4. Check Fuel Pump Power Supply And Ground Circuit For Open And Short
- Turn ignition switch OFF.
- Disconnect "fuel level sensor unit and fuel pump" harness connector.
- Disconnect dropping resistor harness connector.
- Check harness continuity between the following;
fuel pump relay terminal 5 and fuel pump terminal 3,
fuel pump terminal 1 and dropping resistor terminal 2,
dropping resistor terminal 1 and ground.
Refer to Wiring Diagram.
- Continuity should exist.
- Also check harness for short to ground and short to power.
OK or NG
OK: GO TO 6.
NG: GO TO 5.