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Millenia 2.3L

  1. Fuel pump resistor and relay (speed) is located in left rear corner of engine compartment. Disconnect fuel pump resistor and relay connector. To check fuel pump resistor, measure resistance between relay terminals "A" and "B". See Fig 1 . Resistance should be .38-.42 ohm. If resistance is not as specified, replace fuel pump resistor and relay.
  2. To check relay, check for continuity between terminals "E" and "F". See Fig 1 . Continuity should not exist. Using jumper wires, apply battery voltage to connector terminals "C" and "D". Continuity should exist between terminals "E" and "F". If continuity is not as specified, replace fuel pump resistor and relay (speed).
Fig 1: Identifying Fuel Pump Resistor & Relay (Speed) Connector Terminals (Millenia 2.3L)
G97A07228Courtesy of MAZDA MOTORS CORP.
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