Engine Control System

DTC PO773 Shift Solenoid E Electrical Malfunction (Shift Solenoid Valve SL)

CIRCUIT DESCRIPTION
The shift solenoid valve SL is turned ON and OFF by signals from the ECM to control the hydraulic pressure acting on the lock-up relay valve, which then controls operation of the lock-up clutch.

FAIL SAFE FUNCTION
If the ECM detects a malfunction, it turns the shift solenoid valve SL OFF.




DETECTING CONDITION




WIRING DIAGRAM











INSPECTION PROCEDURE