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DIAGNOSTIC TROUBLE CODE PROCEDURES SIMPLIFIED WIRING SYSTEM (SWS) 54B-37 STEP 3. Use diagnostic tool MB991958 to select "ECU • Sunroof-ECU • ETACS-ECU CAUTION Connect special tool MB991910 before connecting special monitor ." (2) Turn the ignition switch to the "LOCK" (OFF) position. procedure below to display "ECU COMM Check." (4) DIAGNOSTIC TOOL MB991958 should show "OK" on the "ECU COMM Check" menus for both the "SUNROOF ECU" Q: Are "OK" displayed for both the "SUNROOF ECU" and "ETACS ECU" menus? there is an intermittent malfunction such as poor ). "NG" is displayed for the "SUNROOF ECU" menu : Refer to Inspection Procedure A-5 "communication ." "NG" is displayed for the "ETACS ECU" menu : Refer to Inspection Procedure A-3 "Communication with the 00DB076A MB991910 DATA LINK CONNECTOR MB991824 MB991827 AC302210 COLUMN SWITCH COLUMN SWITCH MB991812 AB |