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SYMPTOM PROCEDURES TSB Revision SIMPLIFIED WIRING SYSTEM (SWS) 54B-300 STEP 2. Check the input signal by using "FUNCTION • Ignition switch: ON • Lighting switch: TAIL NOTE: Turn the ignition switch to the "ON" position in order to below to display "TAILLIGHT." (2) Check that normal conditions are displayed for the items described in the table below. Q: Does the scan tool MB991958 display the items "TAILLIGHT SW", "H/L AUTO-CUT" and "FRONT ECU Step 3. Normal condition is not displayed for "TAILLIGHT SW" : Refer to Inspection Procedure M-5 "ETACS-ECU Normal condition is not displayed for "H/L AUTO-CUT" : Refer to Inspection Procedure H-9 "Headlight Normal condition is not displayed for "FRONT ECU illuminate normally. ITEM NO. ITEM NAME NORMAL CONDITION ITEM 01 TAILLIGHT SW ON ITEM 35 H/L AUTO-CUT OFF ITEM 70 FRONT ECU ACK NORMAL ACK AC305411AB MB991910 DATA LINK CONNECTOR MB991827 MB991824 MB991806 MB991812 AC302210 COLUMN SWITCH COLUMN SWITCH MB991812 AB |