Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Toyota Tundra 2000-2006 Approved 04-06 techinfo.toyota.com ileaf 06toyrm 06toypdf 06rmsrc 06tundra di eg2uzfe cip21112

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DI-782
                                                DIAGNOSTICS     -   ENGINE (2UZ-FE)
                                                                                                                       DIDS1-01




    DTC               P2111               Throttle Actuator Control System
                                          -Stuck Open


    DTC               P2112               Throttle Actuator Control System
                                          -Stuck Closed

CIRCUIT DESCRIPTION
The throttle motor is operated by the ECM. It opens and closes the throttle valve using gears. The opening
angle of the throttle valve is detected by the throttle position sensor, which is mounted on the throttle body.
The throttle position sensor provides feedback to the ECM to control the throttle motor and set the throttle
valve angle in response to driver input.
HINT:
This Electrical Throttle Control System (ETCS) does not use a throttle cable.
   DTC No.                     DTC Detection Condition                                             Trouble Area
             Throttle motor locked during ECM order to close.            S Throttle control motor and sensor circuit
    P2111
             (1 trip detection logic)                                    S Throttle control motor and sensor
             Throttle motor locked during ECM order to open.             S Throttle body
    P2112                                                                S Throttle valve
             (1 trip detection logic)


MONITOR DESCRIPTION
The ECM concludes that there is a malfunction of the ETCS (Electronic Throttle Control System) when the
throttle valve remains at a fixed angle despite high drive current from the ECM. The ECM will turn on the MIL
and a DTC is set.

FAIL SAFE
If the ETCS (Electronic Throttle Control System) has a malfunction, the ECM cuts off current to the throttle
control motor. The throttle control valve returns to a predetermined opening angle (approximately 16

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