Toyota Yaris: Power Steering System / Calibration
CALIBRATION
POWER STEERING ECU INITIAL SETTING (ASSIST MAP WRITING) (USING GTS)
NOTICE:
If any of the following conditions are met, perform Power Steering ECU Initial Setting (assist map writing):
- The power steering ECU assembly has been replaced.
- The electric power steering column sub-assembly has been replaced.
- There is a difference in steering effort between turning left and right.
(a) Perform Power Steering ECU Initial Setting (assist map writing).
(1) Align the front wheels straight ahead and center the steering wheel.
Chassis > EMPS > Utility| Tester Display |
|---|
| Power Steering ECU Initial Setting |
NOTICE:
- Do not turn the steering wheel sharply.
- During the torque sensor zero point calibration the steering wheel will shudder. Do not touch the steering wheel until at least 3 seconds have elapsed after the shuddering has stopped.
(2) Check for RoBs.
Chassis > EMPS > Utility| Tester Display |
|---|
| Vehicle Control History (RoB) |
NOTICE:
When Power Steering ECU Initial Setting (assist map writing) are completed, make sure to check for vehicle control history (RoB).
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT:
Use the following procedure to troubleshoot the power steering system.
*: Use the GTS.
PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
NEXT
2...
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE HINT:
Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table...
Other information:
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PRECAUTION DO NOT HANDLE REFRIGERANT IN AN ENCLOSED AREA OR NEAR AN OPEN FLAME *a Charging Cylinder ALWAYS WEAR EYE PROTECTION BE CAREFUL NOT TO GET LIQUID REFRIGERANT IN YOUR EYES OR ON YOUR SKIN If liquid refrigerant gets in your eyes or on your skin...
Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Disassembly
DISASSEMBLY CAUTION / NOTICE / HINT NOTICE: When removing and installing the combination meter glass, make sure not to touch the display panel. Do not allow any dirt (fingerprints, grease, etc.) to adhere to the combination meter glass. If the glass is dirty, wipe it clean with a soft cloth...
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Break-In Period
No special break-in is necessary, but a few precautions in the first 600 miles (1,000 km) may add to the performance, economy, and life of the vehicle.
Do not race the engine. Do not maintain one constant speed, either slow or fast, for a long period of time. Do not drive constantly at full-throttle or high engine rpm for extended periods of time. Avoid unnecessary hard stops. Avoid full-throttle starts.
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