|
|
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <3.0L ENGINE> 13B-777 • MB991827: USB Cable • MB991910: Main Harness A STEP 1. Using scan tool MB991958, read the diagnostic CAUTION To prevent damage to scan tool MB991958, always turn the YES : Refer to Diagnostic Trouble Code Chart . NO : Go to Step 2. STEP 2. Using scan tool MB991958, check data list. . a. Item 6: Engine Coolant Temperature Sensor. c. Item 12: Accelerator pedal position sensor (sub) d. Item 76: A/C switch (3) Turn the ignition switch to the "LOCK" (OFF) position. YES : Refer to GROUP 17, Emission Control − Evaporative Emission Control System − Evaporative Emission Purge Solenoid Check NO : Repair or replace it. Then confirm that the malfunction symptom is eliminated. AK700568AB MB991824 MB991827 MB991910 Data link |