Three phase current of the motor is controlled by three phase voltage.
EPS(MDPS=Motor Drive Power Steering) ECU sets this code and inhibits EPS control if these voltage values are different from predefined value.
Item | Detecting Condition | Possible cause |
DTC Strategy |
•
Check motor voltage | 1. Faulty Motor 2. Faulty ECU voltage sensor |
Enable Conditions |
•
Engine "ON" | |
Threshold Value |
•
Comparison voltage not the same - Motor open (48ms) - Motor short (2ms) | |
Fail Safe |
•
EPS warning lamp "ON" | |
Restoration Conditions |
•
Normal condition after IG on → off |