Nissan Versa Sedan Service ManualSteering » Steering control system (STC)
Diagnosis system (EPS control unit)
Diagnosis system (EPS control unit)
CONSULT Function
FUNCTION
CONSULT can display each diagnostic item using the diagnostic test modes
shown following. 
*: The following diagnosis information is erased by erasing.
- DTC
- Freeze frame data (FFD)
ECU IDENTIFICATION
Displays the part number stored in the control unit.
SELF-DIAG RESULTS MODE
Refer to STC "DTC Index".
When "CRNT" is displayed on self-diagnosis result.
- The system is presently malfunctioning.
When "PAST" is displayed on self-diagnosis result.
- System malfunction in the past is detected, but the system is presently normal.
FREEZE FRAME DATA (FFD)
The following vehicle status is recorded when DTC is detected and is
displayed on CONSULT. 
DATA MONITOR MODE
*1: Almost in accordance with the value of "MOTOR SIG". It is not a malfunction though these values are not accorded when steering quickly.
*2: Normally displays 100%. In case of an excessive stationary steering, the assist curvature gradually falls.
However, it returns to 100% when left standing.
*3: It is not a malfunction, though it might not be corresponding just after ignition switch in turned ON.
ECU DIAGNOSIS INFORMATION