Operation CHARM: Car repair manuals for everyone.

Time Lag Test

Time Lag Test
1. Perform mechanical system test preparation.
2. Start the engine.
3. Warm up the engine until the ATF temperature reaches 60 - 70°C (140 - 158°F). Shift the selector lever from N position to D range.





4. Use a stopwatch to measure the time it takes from shifting until engagement is felt. Take three measurements for each test and average the results using the following formula.





5. Perform the test for the following shifts in the same manner.
- N position -> P position





Evaluation of time lag test