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SYMPTOM PROCEDURES TSB Revision SIMPLIFIED WIRING SYSTEM (SWS) 54B-183 STEP 2. Check the input signal by using "DATA LIST" Turn the ignition switch to the "ON" position before checking procedure below to display "ETACS ECU." (2) Check that normal conditions are displayed for the items described in the table below. Q: Does the scan tool MB991958 display "IG SW (IG1)" as normal condition? does not receive any signal from the ignition switch STEP 3. Check power window relay connector C-203 for Q: Is power window relay connector C-203 in good condition? to GROUP 00E, Harness Connector Inspection . The power windows function should now work normally. ITEM NO. ITEM NAME NORMAL CONDITION ITEM 30 IG SW (IG1) ON AC305412 AB MB991910 DATA LINK CONNECTOR MB991824 MB991827 AC302210 COLUMN SWITCH COLUMN SWITCH MB991812 AB AC305415 AC JUNCTION BLOCK SIDE CONNECTOR:C-203 JUNCTION BLOCK (FRONT VIEW) |