C-CAN Communication Line Inspection
| Item | Normal Value | Prerequisite Condition | Probe (+) | Probe (-) |
|---|---|---|---|---|
| CAN communication line (short to battery): voltage | Approx. below 5V |
|
FCA CAN High terminal | Chassis ground |
| FCA CAN Low terminal | Chassis ground | |||
| CAN communication line (short to ground): resistance | Infinite |
|
FCA CAN High terminal | Chassis ground |
| FCA CAN Low terminal | Chassis ground |
- Is the result within specifications?
YES
- Check for an open in CAN High and Low lines among C-CAN modules.
- Check for poor contact of connectors attached all modules including dashboard, FCA, etc.: improper mating, terminal misplacement, loosening of a pin terminal. Repair relevant component(s) as necessary and then go to "VERIFICATION OF VEHICLE REPAIR ".
NO
- Repair the short between the power circuit and communication line circuit and go to "VERIFICATION OF VEHICLE REPAIR ".
- Repair the ground short in the communication line circuit and go to "VERIFICATION OF VEHICLE REPAIR ".