Parking heater (597)
Parking heater (597) |
Location |
Parking heater (597)
Main task |
An auxiliary heater is used to quickly obtain a comfortable cabin climate.
Type |
Diesel heater with combustion chamber, heat exchanger, combustion fan, glow plug and integrated control module. Heating capacity, full effect 5000 W, half effect 2400 W.
Connection |
Pin No. | Signal type | Description |
1 | +30 | From UEC |
2 | Ground | G30B |
3 | Instrument bus | |
6 | PWM pulse | Connected to fuel pump |
Bus messages |
The auxiliary heater control module uses the following information
Information | Value/Unit | From | Description |
Engine running | ON/OFF | ECM | ECM must first send the signal "engine running" for the auxiliary heater to start |
Remaining fuel quantity | % | ECM | The fuel tank must be >12% full for the auxiliary heater to start |
Outside temperature | °C/°F | BCM | The outside temperature must be under 8°C (46°F) for the auxiliary heater to start |
Internal heater | °C/°F | Water temperature in heater | The water temperature in the heater must be under 80°C (176°F) for the auxiliary heater to start |
The auxiliary heater control module transmits the following information
Information | Value/Unit | Used by | Description |
Diagnostic message | No unit | Tech2 | Error message from auxiliary heater |
Display text | No unit | SID | |
Consumed fuel | litres | MIU, IPC | In order for auxiliary heater fuel consumption to be part of the total fuel consumption |
Coolant temperature in heater | °C/°F | BCM, ACC | For ACC to be able to regulate heating in the car cabin |