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SYMPTOM PROCEDURES TSB Revision SIMPLIFIED WIRING SYSTEM (SWS) 54B-400 STEP 2. Check the input signal by using "FUNCTION • Ignition switch: ON • Fog light switch: ON NOTE: Turn the ignition switch to the "ON" position in order to CAUTION To prevent damage to scan tool MB991958, always turn the ." (2) Operate scan tool MB991958 according to the procedure below to display "F.FOG." (3) Check that normal conditions are displayed for the items described in the table below. Q: Does the scan tool MB991958 display the items "IG SW (IG1)" and "F.FOG LIGHT" as normal condition? Step 3. Normal condition is not displayed for "IG SW (IG1)" : Refer to Inspection Procedure M-2 "ETACS-ECU Normal condition is not displayed for "F.FOG LIGHT" : Refer to Inspection Procedure M-3 "ETACS-ECU ITEM NO. ITEM NAME NORMAL CONDITION ITEM 30 IG SW (IG1) ON ITEM 36 F.FOG LIGHT ON AC305411AB MB991910 DATA LINK CONNECTOR MB991827 MB991824 MB991806 MB991812 AC302210 COLUMN SWITCH COLUMN SWITCH MB991812 AB |