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MULTIPORT FUEL INJECTION(MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <3.0L> 13B-397 STEP 1. Using scan tool MB991502, check data list item 16: CAUTION To prevent damage to scan tool MB991502, always turn the 16, Power Supply Voltage. • Voltage should be battery positive voltage. (4) Turn the ignition switch to the "LOCK" (OFF) position. Q: Is the voltage normal? YES : Go to Step 2. − Power Supply System and Ignition Switch-IG System( STEP 2. Check the burned-out bulb. Q: Is the valve normal? YES : Go to step 3. symptom is eliminated. STEP 3. Check connector C-29,C-30 at the combination YES : Go to step 4. Connector Inspection( ). Then confirm that the malfunction symptom is eliminated. AC003081 AB 16 PIN MB991502 AK000633 C-29 C-30 CONNECTORS:C-29,C-30 AG |