Eos (1F7) V6-3.2L (BUB) (2008)
Amplifier is equipped with On Board Diagnostic (OBD) capabilities.
When performing fault finding, use Vehicle Diagnosis, Testing and Information System (VAS 5051) or Vehicle Diagnosis and Service System (VAS
5052) in "Guided Fault Finding" function.
Digital Satellite Radio Tuner
On Board Diagnostics
Digital Satellite Radio Tuner
The digital satellite radio tuner is equipped with On Board Diagnostic (OBD) capabilities
When performing fault finding, use Vehicle Diagnosis, Testing and Information System (VAS 5051) or Vehicle Diagnosis and Service System (VAS
5052) in "Guided Fault Finding" function.
Telephone System
On Board Diagnostics
Telephone System
Telephone systems are equipped with On Board Diagnostic (OBD) capabilities.
When performing fault finding, use Vehicle Diagnosis, Testing and Information System (VAS 5051) or Vehicle Diagnosis and Service System (VAS
5052) in "Guided Fault Finding" function.
CAN-Bus Terminal Resistance, Checking
CAN-Bus Terminal Resistance, Checking
Special tools, testers and auxiliary items required
‹› Multimeter.
‹› Wiring diagram.
Test requirement
‹› A CAN-Bus malfunction was recognized.
‹› The Engine Control Module (ECM) ( J623) fuses OK.
‹› Battery voltage at least 12.5 volts.
‹› All electrical consumers such as, lights and rear window defroster, switched off.
‹› Vehicles with automatic transmission, shift selector lever into position " P" or "N".
‹› A/C switched off.
‹› Ground (GND) connections between engine/transmission/chassis OK.
‹› Ignition switched off.
Function
The Engine Control Module (ECM) communicates with other CAN-Bus capable control modules.
The control modules are connected by two data bus wires which are twisted together (CAN_High and CAN_Low), and exchange information
(messages). Missing information on the CAN-bus is recognized as a malfunction by the Engine Control Module (ECM) and the other control modules
connected to the CAN-bus.