Circuit Open/Short Inspection
- Inspect the following wiring harnesses for open or short circuit (continuity check).
- Open circuit
- If there is no continuity, there is an open circuit. Repair or replace the harness.
- Fuel pump unit terminal A and fuel pump relay terminal C
- Fuel pump unit terminal E and body GND (except for California emission regulation applicable model)
- Fuel pump unit terminal B and body GND (for California emission regulation applicable model)
- Short circuit
- If there is continuity, there is a short circuit. Repair or replace the harness.
- Fuel pump unit terminal A and body GND
- Fuel pump unit terminal E and power supply (except for California emission regulation applicable model)
- Fuel pump unit terminal B and power supply (for California emission regulation applicable model)
Courtesy of MAZDA MOTORS CORP.