Compression test
This function turns off the fuel injection system to perform a compression test.
Note:
An external compression tester must be connected to measure the engine compression.
Test conditions:
Ignition on, engine off.
Battery charger connected to vehicle.
Coolant temperature above 80°C.
Procedure:
Connect the compression tester to the engine.
Start the function.
A dialogue box shows: Press "OK" to disable the injection.
Measure the compression in each cylinder.
Press "OK" to finish the test.
If the test fails, check test conditions and rectify any faults.