ECU)

Ambient temperature display

CAN

Air conditioning amplifier assembly

Navigation receiver assembly*1

Radio and display receiver assembly*2

Driver side AUTO indicator

CAN

Air conditioning indicator

Driver side outlet auto indicator

Driver side outlet indicator

Air conditioning on-screen request

Driver side temperature display

Front passenger side temperature display

Control information

Air conditioning amplifier assembly

Combination meter assembly

Ambient temperature display

CAN

Hybrid vehicle control ECU

Air conditioning amplifier assembly

ECO mode indicator

CAN

State of STB (standby)

Compulsion recycle request

Air conditioning water pump drive

Air conditioning inverter and HV ECU communication

Air conditioning inverter STB malfunction

Air conditioning permission electric power

READY on

Air conditioning inverter main voltage

Air conditioning inverter output

Motor overload information

Motor start information

Air conditioning inverter internal power source malfunction

STB wire short

Air conditioning inverter temperature information

Self check

Thermistor cold temperature malfunction

Compressor humidity control start

BTC down

Air conditioning motor revolution

Air conditioning input power

Air conditioning motor current request

Air conditioning inverter temperature

Air conditioning inverter voltage

ECM

Air conditioning amplifier assembly

Engine speed data

CAN

Voltage of auxiliary battery

Compulsory internal air circulation command at high water temperature

Engine coolant temperature

Main body ECU (multiplex network body ECU)

Air conditioning amplifier assembly

Trip count

CAN

Time count

Auto dimmer

Destination symbol

Destination package

Steering wheel

Engine staerter condition

Air conditioning ON request

Combination meter assembly

Air conditioning amplifier assembly

Vehicle speed (meter to other)

CAN

Airbag sensor assembly

Air conditioning amplifier assembly

Front passenger side seat occupant status

CAN

Air conditioning control assembly

Air conditioning amplifier assembly

AUTO switch operation

LIN

OFF switch operation

Blower switch operation (up, down)

Mode switch operation

Front defroster switch operation

Rear defogger switch operation

DUAL switch operation

Recirculation/fresh switch operation

Air conditioning switch operation

Driver side set temperature switch operation

Front passenger side set temperature switch operation

Air conditioning amplifier assembly

Air conditioning control assembly

Entire front panel display instruction

LIN

Auto display instruction

Blower level display instruction

Air conditioning display instruction

Rec display instruction

Driver air outlet display instruction

DUAL display instruction

Entire front panel display instruction

Driver set temperature display instruction

Front passenger set temperature display instruction

Dimmer

  • *1: w/ Navigation System

  • *2: w/ Navigation System