mazda Workshop Repair Guides

Mazda Workshop Service and Repair Manuals

Main Relay (Computer/Fuel System) > < Fuel Pump Relay Control Inspection|Page 1548
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Open circuit
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If there is no continuity, the circuit is open. Repair or replace the harness.
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Fuel pump relay terminal B (harness-side) and 104 pin break out box terminal 80 (without immobilizer system) or 104 (with immobilizer
system).

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Fuel pump relay terminal E (harness-side) and fuel pump unit terminal B (harness-side). 

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Fuel pump relay terminal A (harness-side) and main relay terminal D (harness-side).

Short circuit

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If there is continuity, the circuit is short. Repair or replace the harness.
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Fuel pump relay terminal B (harness-side) and body GND.

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Fuel pump relay terminal E (harness-side) and body GND.

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Fuel pump relay terminal A (harness-side) and power supply.

Main Relay (Computer/Fuel System) > < Fuel Pump Relay Control Inspection|Page 1548