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Diagnostic function
If the diagnostic button indicator
flashes
1. Reduce the engine speed to idle.
2. Press the diagnostic button to acknowledge the
message.
3. Release the diagnostic button and make a note of
the diagnostic trouble code (DTC) that is flashed
out. See the following section.
3. Look up the diagnostic trouble code (DTC) in the
list and take the recommended action.
Alternatively: If the gear control is functioning
normally and warning display and other instrumen-
tation display normal values, the operator can con-
tinue the journey and remedy the malfunction at a
later time.
Reading diagnostic trouble codes
(DTCs)
A diagnostic trouble code (DTC) is flashed out if the
diagnostic button is pressed and then released.
The diagnostic trouble code (DTC) consists of two
groups of flashes with a break of two seconds in-be-
tween. A diagnostic trouble code (DTC) is obtained
by counting the number of flashes in each group:
Example: break = Diagnostic trou-
ble code (DTC) 2.4
The diagnostic trouble code (DTC) is stored and can
be read off as long as the malfunction remains.
In the next section there is a list of diagnostic trouble
codes (DTCs) with information about cause, conse-
quence and corrective action.
Read off as follows:
1. Check that the ignition key is in position I (driving
position).
2. Press the diagnostic button.
3. Release the diagnostic button and make a note of
the diagnostic trouble code (DTC) that is flashed
out.
4. Repeat points 2–3. A new diagnostic trouble code
(DTC) flashes if there are several DTCs stored.
Repeat until the first diagnostic trouble code
(DTC) reappears.
NOTE! All diagnostic trouble codes (DTCs) have
been read out when the first DTC reappears.
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