| DTC | Detection Item | Note | 
| DTC: 12 | A problem with voltage for torque sensor T/SIG | (see page 17-74) | 
| DTC: 16 | A problem with average of voltage for torque sensor VT3 and VT6 | (see page 17-76) | 
| DTC: 17 | A problem with the voltage for torque sensor 12 V power source Vcc 1 | (see page 17-78) | 
| DTC: 18 | A problem with the voltage for torque sensor 5 V power source Vcc 2 | (see page 17-78) | 
| DTC: 22 | A problem with the average for vehicle speed and engine speed | (see page 17-80) | 
|  | Excessive change of the vehicle speed sensor signal | (see page 17-80) | 
| DTC: 23 | A problem with the engine speed signal circuit | (see page 17-80) | 
| DTC: 37 | A problem with the circuit for input motor voltage in the EPS control unit | (see page 17-81) | 
| DTC: 41 | A problem with the motor voltage | (see page 17-82) | 
| DTC: 42 | A problem with the motor driven current | (see page 17-84) | 
| DTC: 43 | A problem with the motor driven current | (see page 17-87) | 
| DTC: 45 | A problem with the motor driven current | (see page 17-84) | 
| DTC: 47 | A problem with the motor relay in the EPS control unit | (see page 17-88) | 
| DTC: 50 | A problem with the CPU in the EPS control unit | (see page 17-89) | 
| DTC: 51 | A problem with E2PROM in the EPS control unit | (see page 17-89) | 
| DTC: 62 | Fail-safe relay stuck ON | (see page 17-90) | 
| DTC: 64 | A problem with low battery voltage | (see page 17-90) | 
|  | Fail-safe relay contact failure | (see page 17-90) | 
| DTC: 66 | A problem with the motor driven voltage | (see page 17-91) | 
| DTC: 67 | A problem with the torque sensor I/F circuit | (see page 17-91) | 
| DTC: 68 | A problem with the interlock circuit | (see page 17-91) | 
| DTC: 69 | A problem with the interlock circuit | (see page 17-92) |