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DIAGNOSIS ⦆ MB991958: Scan Tool (M.U.T.-III Sub Assembly) ⦆ MB991824: Vehicle Communication Interface ⦆ MB991827: M.U.T.-III USB Cable ⦆ MB991910: M.U.T.-III Main Harness A Inspection Procedure 1: Scan tool MB991958 cannot DATA LIST REFERENCE TABLE M12704100035USA0000010000 M.U.T.-III can read the following items among various SYSTEM IS NORMAL. Item No. Check item Check condition Normal condition 01 Vehicle speed (AWD calculated Perform a test run of the vehicle. The speedometer 02 Ignition power supply voltage Ignition switch: ON 0 - 16 V 03 Coupling torque Ignition switch: ON 0 - 1200 N·m (0 - 04 Coupling current ⦆ Drive mode selector: AWD ⦆ Perform a test run of the vehicle. The current changes between and 5 A. (Command value 05 Coupling current ⦆ Drive mode selector: AWD ⦆ Perform a test run of the vehicle. The current changes between and 5 A. (Command value 06 Coupling Perform a test run of the vehicle. 0 - 200°C (0 - 392° 07 CAN system (ABS/ASC) Ignition switch: When ASC-ECU data is correctly OK When ASC-ECU data reception error No reception ELECTRONIC CONTROL AWD 27C-87 DIAGNOSIS |