|
|
MULTIPORT FUEL INJECTION(MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <2.4L> 13A-325 STEP 1. Check the Battery positive voltage. • The voltage should be 8 volts or more. Q: Is the voltage normal? YES : Go to Step 2. Battery check ( ). Then confirm that the malfunction symptom is eliminated. STEP 2. Check the timing belt for breaks. Q: Is the timing belt good condition? YES : Go to Step 3. symptom is eliminated. STEP 3 Using scan tool MB991502, check data list. CAUTION To prevent damage to scan tool MB991502, always turn the Reference Table( ). a. Item 16: Power Supply Voltage. c. Item 21: Engine Coolant Temperature Sensor. (4) Turn the ignition switch to the "LOCK" (OFF) position. Q: Are they operating properly? YES : Go to Step 4. symptom is eliminated. STEP 4. 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 5. symptom is eliminated. AC003081 AB 16 PIN MB991502 AC003081 AB 16 PIN MB991502 |