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SEF123T SEF387U q A CHECK GROUND CIRCUIT. minal q 2 and engine ground. Continuity should exist. OK E NG Check the following. I Harness connectors F63 , M49 I Harness connectors M4 , B3 I Joint connector-16 I Harness for open or I Harness for open or I Harness for open or If NG, repair open circuit or CHECK INPUT SIGNAL CIRCUIT. terminal q 63 and terminal q 1 . Continuity should exist. OK E NG Repair harness or connec- CHECK COMPONENT OK E NG Replace throttle position CHECK COMPONENT OK E NG Replace mass air flow sen- CHECK COMPONENT OK E NG Replace camshaft position CHECK COMPONENT OK E NG Replace fuel injector. Perform “TROUBLE DIAGNOSIS FOR INSPECTION END GI MA EM LC FE AT PD FA RA BR ST RS BT HA EL IDX TROUBLE DIAGNOSIS FOR DTC P0120 Throttle Position Sensor (Cont’d) H H H H H H H H EC-157 |