mazda Workshop Repair Guides

Mazda Workshop Service and Repair Manuals

Fuel Pump Relay Control Inspection|Page 2352 > < Fuel Pump Relay Control Inspection
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Fuel Pump Relay: Testing and Inspection
Fuel Pump Relay 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" failed, carry out the "Circuit Open/Short Inspection".

Circuit Open/Short Inspection

1. Disconnect the PCM connector.

2. Connect the SST (104 Pin Breakout Box) with the PCM disconnecting.
3. Tighten the connector attaching bolt.

Tightening torque 
7.9 - 10.7 N.m {80 - 110 kgf.cm, 69.5 - 95.4 in.lbf}

4. Inspect the following wiring harness for open or short (continuity check).

Fuel Pump Relay Control Inspection|Page 2352 > < Fuel Pump Relay Control Inspection