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HINT: When any of these DTCs are set, check the throttle valve opening angle by entering the following menus: Throttle Position No.1 is the VTA1 signal, and Throttle Position No.2 is the VTA2 signal. Reference (Normal Condition) VOLTAGE REFERENCE MONITOR DESCRIPTION P0123 Output voltage of VTA1 4.535 V or more for 2 seconds when Open in VTA1 circuit Open in E2 circuit Short between VC and ECM P0220 Output voltage of VTA2 quickly fluctuates beyond lower and TP sensor (built into ECM P0222 Output voltage of VTA2 1.75 V or less for 2 seconds when TP sensor (built into Short in VTA2 circuit Open in VC circuit ECM P0223 Output voltage of VTA2 4.8 V or more, and VTA1 between 0.2 V TP sensor (built into Open in VTA2 circuit Open in E2 circuit Short between VC and ECM P2135 Either condition (a) or (b) met (1 trip detection logic) a. Difference between output voltages of VTA1 and VTA2 0.02 V or less for 0.5 seconds or more b. Output voltage of VTA1 0.2 V or less, and VTA2 1.75 V or less, for 0.4 seconds or more Short between VTA1 TP sensor (built into ECM Tester Display Accelerator Pedal Fully Released Accelerator Pedal Fully Depressed Throttle Position No.1 0.5 to 1.1 V 3.3 to 4.9 V Throttle Position No.2 2.1 to 3.1 V 4.6 to 5.0 V
2008 Toyota Tundra 2008 ENGINE PERFORMANCE Engine Control System (1GR-FE) - Tundra
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