Trouble Shooting: Notes

WARNING: This page is about a different car, the 1988 Honda Civic. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Observe PGM-FI or Check Engine warning light. If light is on and no codes are flashed by LED on ECU, this indicates that backup system is in operation. See LED DOES NOT FLASH under CODE 0, NO CODES in TESTING section of this article.