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SYMPTOM PROCEDURES TSB Revision SIMPLIFIED WIRING SYSTEM (SWS) 54B-97 DIAGNOSIS Required Special Tools: • MB991223: Harness Set • MB991958: Scan Tool (MUT-III Sub Assembly) • MB991824: Vehicle Communication Interface (V.C.I.) • MB991827: MUT-III USB Cable • MB991911: MUT-III Main Harness B • MB991813: SWS Monitor Kit • MB991806: SWS Monitor Cartridge • MB991812: SWS Monitor Harness (For Column-ECU) • MB991822: Probe Harness STEP 1. Use scan tool MB991958 to select "ECU COMM CAUTION To prevent damage to scan tool MB991958, always turn the monitor (2) Connect SWS monitor kit MB991862 to the data link connector (13-pin). (3) Turn the ignition switch to the "LOCK" (OFF) position. below to display "ECU COMM CHK." 1. Select "SYSTEM SELECT." (5) Scan tool MB991958 should show "OK" on the "ECU COMM CHK" menu for the "ETACS ECU" menu. Q: Is "OK" displayed on the "ETACS ECU" menu? YES : Go to Step 2. with ETACS-ECU is not possible AC309091 MB991911 MB991827 MB991824 AB MB991806 MB991862 DATA LINK DATA LINK |