Signal Circuit 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 (-) |
|---|---|---|---|---|
| Signal circuit (open/short): voltage | Battery voltage |
|
EPS ECU switch power terminal | Chassis ground |
| Signal circuit (short): voltage | Infinite |
|
EPS ECU switch power terminal attached to signal circuit | Chassis ground |
- Is the result within specifications?
YES
- Inspect for an open/short in the EPS ECU switch signal circuit.
- Replace the EPS ECU with an usable one and check for proper operation. If it works properly, replace the EPS ECU (MOTOR DRIVEN POWER STEERING (MDPS) SYSTEM ).
NO
- Repair relevant component(s) as necessary and go to "VERIFICATION OF VEHICLE REPAIR ".