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Circuit Opening Relay
- With relay connected, ensure specified voltage is present at relay terminals. See FUEL PUMP RELAY CIRCUIT VOLTAGES
table. On RX7, relay is on bracket behind instrument panel.
FUEL PUMP RELAY CIRCUIT VOLTAGES
| Terminal |
Ignition "ON" Volts |
Ignition "OFF" Volts |
Idle Volts |
| Fp |
0 |
12 |
12 |
| Fc |
12 |
0 |
0 |
| B |
12 |
12 |
12 |
| STA |
0 |
12 |
0 |
| E1 |
0 |
0 |
0 |
- If voltages are okay, remove relay from vehicle. Check relay operation using a 12-volt battery source and making resistance tests. See Fig 1
.
Courtesy of MAZDA MOTORS CORP.