Self Test of Control Module

Button "Run self test"




- Press button C Run self test".
The lower row on the display shows the caption "TESTING..."

If the module is OK:
If the control module is free of faults, the caption "TEST OK!" appears on the lower row of the display.

If the control module is faulty:
If the control module is faulty the caption "ERRCODE XXX" is shown ("XXX" is a 3-digit DTC).

The DTC (ERRCODE) should always be quoted when making claims for a faulty module.