|
|
SYMPTOM PROCEDURES TSB Revision SIMPLIFIED WIRING SYSTEM (SWS) 54B-376 DIAGNOSIS Required Special Tools: • MB991223: Harness Set • MB991958: Scan Tool (MUT-III Sub Assembly) • MB991824: Vehicle Communication Interface (V.C.I.) • MB991827: MUT-III USB Cable • MB991910: MUT-III Main Harness A STEP 1. Check the turn-signal lights. YES : Go to Step 2. do not flash when the turn-signal light switch is turned STEP 2. Check the input signal (by using the pulse check CAUTION To prevent damage to scan tool MB991958, always turn the ." (2) Operate scan tool MB991958 according to the procedure below to display "Pulse check." (3) Check that scan tool MB991958 sounds when the hazard warning light switch is turned from "OFF" to "ON." Q: Does scan tool MB991958 sound when the hazard warning light switch is turned from "OFF" to "ON"? warning lights illuminate normally. NO : Refer to Inspection Procedure N-2 "ETACS-ECU does not receive any signal from the hazard warning ." AC305412 AB MB991910 DATA LINK CONNECTOR MB991824 MB991827 |