Toyota Yaris: Power Assist Systems / Power Steering System
- Precaution
- Parts Location
- System Diagram
- System Description
- How To Proceed With Troubleshooting
- Calibration
- Problem Symptoms Table
- Terminals Of Ecu
- Diagnosis System
- Dtc Check / Clear
- Freeze Frame Data
- Fail-safe Chart
- Data List / Active Test
- Diagnostic Trouble Code Chart
- On-vehicle Inspection
- Vehicle Control History
- Power Steering Control Module Processor System Internal Failure (C05D604,...,C15D362)
- Supply Voltage Circuit Circuit Voltage Above Threshold (C123A17)
- Power Steering Torque Sensor "A" Signal Compare Failure (C151162,C151187,C151262,C151287)
- Power Steering Torque Sensor "A" Supply Voltage Circuit Voltage Above Threshold (C151A17)
- Power Steering Torque Sensor "B" Supply Voltage Circuit Voltage Above Threshold (C151B17)
- Power Steering Motor "A" Supply Voltage Circuit Voltage Below Threshold (C155A16,C155A17,C155B16,C155B17)
- Lost Communication with Steering Angle Sensor Module Missing Message (U012687,U010087,U012987,U014087,U023A87)
- Heavy Steering Feel (EPS Warning Light (Yellow))
- EPS Warning Light Circuit
INSTALLATION CAUTION / NOTICE / HINT NOTICE: After performing the update ECU security key procedure, make sure to perform the initialization procedure for when the cable has been disconnected and reconnected to the negative (-) auxiliary battery terminal...
PRECAUTION HANDLING PRECAUTIONS FOR SRS AIRBAG SYSTEM (a) This vehicle is equipped with a Supplemental Restraint System (SRS). Failure to carry out service operations in the correct sequence could cause the SRS to unexpectedly deploy during servicing...
Other information:
DESCRIPTION These DTCs are stored when a malfunction occurs in the active noise control microphone LH system. DTC No. Detection Item DTC Detection Condition Trouble Area B1AA296 Front Left Microphone Circuit Component Internal Failure Stereo component equalizer assembly detects malfunction in active noise control microphone LH for 4 seconds or more continuously when engine speed is 1200 rpm or more*
Harness or connector
Active noise control microphone LH
Stereo component equalizer assembly
B1AA31C Front Left Microphone Circuit Circuit Voltage Out of Range Stereo component equalizer assembly detects active noise control microphone LH connection malfunction for 4 seconds or more continuously*
Harness or connector
Active noise control microphone LH
Stereo component equalizer assembly
HINT: *: Malfunction monitoring is not performed under the following conditions, in order to prevent erroneous detection...
INSTALLATION CAUTION / NOTICE / HINT HINT:
Use the same procedure for the RH side and LH side.
The following procedure is for the LH side.
If the rear speed sensor rotor needs to be replaced, replace the rear axle hub and bearing assembly.
PROCEDURE 1...
Categories

Smart key
Auxiliary key
Key code number plate
To use the auxiliary key, press the knob and pull out the auxiliary key
from the smart key.

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