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Home >> Mazda >> 2004 >> 3 L4-2.3L >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Relays and Modules - Computers and Control Systems >> Main Relay (Computer/Fuel System) >> Testing and Inspection >> Main Relay Operation Inspection
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Main Relay Operation Inspection

MAIN RELAY OPERATION INSPECTION

1. Verify that the main relay clicks when the ignition switch is turned to ON position and off.
- If there is no operation sound, inspect the following:
- Main relay
- Harness and connector between ignition switch and main relay terminal A.
- Harness and connector between PCM terminal 1AT and main relay terminal B.