Toyota Yaris: Power Steering System / Diagnosis System
DIAGNOSIS SYSTEM
DTC
-
The rack and pinion power steering gear assembly stores a DTC when it detects a malfunction in the ECU and power steering system circuit.
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CHECK DLC3
(a) Check the DLC3.
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CHECK WARNING LIGHT
(a) Turn the ignition switch to ON and check the EPS warning light.
OK:
Illuminates the EPS warning light.
HINT:
If the EPS warning light does not illuminate, check the EPS warning light circuit.
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(b) Turn the ignition switch to ON and check the EPS warning light.
OK:
EPS warning light off
HINT:
If the EPS warning light does not turn off, check the EPS warning light circuit
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Terminals Of Ecu
TERMINALS OF ECU CHECK POWER STEERING ECU ASSEMBLY
*a Component without harness connected (Power Steering ECU Assembly) - - (a) Measure the voltage and resistance according to the value(s) in the table below...
Dtc Check / Clear
DTC CHECK / CLEAR CHECK DTCs (USING GTS) Chassis > EMPS > Trouble Codes (a) Check the details of the DTCs. Click here
CLEAR DTCs (USING GTS) Chassis > EMPS > Clear DTCs (a) Clear the DTCs...
Other information:
Toyota Yaris XP210 (2020-2025) Reapir and Service Manual: Check For Intermittent Problems
CHECK FOR INTERMITTENT PROBLEMS NOTICE: If the vehicle or vehicle controls are operated (for example, during initial inspection when the vehicle is brought in for repair) before vehicle control history (RoB) has been read out and saved, the vehicle control history (RoB) information could be lost...
Toyota Yaris XP210 (2020-2025) Reapir and Service Manual: Auto Up Operation does not Fully Close Power Window (Jam Protection Function is Activated)
DESCRIPTION If a door glass does not slide smoothly or a power window regulator motor assembly or door window regulator sub-assembly does not operate smoothly, the jam protection function may be triggered automatically, resulting in the auto up operation being unable to fully close the power window...
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Front Seat Belt Pretensioners
The front seat belt pretensioners are designed to deploy in moderate or severe frontal, near frontal collisions.
In addition, the pretensioners operate when a side collision or a rollover accident is detected. The pretensioners operate differently depending on what types of air bags are equipped. For more details about the seat belt pretensioner operation, refer to the SRS Air Bag Deployment Criteria.
