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SYMPTOM PROCEDURES TSB Revision SIMPLIFIED WIRING SYSTEM (SWS) 54B-312 STEP 2. Check the input signal by using "DATA LIST" CAUTION To prevent damage to scan tool MB991958, always turn the ." (2) Operate scan tool MB991958 according to the procedure below to display "COLUMN ECU." (3) Check that normal conditions are displayed for the items described in the table below. Q: Does the scan tool MB991958 display "PASSING SW" as normal condition? turned "ON", the headlights (low-beam and NO : Refer to Inspection Procedure M-5 "ETACS-ECU does not receive any signal from the passing switch ITEM NO. ITEM NAME NORMAL CONDITION ITEM 03 PASSING SW ON AC305411AB MB991910 DATA LINK CONNECTOR MB991827 MB991824 MB991806 MB991812 AC302210 COLUMN SWITCH COLUMN SWITCH MB991812 AB |