|
|
SEF159T SEF547P SEF548P DIAGNOSTIC PROCEDURE INSPECTION START CHECK POWER SUPPLY. harness connector. 2. Turn ignition switch “ON”. q 1 and ground with CONSULT-II or tester. OK E NG Repair harness or connec- CHECK GROUND CIRCUIT. 2. Check harness continuity between termi- nal 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 short I Harness for open or short I Harness for open or short If NG, repair open circuit or CHECK COMPONENT OK E NG Replace EGR temperature Perform “TROUBLE DIAGNOSIS FOR INSPECTION END SEF643Q COMPONENT INSPECTION EGR temperature sensor Check resistance change and resistance value. GI MA EM LC FE AT PD FA RA BR ST RS BT HA EL IDX TROUBLE DIAGNOSIS FOR DTC P1401 EGR Temperature Sensor (Cont’d) H H H H H EC-421 |