Circuit Open/Short Inspection

WARNING: This page is about a different variant/trim than selected.

Inspect the following wiring harnesses for open or short circuit (continuity check).

Fig 1: Identifying Fuel Pump Relay Connector Terminals
Courtesy of MAZDA MOTORS CORP.

Open circuit

If there is no continuity, there is an open circuit. Repair or replace the harness.
- Fuel pump unit terminal C(California emission regulation applicable model), A(Except for California emission regulation applicable model) and fuel pump relay terminal C
- Fuel pump unit terminal B(California emission regulation applicable model), E(Except for California emission regulation applicable model) and body ground
Short circuit
- If there is continuity, there is a short circuit. Repair or replace the harness.
  - Fuel pump unit terminal C(California emission regulation applicable model), A (Except for California emission regulation applicable model) and body ground
  - Fuel pump unit terminal B(California emission regulation applicable model), E(Except for California emission regulation applicable model) and power supply
Fig 2: Identifying Fuel Pump Unit Connectors
Courtesy of MAZDA MOTORS CORP.

Call outs for Fig 2

*1: California emission regulation applicable model

*2: Except for California emission regulation applicable model