The following items must be initialized for normal system operation in cases such as after the battery is reconnected, or maintenance is performed on the vehicle.

Initialization
For ownersTorque Sensor Zero Point Adjustment Incomplete (C1516,C1526)
DESCRIPTION
These DTCs do not indicate a malfunction. The power steering ECU stores these
DTCs when it determines that the rotation angle sensor value initialization and
torque sensor zero point calibration are incomplete.
DTC No.
D ...
Black Screen
PROCEDURE
1.
CHECK DISPLAY SETTING
(a) Check that the display is not in screen off mode.
OK:
The display setting is not in screen off mode.
NG
CHANGE SCREEN TO SCREEN ON MODE
...
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT COOLING FAN OPERATION AT LOW TEMPERATURES (Below 83°C (181°F))
(a) Turn the ignition switch to ON.
(b) Check that the cooling fans stop.
If not, check the cooling fan relays and engine coolant temperature senso ...