Checking on Accuracy of Dyno Tests
The focus of this article is the Toyota AB60, as it has a nice balance of five on/off solenoids: S1, S2, S3, S4, and SR. In addition to those, there are 4 PWM solenoids: SL1, SL2, SLT, and SLU, which all operate at about 335 Hz. The test vehicle is a 2008 Toyota Tundra equipped with a 5.7L engine.
Transmissions with Mechatronics – TEHCM
Beyond the issues of handheld tester capabilities relating to mechatronics is the current status of dynos and valve-body testers. On a dyno, the complete transmission is tested using the required software, as it is with a valve-body tester. The VB tester, however, has the additional challenge of a base plate that the valve-body bolts to.
