Test Conditions With Cooler Lines Closed

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ATF cooler lines were not opened.

For example: during a general inspection, when replacing sealing rings or changing ATF filter.

Warm up transmission in lower load range. Switch all transmission ranges several times while doing so.
Read out the ATF temperature using the PIWIS Tester.
ATF temperature: 35 - 45 °C.
Selector lever is in position P.
Press the brake pedal and shift the gear lever slowly through P-R-N-D three times. Hold the selector lever in each position for 2 seconds.
Test and filling procedure at idle speed with air conditioning switched off.