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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <3.0L ENGINE> 13B-251 STEP 3. Check connector B-20 at the crankshaft position YES : Go to Step 4. Connector Inspection ( ). Then go to Step 20. STEP 4. Using scan tool MB991502, check data list item 22: CAUTION To prevent damage to scan tool MB991502, always turn the 22, Crankshaft Position Sensor. • The tachometer and engine speed indicated on the scan (4) Turn the ignition switch to the "LOCK" (OFF) position. Q: Is the sensor operating properly? YES : It can be assumed that this malfunction is intermittent. Refer to GROUP 00, How to Use Troubleshooting/ NO : Replace the ECM or PCM. Then go to Step 20. STEP 5. Check connector B-20 at the crankshaft position YES : Go to Step 6. Connector Inspection ( ). Then go to Step 20. AK000216AB AK000216 CONNECTOR : B-20 AKX01177 16 PIN MB991502 AB AK000216AB AK000216 CONNECTOR : B-20 |