EPS CONTROL UNIT
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 circuit (harness) is open.
NOTE: The following table includes information (items) inapplicable to this vehicle. For information (items) applicable to this vehicle, refer to CONSULT display items.

*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
TERMINAL LAYOUT

PHYSICAL VALUES


Fail-Safe
Protection Function
EPS control unit decreases the output signal to EPS motor during continuous extreme use of the power steering function (e.g., full steering) for protection of the EPS motor and EPS control unit (Overload protection control).
DTC Inspection Priority Chart
When multiple DTCs are detected simultaneously, check one by one depending on the following priority list.

DTC Index

Diagnosis system (EPS control unit)
Wiring diagramWasher level switch signal circuit
Description
Transmits the washer fluid level switch signal to the combination meter.
Diagnosis Procedure
Regarding Wiring Diagram information, refer to MWI-32, "Wiring Diagram".
1.CHECK WASHER FLUID LEVEL SWITCH SIGNAL CIRCUIT
Turn ignition switch OFF.
Disconnect comb ...
Vacuum lines
Exploded View
Clamp
Vacuum hose
Vacuum tube
Clip
Vacuum hose
To intake manifold
To brake booster
Paint mark
Stamp indicating engine direction
Removal and Installation
REMOVAL
Remove the cowl top. Refer to EXT-25, "Removal and Installati ...
U1050, U1051 LIN communication
DTC Description
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
U1050
LIN COMMUNICATION
[LIN (Local Interconnect Network) communication)]
ECM detects LIN communication error.
U1051
POSSIBLE CAUSE
...