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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <3.0L ENGINE> 13B-187 STEP 13. Check for short circuit to ground and harness YES : Go to Step 14. STEP 14. Check the left bank heated oxygen sensor (rear). connector B-23 and connect test harness special tool, (2) Warm up the engine until engine coolant 80 ° C (176 ° F) or higher. CAUTION Be very careful when connecting the jumper wires; positive battery terminal and terminal 3 (blue clip) to the (4) Connect a digital volt meter between terminal 2 (black clip) and terminal 4 (white clip). (5) While repeatedly revving the engine, measure the left bank heated oxygen sensor (rear) output voltage. Standard value: 0.6 − 1.0 V Q: Is the voltage at the standard value? YES : Replace the ECM or PCM. Then go to Step 15. Then go to Step 15. AK000214 AK000214AB CONNECTOR : B-23 AK000225 CONNECTOR : C-62<M/T>, C-59<A/T> C-59 C-62 PCM<A/T> ECM<M/T> AL ACX02488 CONNECTOR : B-23 LEFT BANK AC AKX01625 AB BLUE JUMPER BLACK RED WHITE MB991316 |