Diagnostics of electronic pressure regulators used in six-speed automatic transmissions of the type AF40

This report examines the management of automatic transmission transmissions of the AF40 type, which are installed in Opel, Saab, Peugeot, Volvo, Fiat, etc. cars. For this purpose, a special bench for testing electronic regulators has been made. The measurement methodology is described in detail and the test results are explicitly indicated. The results following the repair of the solenoids are also revealed.