Seat / Leon (KL) / 18 - Auxiliary heater [EV_AuxilHeateWOSVW38X 002009] / Auxiliary heater test
| Mark | Model | Control unit | Diagnostic operation |
|---|
Mark
Model
Control unit 

Diagnostic operation 

Diagnostic procedure
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Conditions:
- Error memory empty
- auxiliary heater = OFF
- auxiliary heater = unblocked
- connect battery charger
- residual fuel volume in tank > XXl
set:
- Heater - MAX
- Heater - ventilation -> MAX
connect with the control unit XX - auxiliary heater
XX - Basic settings
select item in drop-down menu: IDEXXXXX - auxiliary heater: Service mode
Start
In the Basic Settings window, click Measured values and select the items you want to visualize.
IDEXXXXX-MASXXXXX - auxiliary heater -status
IDEXXXXX-MASXXXXX - auxiliary heater -status: Output
IDEXXXXX - auxiliary heater: coolant temperature
IDEXXXXX - coolant temperature
TIP: For easier search in the menu, enter the code IDE, ENG or MAS into the "Filter" window
observe values:
if displayed: IDEXXXXX-MASXXXXX = Start, full load, partial load
desired condition: IDEXXXXX -> rising value
if displayed: IDEXXXXX-MASXXXXX = run down, pause
desired condition IDEXXXXX -> value decreases
upon non--achievement of condition:
- test of components: auxiliary heater: pump of cooling liquid (VXX)
- Engine cooling: bleeding (deaeration)
- auxiliary heater: check of error memory
- test of components: auxiliary heater: intake system, exhaust system
- test of components: auxiliary heater: Fuel system
- test of components: auxiliary heater: tightness
- test of components: auxiliary heater: burner: clean?
End of test
- Error memory empty
- auxiliary heater = OFF
- auxiliary heater = unblocked
- connect battery charger
- residual fuel volume in tank > XXl
set:
- Heater - MAX
- Heater - ventilation -> MAX
connect with the control unit XX - auxiliary heater
XX - Basic settings
select item in drop-down menu: IDEXXXXX - auxiliary heater: Service mode
Start
In the Basic Settings window, click Measured values and select the items you want to visualize.
IDEXXXXX-MASXXXXX - auxiliary heater -status
IDEXXXXX-MASXXXXX - auxiliary heater -status: Output
IDEXXXXX - auxiliary heater: coolant temperature
IDEXXXXX - coolant temperature
TIP: For easier search in the menu, enter the code IDE, ENG or MAS into the "Filter" window
observe values:
if displayed: IDEXXXXX-MASXXXXX = Start, full load, partial load
desired condition: IDEXXXXX -> rising value
if displayed: IDEXXXXX-MASXXXXX = run down, pause
desired condition IDEXXXXX -> value decreases
upon non--achievement of condition:
- test of components: auxiliary heater: pump of cooling liquid (VXX)
- Engine cooling: bleeding (deaeration)
- auxiliary heater: check of error memory
- test of components: auxiliary heater: intake system, exhaust system
- test of components: auxiliary heater: Fuel system
- test of components: auxiliary heater: tightness
- test of components: auxiliary heater: burner: clean?
End of test
You are not logged! System works in DEMO mode only now where numbers are replaced with X characters. For 49 EUR only You will get access into full system. You can pay by credit card or bank transfer. Click BUY button for purchase and You will get login to diagnostic procedures database imediatelly.
Diagnostic procedures for a VAG diagnostics
Database for coding vehicle control units Volkswagen - VAG
Software versions
VIN - Code validator

