DTC Troubleshooting Index
DTC TROUBLESHOOTING INDEX
| DTC | Detection Item |
|---|---|
| 11-01 | Low/High IG1-terminal voltage (Initial diagnosis) |
| 11-02 | Low/High IG1-terminal voltage (Regular diagnosis) |
| 12-01 | Low/High VBU voltage (Regular diagnosis) |
| 21-01 | Excessive change of the vehicle speed signal (Regular diagnosis) |
| 21-02 | Comparison between vehicle speed and engine speed signal (Regular diagnosis) |
| 22-01 | Engine speed signal (Initial diagnosis) |
| 31-01 | No writing the torque sensor neutral position (Initial diagnosis) (see MEMORIZING THE TORQUE SENSOR NEUTRAL POSITION |
| 32-01 | EPS control unit internal circuit (current sensor) (Initial diagnosis) |
| 32-02 | EPS control unit internal circuit (current sensor) (Regular diagnosis) |
| 32-07 | EPS control unit internal circuit (current sensor) (Steering diagnosis) |
| 32-08 | Current sensor (Steering diagnosis) |
| 32-09 | Current sensor (Initial diagnosis) |
| 33-01 | Lower FET stuck ON (Initial diagnosis) |
| 33-02 | Upper FET stuck ON (Initial diagnosis) |
| 33-06 | Lower FET stuck ON (Regular diagnosis) |
| 33-07 | Upper FET stuck ON (Regular diagnosis) |
| 34-01 | Power relay stuck ON (When ignition switch is OFF) |
| 34-02 | Fail-safe relay stuck ON (Initial diagnosis) |
| 35-01 | EPS control unit internal circuit (CPU) (Initial diagnosis/Regular diagnosis) |
| 35-02 | EPS control unit internal circuit (EEPROM) (Initial diagnosis) |
| 35-03 | EPS control unit internal circuit (EPS CPU) (Initial diagnosis) |
| 35-04 | EPS control unit internal circuit (CPU communication) (Regular diagnosis) |
| 35-05 | EPS control unit internal circuit (motor/EPS CPU) (Initial diagnosis) |
| 35-06 | EPS control unit internal circuit (ITN communication) (Regular diagnosis) |
| 35-07 | EPS control unit internal circuit (INHL/INHR ports) (Initial diagnosis/ Regular diagnosis) |
| 36-02 | EPS control unit internal circuit (INH output circuit) (Initial diagnosis) |
| 37-01 | EPS control unit internal circuit (step-up circuit) (Initial diagnosis) |
| 51-01 | Low/High voltage for torque sensor VT1 and VT2 (Regular diagnosis) |
| 51-02 | Torque sensor (VT3 differential-amplification function) (Regular diagnosis) |
| 51-03 | Torque sensor (VT1, VT2 rapid-change) (Regular diagnosis) |
| 51-06 | Torque sensor (VT1, VT2 average) (Regular diagnosis) |
| 51-07 | Torque sensor (VT1, VT2 initial check) (Initial diagnosis) |
| 61-04 | Open/short in motor harness (Steering diagnosis) |
| 71-01 | Motor angle sensor (SIN/COS signals) (Steering diagnosis) |
| 71-02 | Motor angle sensor (neutral position learning of SIN/COS) (Initial diagnosis) |
| 71-03 | Motor angle sensor (SIN/COS signal out) (Steering diagnosis) |
| 71-04 | Motor angle sensor (check signals) (Regular diagnosis) |
| 71-05 | Motor angle sensor (SIN/COS signals charging amount) (Steering diagnosis) |
| 71-06 | Motor angle sensor (neutral position of SIN/COS) (Initial diagnosis) |
NOTE:
- Initial diagnosis: Done right after the engine starts and until the EPS indicator goes off.
- Regular diagnosis: Done right after the initial diagnosis until the ignition switch is turned off.
- Steering diagnosis: Done during regular diagnosis while turning steering wheel.