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SYMPTOM PROCEDURES TSB Revision SIMPLIFIED WIRING SYSTEM (SWS) 54B-461 STEP 3. Check the input signal by using "DATA LIST" • Ignition switch: ON or START • Driver’s door: open Operate scan tool MB991958 according to the procedure below 1. Select "SYSTEM SELECT." Check that normal conditions are displayed on the items Q: Are normal conditions displayed on the "IG SW (IG1)" and "FRONT DOOR SW"? Step 4. Normal condition is not displayed on the "IG SW (IG1)" : Refer to Inspection Procedure O-2 "ETACS-ECU Normal condition is not displayed on the "FRONT "ETACS-ECU does not receive any signal from the ITEM NO. ITEM NAME NORMAL ITEM 30 IG SW (IG1) ON ITEM 32 FRONT DOOR SW ON AC309091 MB991911 MB991827 MB991824 AB MB991806 MB991862 DATA LINK DATA LINK |