Toyota Yaris: Power Steering System / Diagnosis System
DIAGNOSIS SYSTEM
DTC
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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 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 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:
DESCRIPTION The certification ECU (smart key ECU assembly) generates a request signal and transmits the signal to the electrical key antenna (outside luggage compartment). For the electrical key antenna (outside luggage compartment) to detect when the electrical key transmitter sub-assembly is brought close to the vehicle, the received request signal is transmitted within approximately 1 m (3...
WORK PROCEDURE PROCEDURES NECESSARY WHEN ECU OR OTHER PARTS ARE REPLACED Replacement Part Necessary Procedure Effect/Inoperative Function when Necessary Procedures are not Performed Link
*1: When the steering sensor is replaced with a new one, Update ECU security key is necessary...
Categories
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.
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