Circuit Description
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2002 Toyota Tundra, 2002 Toyota Tacoma, 2002 Toyota Sequoia, 2002 Toyota 4Runner, and 2001 Toyota Tundra. However, it is still accessible from the selected car via links, so may be relevant.
SL solenoid is turned on and off by signals from ECM to control hydraulic pressure affecting lock-up relay valve. Lock-up relay valve controls operation of Torque Converter Clutch (TCC). If ECM detects a malfunction, ECM turns SL solenoid off. DTC is output when an open or short circuit occurs. Possible causes are:
- SL solenoid open or short circuit.
- SL solenoid malfunction.
- ECM malfunction.