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TROUBLESHOOTING MULTIPORT FUEL INJECTION (MPI) 13A-135 Code No. P0222: Throttle Position Sensor (Sub) Circuit Low Input OPERATION • A power voltage of 5 V is applied to the electronic-controlled throttle valve (terminal No. • The power voltage is earthed to the engine-ECU <M/T> or engine-A/T-ECU <A/T> (terminal No. • The sensor signal is inputted to the engine-ECU <M/T> or engine-A/T-ECU <A/T> (terminal No. FUNCTION • The throttle position sensor converts the throttle valve position into voltage and inputs it into the • The engine-ECU <M/T> or engine-A/T-ECU <A/T> controls the throttle valve position. TROUBLE JUDGMENT Check Condition • Ignition switch is in ON position. Judgment Criterion • Throttle position sensor (sub) output voltage is 2.25 V or less for 0.5 second. PROBABLE CAUSE • Failed throttle position sensor (sub) AK305560 6 1 2 3 4 5 9192 939495 96979899 100 105 113114 115116117 118119120 106 107108109 110111112 101102103 104 (sub) Hall IC AB 5 V 106 5 B C-115 W B R Engine-ECU <M/T> or 113 105 7 6 3 Throttle position sensor (sub) circuit B-06 C-113 (MU803805) Wire colour code Electronic-controlled |