EGR Position Sensor (Millenia)
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2002 Mazda Protege5, 2002 Mazda Protege, 2002 Mazda Millenia, 2002 Mazda MX-5 Miata, and 2002 Mazda MPV. However, it is still accessible from the selected car via links, so may be relevant.
EGR position sensor is part of EGR valve. Disconnect EGR position sensor connector. Disconnect vacuum hose from EGR control valve. While applying vacuum to EGR valve, measure resistance between EGR position sensor terminals. See EGR POSITION SENSOR RESISTANCE SPECIFICATIONS table. See Fig 1 . Apply 5.9 in. Hg of vacuum to EGR position sensor and recheck resistance. If resistance is not as specified, replace EGR valve.
EGR POSITION SENSOR RESISTANCE SPECIFICATIONS
| Terminals | (1) Ohms With No Vacuum Applied | (1) Ohms With Vacuum Applied | ||
|---|---|---|---|---|
| A & B | 2700 | 2700 | ||
| A & C | 500 | 2700 | ||
| B & C | 2400 | 100 | ||
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