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TSB Revision SYMPTOM PROCEDURES 13Ad-41 STEP 2. Using scan tool MB991502, check data list. CAUTION To prevent damage to scan tool MB991502, always turn the 13A, Data List Reference Table a. Item 21: Engine Coolant Temperature Sensor. (4) Turn the ignition switch to the "LOCK" (OFF) position. YES : Refer to GROUP 13A, On-vehicle Service − Clean the throttle valve area . NO : Repair or replace. Then confirm that the malfunction symptom is eliminated. INSPECTION PROCEDURE 11: When the engine is cold, it stalls at idle (die out). . COMMENT • In such cases as the above, the air/fuel mixture may be inappropriate when the engine is cold. . TROUBLESHOOTING HINTS (The most likely • Malfunction of the electronic control throttle valve system. • Malfunction of the throttle body. • Malfunction of the injector system. • Malfunction of the ignition system. DIAGNOSIS Required Special Tool: • MB991502: Scan Tool (MUT-II) STEP 1. Check if the battery terminal is disconnected. YES : Start the engine and let it run at idle for approximate 10 minutes after engine warm up. Then, if a NO : Go to Step 2. ACX01539 16-PIN MB991502 AC |