mazda Workshop Repair Guides

Mazda Workshop Service and Repair Manuals

Malfunction Indicator Lamp > < Main Relay (Computer/Fuel System)|Locations|Page 2521
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Main Relay (Computer/Fuel System): Testing and Inspection

Main Relay Testing

1.

Verify that relay "clicks" when ignition is switched ON and OFF.

2.

Unplug relay connector.  Check that there is no continuity across terminals C and D.

3.

Apply 12V to relay terminal A and ground terminal B.

4.

Check that continuity now exists across terminals C and D.

5.

If not as specified, replace relay.

Malfunction Indicator Lamp > < Main Relay (Computer/Fuel System)|Locations|Page 2521