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SYMPTOM PROCEDURES SIMPLIFIED WIRING SYSTEM (SWS) 54B-393 STEP 5. Check the input signal (by using the pulse check • Door switches • Interior lamp loaded signal (1) Operate diagnostic tool MB991958 according to the procedure below to display "Pulse check." (2) Check if diagnostic tool MB991958 sounds or not. Q: When any door switch, interior lamp or the trunk lid latch is operated, does diagnostic tool MB991958 Replace the ETACS-ECU. Verify that the dome lamp When one of the doors is opened and closed, Inspection Procedure N-3 "ETACS-ECU does not ." When one of the interior lamps is illuminated, Inspection Procedure N-9 "ETACS-ECU does not ." ITEM NAME CONDITION interior lamp loaded Turn on one of the interior lamps door switch Open or close one of the doors 00DB076A MB991910 DATA LINK CONNECTOR MB991824 MB991827 |