Symptom Chart
If EPS warning lamp turns ON, perform self-diagnosis. Refer to "SELF-DIAG RESULTS MODE ".
SYMPTOM CHART
| Symptom | Condition | Check item |
|---|---|---|
| EPS WARNING LAMP DOES NOT TURN ON WHEN IGNITION SWITCH TO "ON" . (EPS warning lamp check) |
Ignition switch: ON | CAN communication line |
| Combination meter | ||
| EPS WARNING LAMP DOES NOT TURN OFF FOR SEVERAL SECONDS AFTER STARTING THE ENGINE | Engine running | CAN communication line |
| Power supply and ground for EPS control unit | ||
| Torque sensor | ||
| EPS motor | ||
| Vehicle speed signal | ||
| Engine status signal | ||
| Combination meter | ||
| STEERING WHEEL TURNING FORCE IS HEAVY OR LIGHT, WHILE DRIVING |
|
CAN communication line |
| Vehicle speed signal | ||
| Engine status signal | ||
| EPS motor | ||
| Steering wheel turning force (Mechanical malfunction) | ||
| UNBALANCE STEERING WHEEL TURNING FORCE AND RETURN BETWEEN RIGHT AND LEFT, WHILE DRIVING |
|
Wheel alignment |
| Steering wheel turning force (Mechanical malfunction) | ||
| UNBALANCE STEERING WHEEL TURNING FORCE, WHILE DRIVING (TORQUE VARIATION) |
|
Steering column intermediate shaft installation condition |
| Steering wheel turning force (Mechanical malfunction) |