Test results

 

1

 

RESERVOIR LEAKAGE CHECK

 

OK (NO FAULTS DETECTED)

 

FAULT DETECTED

 

OPERATION

   

With vehicle's engine running, warmed up and climate control system knob at max. speed.

Check that the fluid leakage is next to the plastic reservoir.

 

Go to Step 2

 

Leakage found in the reservoir

 

Restore the circuit seal or, if necessary, replace the faulty component

 

2

 

LEAKAGE CHECK ON THE COOLING CIRCUIT

 

OK (NO FAULTS DETECTED)

 

FAULT DETECTED

 

OPERATION

   

With the vehicle's engine running check that the fluid leakage is next to the degassing plug

 

Go to Step 3

 

Leakage identified next to the degassing plug

 

Position the plug correctly or, if necessary, replace it

 

3

 

CORE PIPES LEAKAGE CHECK

 

OK (NO FAULTS DETECTED)

 

FAULT DETECTED

 

OPERATION

   

With vehicle's engine running, warmed up and climate control system knob at max. speed.

Check that the fluid leakage is next to the core pipes.

 

Go to Step 4

 

Leakage found in the core pipes

 

Restore the circuit seal or, if necessary, replace the component

 

4

 

LEAKAGE CHECK ON HEATED COMPONENT

 

OK (NO FAULTS DETECTED)

 

FAULT DETECTED

 

OPERATION

   

With vehicle's engine running, warmed up and climate control system knob at max. speed.

Check that the fluid leakage is next to the core.

 

End of diagnosis

 

Leakage found on core

 

Restore the circuit seal or, if necessary, replace the faulty component