P0773
CIRCUIT DESCRIPTIONThe 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.
DETECTING CONDITIONS
Fail safe function:
If the ECM detects a malfunction, it turns the shift solenoid valve DSL OFF.
WIRING DIAGRAM
INSPECTION PROCEDURE