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MULTIPORT FUEL INJECTION(MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <2.4L> 13A-329 STEP 2. Using scan tool MB991502, read the diagnostic CAUTION To prevent damage to scan tool MB991502, always turn the Q: Is the DTC is output? YES : Refer to, Diagnostic Trouble Code Chart( ). NO : Go to Step 3. STEP 3. Using scan tool MB991502, check actuator test. Actuator Test Reference Table( a. Item 07: Fuel Pump. (3) Turn the ignition switch to the "LOCK" (OFF) position. Q: Is the actuator operating properly? YES : Go to Step 4. symptom is eliminated. STEP 4. Using scan tool MB991502, check data list. Reference Table( ). a. Item 21: Engine Coolant Temperature Sensor. (3) Turn the ignition switch to the "LOCK" (OFF) position. Q: Is the sensor operating properly? YES : Go to Step 5. symptom is eliminated. STEP 5. Check the engine start-ability. Q: Is the start ability good? YES : Go to Step 6. AC003081 AB 16 PIN MB991502 AC003081 AB 16 PIN MB991502 AC003081 AB 16 PIN MB991502 |