|
|
FUEL PUMP EC-719 C D E F G H I J K L M A EC 4. CHECK FUEL PUMP POWER SUPPLY AND GROUND CIRCUIT FOR OPEN AND SHORT 1. Turn ignition switch OFF. 2. Disconnect “fuel level sensor unit and fuel pump” harness con- 3. Disconnect dropping resistor harness connector. 4. Check harness continuity between the following; 5. 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. ● Harness connectors B211, M141 ● Harness connectors B63, B263 ● Fuse block (J/B) No. 2 connector M143 ● Harness for open or short between fuel pump relay and fuel pump ● Harness for open or short between fuel pump and dropping resistor ● Harness for open or short between dropping resistor and ground >> Repair open circuit or short to ground or short to power in harness or connectors. PBIB1249E Continuity should exist. PBIB0032E |