mazda Workshop Repair Guides

Mazda Workshop Service and Repair Manuals

Fuel Pump Ballast Resistor|Testing and Inspection|Page 2278 > < Initial Inspection and Diagnostic Overview|Page 2274
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Fuel Pump Ballast Resistor: Testing and Inspection

Resistor

1. Disconnect the fuel pump resistor and relay connector. Measure the resistance between terminals A and B using an ohmmeter.

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If not as specified, replace the fuel pump resistor and relay (speed).

Specification: 0.38 - 0.42 Ohms.

Relay

Specification

1. Disconnect the fuel pump resistor and relay connector.
2. Apply battery positive voltage and inspect continuity between terminals of the relay using an ohmmeter.

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If not as specified, replace the fuel pump resistor and relay (speed).

Fuel Pump Ballast Resistor|Testing and Inspection|Page 2278 > < Initial Inspection and Diagnostic Overview|Page 2274