Engine Tier-3 710655- Ch 1 page 19 S6 COO Diagnostic Fault Codes Measurement ECU Info/ID Data Logs Master Slave Diagnostic Faul Codes ECU Identification Program EEPROM To read the fault codes in the coordina tor (EMS COO.) VDO Tacho EST 37 EMS COO EMS S6 CT1 (CANbus conne- The CT1 has following func tions: Connection point for all CAN bus devices on the truck Contains two independent CANbus interfaces and han dles data transfers between these buses Connection point for engine diagnosis Handle WDB monitoring and alarm Handle histogram logging (In formation for service) ction) IVC4(B) Test port Laptop CT1 (CANbus connection) SHOP MANUAL MT26-31 - 06.2005