mazda Workshop Repair Guides

Mazda Workshop Service and Repair Manuals

Fuel Pump Relay|Testing and Inspection|Page 2170 > < Initial Inspection and Diagnostic Overview|Page 2166
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Fuel Pump Relay: Testing and Inspection

Simulation Test

1. Carry out the "Fuel Pump Operation Inspection", "Fuel Pump Control Inspection".

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If not as specified, perform the further inspection for the fuel pump relay.

Continuity Inspection

NOTE:  Perform the following test only when directed.

1. Disconnect the negative battery cable.

2. Remove the fuel pump relay.

3. Inspect for continuity between the fuel pump relay terminals using an ohmmeter.

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If not as specified, replace the fuel pump relay.

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If as specified but the "Simulation Test" is failed, carry out the "Circuit Open/Short Inspection".

Circuit Open/Short Inspection

1. Remove the PCM.

2. Connect the SST (104 Pin Breakout Box) to the PCM as shown.
3. Tighten the connector attaching screw.

Tightening torque: 

Fuel Pump Relay|Testing and Inspection|Page 2170 > < Initial Inspection and Diagnostic Overview|Page 2166