No Initial Combustion

Check ECU power source. See ECU POWER SOURCE CIRCUIT chart in I - SYS/COMP TESTS article in the ENGINE PERFORMANCE Section.
Check ignition signal circuit. See IGNITION CHECKS in BASIC TESTING article in the ENGINE PERFORMANCE Section.
Check fuel system circuit. See FUEL SYSTEM CIRCUIT chart in I - SYS/COMP TESTS article in the ENGINE PERFORMANCE Section.
Check ignition coil.
Check spark plugs.
Check injectors. See INJECTOR CIRCUIT chart in I - SYS/COMP TESTS article in the ENGINE PERFORMANCE Section.
Check engine compression.
Check cold start injector. See COLD START INJECTOR CIRCUIT chart in I - SYS/COMP TESTS article in the ENGINE PERFORMANCE Section.
Check RPM signal circuit. See CODES 12, 17 & 18 in TESTS W/CODES article in the ENGINE PERFORMANCE Section.
Check valve timing.
Check ECU.