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SEF327T SEF617T SEF328T SEF067T SEF330T DIAGNOSTIC PROCEDURE INSPECTION START CHECK OVERALL FUNCTION. 2. Pinch fuel feed hose with fingers. Fuel pressure pulsation should be felt NG E OK INSPECTION END CHECK POWER SUPPLY. 2. Disconnect fuel pump relay. q 1 , q 3 and ground with CONSULT-II or tester. OK E NG Check the following. I Harness connectors F63 , M49 I 15A fuse I Harness continuity If NG, repair harness or CHECK GROUND CIRCUIT. 2. Disconnect fuel pump harness connector and dropping resistor harness connector. 3. Check harness continuity between relay terminal q 5 and terminal q 1 , FPCM ter- minal q 3 and terminal q 1 , terminal q 2 and body ground. OK E NG Check the following. I Harness connectors B3 , M4 I Harness connectors M49 , F63 I Harness connectors B111 , B26 I Joint connector-17 I Harness for open or short I Harness for open or short I Harness for open or short If NG, repair open circuit or q A GI MA EM LC FE AT PD FA RA BR ST RS BT HA EL IDX TROUBLE DIAGNOSIS FOR NON-DETECTABLE ITEMS Fuel Pump Control (Cont’d) H H H H EC-525 |