Test Conditions With Cooler Lines Closed

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.