1996 Toyota Tacoma Closed Throttle Position Switch Malfunction

download CIRCUIT DESCRIPTION Refer to DTC P0120 on page DI-39 . DTC No. P0510 HINT: After confirming DTC P0510 use the TOYOTA hand-held tester to confirm the closed throttle position switch signal from CURRENT DATA. DTC Detecting Condition Trouble Area The closed throttle position switch does not turn ON even once when the vehicle is …

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2001 Toyota Tacoma Dtc P0505 Idle Control System Malfunction

download The rotary solenoid type IAC valve is located in front of the in- take air chamber and intake air bypassing the throttle valve is directed to the IAC valve through a passage. In this way the intake air volume bypassing the throttle valve is regulated, controlling the engine speed. The ECM operates only the …

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1997 Toyota Corolla Exhaust Gas Recirculation (Egr) System Test

download EGR systems contain different components depending on application. See Fig. 19 . When testing EGR system and components, use proper illustration to determine component location. When performing EGR system test, it may be necessary to monitor engine RPM by using scan tool. For scan tool connections, see IDLE SPEED & MIXTURE in ADJUSTMENTS article. …

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1997 Toyota Tercel DTC P0105 Manifold Absolute Pressure/ Barometric Pressure Circuit Malfunction

download By a built-in sensor unit, the manifold absolute pressure sensor detects the intake manifold pressure as a voltage. The ECM then determines the basic injection duration and basic injection advance angle based on this voltage. Since the manifold abso- lute pressure sensor does not use the atmospheric pressure as a criterion, but senses the …

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1997 Toyota Tercel Engine Coolant Temp Circuit Malfunction

download Circuit description a thermistor built into the engine coolant temperature sensor changes the resistance value according to the engine coolant temperature. The structure of the sensor and connection to the ecm is the same as in the intake air temp. Circuit malfunction shown on page di-26 . If the ecm detects the dtc p0115, …

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