CAN Communication Line Inspection
WARNING: This page is about a different car, the 2021 Hyundai Kona. However, it is still accessible from the selected car via links, so may be relevant.
| Item | Normal Value | Prerequisite Condition | Probe (+) | Probe (-) |
|---|---|---|---|---|
| CAN Communication Line (Short to Battery): Voltage | Approx. below 5V |
|
TCM CAN High terminal | Chassis ground |
| TCM CAN Low terminal | Chassis ground | |||
| CAN Communication Line (Short to Ground): Resistance | ∞ (infinite)Ω |
|
TCM CAN High terminal | Chassis ground |
| TCM CAN Low terminal | Chassis ground | |||
| CAN Communication Line (Open): Resistance | Approx. below 1Ω |
|
TCM CAN High terminal | HECU CAN High terminal |
| TCM CAN Low terminal | HECU CAN Low terminal |
- Is the result within specifications?
YES
- This can be an intermittent fault caused by poor contact in the sensor's and/or control module's connector. Or, control module's memory was not cleared after repair. Thoroughly check connectors for looseness, poor connection, ending, corrosion, contamination, deterioration, or damage.
NO
- Repair the CAN communication line with an open or short. Then, go to "VERIFICATION OF VEHICLE REPAIR ".