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
DTC/circuit diagnosis
POWER SUPPLY AND GROUND CIRCUIT
BCM (BODY CONTROL SYSTEM) (WITH INTELLIGENT KEY SYSTEM)
BCM (BODY CONTROL SYSTEM) (WITH INTELLIGENT KEY SYSTEM) : Diagnosis
Procedure
Regarding Wiring Diagram information, refer to BCS-50, "Wiring Diagram".
1. CHECK FUSE
Check that the following fuse i ...
Hill descent control switch (if so equipped)
Hill descent control switch (if so equipped)
WARNING
Never rely solely on the hill descent
control system to control vehicle speed
when driving on steep downhill grades.
Always drive carefully when using the
hill descent control system and decelerate
the vehic ...
Lumbar support switch
Exploded View
Seat cushion outer finisher
Lumbar support switch
Clip
Pawl
Removal and Installation
REMOVAL
Using a suitable tool release clips and remove seat cushion
outer finisher (1).
: Clip
Disconnect harness connector from lumbar support switch.
...