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 cip2119

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                                                                                                                                          DI-791
                                                   DIAGNOSTICS        -   ENGINE (2UZ-FE)
                                                                                                                                           DIDS3-01




    DTC                   P2119              Throttle Actuator Control Throttle Body
                                             Range Performance

CIRCUIT DESCRIPTION
The Electric Throttle Control System (ETCS) is composed of a throttle motor that operates the throttle valve,
a throttle position sensor that detects the opening angle of the throttle valve, an accelerator pedal position
sensor that detects the accelerator pedal position, and the ECM that controls the ETCS system.
The ECM operates the throttle motor to position the throttle valve for proper response to driver inputs. The
throttle position sensor, mounted on the throttle body, detects the opening angle of the throttle valve and
provides this signal to the ECM so that the ECM can regulate the throttle motor.
   DTC No.                        DTC Detection Condition                                                 Trouble Area
               Throttle opening angle continues to vary greatly from target
                                                                               S Electric throttle control system
    P2119      throttle opening angle
                                                                               S Throttle body
               (1 trip detection logic)


MONITOR DESCRIPTION
The ECM determines the "actual" throttle angle based on the throttle position sensor signal. The "actual"
throttle position is compared to the "target" throttle position commanded by the ECM. If the difference of
these two values exceeds a specified limit, the ECM interprets this as a fault in the ETCS (Electronic Throttle
Control System). The ECM turns 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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