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Diagnostic function
Erasing diagnostic trouble codes
(DTCs)
The DTC memory for the diagnostic function is reset
each time the power to the engine is interrupted.
NOTE! The power must be shut-off completely. Stop
the engine and check that the start key(s) are in posi-
tion 0 at all control positions.
When the power is switched back on, the diagnostic
function checks whether there are any malfunctions
in the EDC system. New diagnostic trouble codes
(DTCs) are stored if there are malfunctions.
This means that:
1. Diagnostic trouble codes (DTCs) for malfunctions
that have been remedied or are no longer present
are erased automatically.
2. Diagnostic trouble codes (DTCs) for malfunctions
that have not been remedied must be acknowl-
edged and read off each time the power is
switched on.
If the diagnostics button is pressed after diagnostic
trouble codes (DTCs) have been erased, code 1.1
(“no fault”) will be flashed out.
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