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Description
The power steering ecu outputs this dtc when it determines that the assist map is not written in the ecu.
Hint:
The assist map data is written in the power steering ecu to control assisting power.
The assist map has 3 types. Select an assist map according to the vehicle
country information that is
recorded in the ecu.![]()
Inspection procedure
Hint:
At this time, check that the p/s warning light is illuminated.
Result

Hint:
If the p/s warning light blinks at 0.25 Second intervals, the assist map adjustment has completed normally.

Result


Hint:
If dtc c1581/26 is output, turn the ignition switch off. Enter test mode again. If the dtc is output 3 times in a row, replace the power steering ecu.


Replace power steering ecu
Power supply relay failure
Control module communication bus offEnabling/Disabling the
Parking Support Brake
The Parking Support Brake can
be enabled/disabled on the
screen of the multi-information
display. All of the Parking Support
Brake functions (static
objects and rear-crossing vehicles)
are enabled/disabled
simultaneously.
When the Parking Support Brake is
disabled, the PKSB OFF indicator
illuminat ...
General maintenance
Listed below are the general maintenance items that should be
performed at the intervals specified in the “owner’s warranty
information booklet” or “owner’s manual supplement/scheduled
maintenance guide”. It is recommended that any problem
you notice should be brought to the attentio ...
How to proceed with troubleshooting
Hint:
Use these procedures to troubleshoot the vehicle stability
control system.
*: Use the intelligent tester.
Vehicle brought to workshop
Inspect battery voltage
Standard voltage:
11 to 14 v
If the voltage is below 11 v, recharge or replace the battery
before proceedin ...