Starting the engine 1. Check that the parking brake is set. 2. Check that the shift lever is set in P. 3. Firmly depress the brake pedal. 4. Turn the engine switch to the "START" position to start the engine. Changing the engine switch positions
■Turning the key from "ACC" to "LOCK" 1. Shift the shift lever to P. 2. Push in the key and turn it to the "LOCK" position. ■If the engine does not start The engine immobilizer system may not have been deactivated. Contact your Toyota dealer. ■When the steering lock cannot be released When starting the engine, the engine switch may seem stuck in the "LOCK" position. To free it, turn the key while turning the steering wheel slightly left and right. ■Key reminder function A buzzer sounds if the driver's door is opened while the engine switch is in the "ACC" or "LOCK" position to remind you to remove the key.
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Toyota Tundra Service Manual > Sfi System: Idle Control System (P0505)
DESCRIPTION The idling speed is controlled by the ETCS (Electronic Throttle Control System). The ETCS is comprised of: 1) the one valve type throttle body; 2) the throttle actuator, which operates the throttle valve; 3) the Throttle Position (TP) sensor, which detects the opening angle of the thrott ...