CONSULT Function
FUNCTION
CONSULT can display each diagnostic item using the diagnostic test modes
shown following. 
*: The following diagnosis information is erased by erasing.
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.
When "PAST" is displayed on self-diagnosis result.
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
EPS SystemEPS SYSTEM : System Description EPS control unit performs an arithmetical operation on data, such as steering wheel turning force (sensor signal) from the torque sensor, vehicle speed signal, ...

Reference Value VALUES ON THE DIAGNOSIS TOOL CAUTION: The output signal indicates the EPS control unit calculation data. The normal values will be displayed even in the event that the output cir ...
Additional service when replacing
ECM
Description
When replacing ECM, the following procedure must be performed.
PROGRAMMING OPERATION
NOTE:
After replacing with a blank ECM, programming is required to write ECM
information. Be sure to follow the procedure
to perform the programming.
Work Procedure
1.CHECK ECM PART NUMBER
Che ...
Lock-up control
Lock-up control : system diagram
Lock-up control : system description
The torque converter clutch piston in the torque converter is engaged to
eliminate torque converter slip to
increase power transmission efficiency.
The torque converter clutch control valve operation is controlle ...