Main Relay Operation Inspection
WARNING: This page is about a different car, the 2004 Mazda RX-8. 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 the ON position and off.
- If there is no operation sound, inspect the following:
- Main relay (See MAIN RELAY OPERATION INSPECTION .)
- Wiring harness and connector between battery and main relay terminal A.
- Wiring harness and connector between PCM terminal 5AC, 5AF and main relay terminal C.
- Wiring harness and connector between PCM terminal 4E and main relay terminal E.
- Wiring harness and connector between PCM terminal 4Q and engine fuse.
- If there is no operation sound, inspect the following: