Main Relay Operation Inspection
WARNING: This page is about a different car, the 2004 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.
- 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.
- If there is no operation sound, inspect the following: