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3 DETECT MALFUNCTIONING PART Check the following. I Fuse block (J/B) connector B5 I 10A fuse I 15A fuse I Harness for open or short between fuse and fuel pump relay © Repair harness or connectors. 4 CHECK CONDENSER CIRCUIT FOR OPEN AND SHORT 1. Turn ignition switch OFF. ground. Continuity should exist. 4. Also check harness for short to ground and short to power. OK or NG OK © GO TO 6. NG © GO TO 5. 5 DETECT MALFUNCTIONING PART Check the following. I Harness for open or short between fuel pump relay and condenser I Harness for open or short between condenser and ground © Repair open circuit or short to ground or short to power in harness or connectors. 6 CHECK CONDENSER 1. Turn ignition switch OFF. SEF124Y Resistance: Above 1 M Ω at 25°C (77°F) OK or NG OK © GO TO 7. NG © Replace condenser. GI MA EM LC FE AT AX SU BR ST RS BT HA SC EL IDX FUEL PUMP Diagnostic Procedure (Cont’d) EC-709 |