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MULTIPORT FUEL INJECTION(MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <3.0L> 13B-413 STEP 15. Check for harness damage between injector a. Check the harness wire between injector connector B- 22 terminal 2 and PCM connector C-39 terminal 1 when b. Check the harness wire between injector connector B- 21 terminal 2 and PCM connector C-39 terminal 9 when c. Check the harness wire between injector connector B- 19 terminal 2 and PCM connector C-39 terminal 24 d. Check the harness wire between injector connector B- 17 terminal 2 and PCM connector C-39 terminal 2 when e. Check the harness wire between injector connector B- 25 terminal 2 and PCM connector C-39 terminal 10 f. Check the harness wire between injector connector B- 30 terminal 2 and PCM connector C-39 terminal 25 Q: Is the harness wire in good condition? YES : Check the following items, and repair or replace the defective items. a. Check the ignition coil, spark plugs, spark plug cables. b. Check if the injectors are clogged. c. Check compression pressure. d. Check fuel lines for clogging. kerosene, etc.) got into fuel. Then confirm that the malfunction symptom is eliminated. NO : Repair it.Then confirm that the malfunction symptom is eliminated. INSPECTION PROCEDURE 7: Hard Starting COMMENT • In cases such as the above, the cause is usually TROUBLESHOOTING HINTS (The most likely • Malfunction of the ignition system. • Malfunction of the injector system. • Poor fuel quality. (Contamination) • Poor compression. DIAGNOSIS Required Special Tool: AK000618 AK000618 AE CONNECTORS:B-17,B-19,B-21,B-22,B-25,B-30 B-25 B-19 B-22 B-30 B-17 B-21 AK000280 CONNECTOR : C-39 PCM AW |