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DIAGNOSIS CONTROLLER AREA NETWORK (CAN) 54C-186 DIAGNOSIS Required Special Tools: • MB991223: Harness Set • MB991219: Inspection Test Harness • MB992045: A/T-ECU Check Harness STEP 1. Check ENGINE- ECU connector B-21, combination CAUTION The strand end of the twisted wire should be within 10 cm Q: Are ENGINE- ECU connector B-21, combination meter connector C-101 and data link connector C-125 in good 16DB400A COVER ENGINE CONTROL UNIT AIR CLEANER 16DB475A CONNECTORS: C-101, C-125 C-101 C-125 C-125 (B) C-101 HARNESS SIDE |