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: Components
COMPONENTS ILLUSTRATION *1 REAR AXLE HUB AND BEARING ASSEMBLY *2 REAR AXLE SHAFT NUT *3 REAR DISC BRAKE CALIPER ASSEMBLY *4 REAR SPEED SENSOR *5 REAR FLEXIBLE HOSE *6 REAR DRIVE SHAFT ASSEMBLY *7 REAR BRAKE *8 REAR DISC *9 PARKING BRAKE SHOE ADJUSTING HOLE PLUG - - Tightening torque for "Major areas involving basic vehicle performance such as moving/turning/stopping" : N*m (kgf*cm, ft...
Toyota Yaris XP210 (2020-2025) Reapir and Service Manual: Ecu Configuration
ECU CONFIGURATION STABILIZE A POWER SOURCE ON THE VEHICLE SIDE Shut off as many following systems and parts as possible since they would generate an electrical load. CAUTION: If vehicle systems affect a voltage to reduce during reprogramming, it may disable the ECU in reprogramming, which concludes an ECU replacement...
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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.
