Fail Safe

Fail Safe
The TCM has an electrical fail-safe mode. This mode makes it possible to operate even if there is a malfunction in a main electronic control input/output signal circuit.

In fail-safe mode, a driving condition is selected according to the malfunctioning location, and line pressure is set at the maximum. For this reason, the customer will be subjected to uncomfortable "slipping" or "poor acceleration" of the vehicle.

In that case, handle according to the "diagnostics flow"

FAIL-SAFE FUNCTION








If any malfunction occurs in a sensor or solenoid, this function controls the A/T to make driving possible.

NOTE: Line pressure is set at the maximum in fail-safe mode. Although gear position differs depending on the type of fail-safe modes, CONSULT-II indicates "5th".








Fail-safe mode list