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AUTOMATIC TRANSMISSION DIAGNOSIS AUTOMATIC TRANSMISSION 23A-48 DIAGNOSIS Required Special Tool: • MB991958: Diagnostic Tool (MUT-III Sub Assembly) • MB991824: V.C.I. • MB991827: MUT-III USB Cable • MB991910: MUT-III Main Harness A STEP 1. Using diagnostic tool MB991958, check data list CAUTION To prevent damage to diagnostic tool MB991958, always connector. (2) Start the engine. • Item 7: Transmission Fluid Temperature Sensor. • When the engine is cool: Diagnostic tool display is almost equal to the ambient temperature (atmo- NOTE: Set diagnostic tool MB991958 to the Engine • When the engine is warm, at approximately running temperature: 70 − 80°C. (4) Turn the ignition switch to the "LOCK" (OFF) position. Q: Is the sensor operating properly? YES : It can be assumed that this malfunction is intermittent. Refer to GROUP 00, How to Use − How to Cope with Intermittent Malfunction NO : Go to Step 2. 00DB076A MB991910 DATA LINK CONNECTOR MB991824 MB991827 |