Automatic Calibration Procedure
9
Dana Holding Corporation
TSM-0064 - TE27/32 4-Speed LD with Full Flow Control Valve Service Manual
PERFORMING AUTOMATIC CALIBRATION
Before the automatic calibration can be started, a number of conditions need to be fulfilled:
•
The parking brake on the vehicle has to be activated.
•
The transmission temperature needs to be above 60°C. See the next paragraph how to use the ‘HEAT’-mode
to do this in a time effective way.
•
The engine speed has to be kept at around 800 rpm (± 200 rpm) during the complete calibration. If the APC200
has control over the engine, the engine speed will be adapted automatically.
1.
If all the conditions mentioned above are met, the actual automatic calibration can be performed starting from the
following display on the APC200:
2.
To trigger the automatic calibration procedure, push the S-button once. The APC200 display readout will show:
3.
The APC200 asks for the shift lever to be put in FORWARD.
The automatic transmission calibration procedure starts. This is indicated on the APC200 display:
‘C1’ stands for ‘clutch 1’ being forward, while ‘M1’ stands for ‘mode 1’ of the calibration.
4.
When all clutches have been calibrated, the APC200 displays:
5.
At this point, the automatic calibration has completed successfully. The normal duration of a complete transmission
calibration is around 15 minutes.
6.
To exit the automatic calibration mode, switch off the vehicle ignition key. Make sure that the APC200 has powered
down – wait for 2 seconds. Now restart the vehicle and the new tuning results will be activated automatically.
Troubleshooting
If anything different than described above appears on the APC200 display, there can be two possible reasons:
•
The calibration conditions are not fulfilled (temperature is too low, parking brake switched off, the vehicle is
moving, engine rpm is too high or too low).
•
A calibration error has occurred during the calibration. This message starts with an ‘E’ (see “CALIBRATION
CONDITION MESSAGES AND CALIBRATION ERRORS”, on page 11).
By selecting REVERSE on the shift lever, while the automatic calibration is performing, the procedure will abort the auto-
matic calibration immediately and restart the APC200. This feature can be used when something goes wrong during the
calibration procedure.
NOTE:
By aborting the automatic calibration, the calibration is not finalized and needs to be done from the beginning.
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