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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <3.0L ENGINE> 13B-281 STEP 4. Check for harness between the left heated oxygen connector B-14 and the ECM connector B-10. (2) Measure the resistance between the heated oxygen sensor connector B-14 and the ECM connector B-10. a. Connector B-14 (terminal No. 2) and connector B-10 (terminal No. 39). b. Connector B-14 (terminal No. 4) and connector B-10 (terminal No. 38). • Should be less than 2 ohms. (3) Check for the continuity between the oxygen sensor connector B-14 and ground. a. Connector B-14 (terminal No. 2) and ground • Not continuity. Q: Is the harness wire in good condition? YES : Go to Step 5. Inspection P.00E-2 . Then go to Step 12. STEP 5. Check harness connector B-115, B-116, B-120 at YES : Go to Step 6. Connector Inspection P.00E-2 . Then go to Step 12. AK700287 1 2 3 4 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 AB B-14 harness B-10 harness 1 2 3 4 AK700288 AB B-14 harness |