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Resistor Relay (RX7 Only)

WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 1990 Mazda RX-7, 1990 Mazda Protege, 1990 Mazda MX-6, 1990 Mazda MX-5 Miata, and 1990 Mazda MPV. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove air cleaner and airflow meter. Disconnect fuel pump resistor. Ensure continuity exists between terminals "a" and "b". See Fig 1 and Fig 2 .
  2. Measure resistance between the following terminals. Resistance between terminals "c" and "d" should be 60-92 ohms and between "e" and "f" should be .70-.94 ohms. If resistor relay does not test as specified, replace relay.
Fig 1: RX7 Fuel Pump Control Circuit
G117622Courtesy of MAZDA MOTOR CORP.
Fig 2: Testing Fuel Pump Resistor Relay (RX7)
G36015Courtesy of MAZDA MOTORS CORP.
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