Kia Carnival (2009+). Instruction — part 555

In this process, the glow plug and combustion air fan are operated.
When the cleaning process is over, the operation of the heater is stopped.
The time for cleaning when the engine is turned off during the operation of the heater at full load is about 175
seconds.
About 100 seconds are required to conduct the cleaning of the heater at half load condition.
The operating sound of cleaning the heater is heard from the outside of the heater after turning the engine off and this
is a normal process of operation

2009 > G 2.7 DOHC >

INSPECTION

OPERATION TEST

Fuel-fired heater operation test by force using Hi-Scan

1. Start the engine.

2. Connect the Hi-Scan to the vehicle.

3. Select "SORENTO" and then select "FUEL FIRED HEATER".

4. Select "04. ACTUATION TEST" mode.

5. Select "PREFILLING + HEATING" to conduct the performance test after replacing the fuel fired heater system.

Fuel supply and heating will be initiated if the "F1 key STRT" is pressed.
However, a repair or replacement of the components related to the fuel line system in the fuel-fired heater were not
done, operate the component by force after selecting the appropriate item from the menu screen.

Do not operate the system by force with selecting the “ PREFILLING + HEATING ” option if no repair for the
fuel line relating components has been done.
This means the fuel is in the fuel line.If an excessive fuel is supplied, it may cause smoke and abnormal
"Banging" noise when the fuel is burned.
If the "F2 KEY STOP" is pressed, operation test is stopped.
For self-diagnosis test and sensors outputs during compulsory operation test, press "ESC KEY".
When a self-diagnosis test is completed, disconnect the self-diagnosis connector or press "F2 KEY STOP"
from the "PREFILLING + HEATING" menu to stop the compulsory operation.
In case of selecting the individual part (ex. Combustion air fan, water pump, ), press "ESC KEY" to stop the
test.
In case of selecting the "PREFILLING + HEATING" option, about 2 minutes are required to conduct cleaning
process after pressing the "F2 KEY STOP".
It is a normal process to burn the fuel left in the fuel line.

6. To conduct self diagnosis test, press "ESC" and then "01. DIAGNOSTIC TROUBLE CODES" option.

7. Select "02. CURRENT DATA" to view the current status of the components.

Component test

1. Using the Hi-Scan, conduct component test after selecting "FUEL FIRED HEATER" and "ACTUATION TEST"

mode.

2. After conducting component test, perform self-diagnosis test.

3. It is recommended to conduct the fuel fired heater system test after completing the component test.

4. Test values for glow plug.

Resistance : 0.324 W ~ 0.360 W
Current : < 5mA

2009 > G 2.7 DOHC >

TROUBLESHOOTING

SYMPTOM

REMEDY

Fuel smell

Check fuel system on vehicle.

Check the fuel supply line in the fuel fired heater for fuel leaking and
fuel hose for twisting or clogging.

If none of above is affected, there is likelihood of fuel leaking from the
heater inner. Repair the heater after removing it.

Heater does not work at full load

Repair the heater after removing it.

White smoke occurs continuously during
operation

Repair the heater after removing it.

Shortage of coolant
Smoke occurs during operation
Excessive exhaust gas smell

Check coolant hose for leaking, twisting and hose clamp for looseness.

If above items are normal, leaks from the heater inner may cause these
symptoms.
Repair the heater after removing it.

Loss of fuel

Check fuel system on vehicle.

Check the fuel supply line in the fuel fired heater for fuel leaking and
fuel hose for twisting or clogging.

If above items are normal, there is likelihood of fuel leaking from the
heater inner.
Repair the heater after removing it.