ECM Power Circuits
Turn ignition on. Check for battery voltage between ground and indicated ECM connector terminal. See ECM POWER & GROUND CIRCUITS table. If battery voltage is not indicated, check MFI main relay operation. See RELAYS & SOLENOIDS .
Turn ignition on. Check for battery voltage between ground and indicated ECM connector terminal. See ECM POWER & GROUND CIRCUITS table. If battery voltage is not indicated, check MFI main relay operation. See RELAYS & SOLENOIDS .