Toyota Yaris: Lane Tracing Assist System / Terminals Of Ecu

Toyota Yaris XP210 (2020-2022) Reapir and Service Manual / Engine & Hybrid System / Cruise Control / Lane Tracing Assist System / Terminals Of Ecu



  • DTCs may be output when connectors are disconnected during inspection. Therefore, be sure to clear the DTCs using the GTS once the inspection has been completed.
  • Do not apply excessive force to the forward recognition camera connector.


(a) Measure the voltage and resistance according to the value(s) in the table below.

Terminal No. (Symbol)

Terminal Description


Specified Condition

V10-7 (IGB) - V10-10 (GND)

Power source

Ignition switch ON

11 to 14 V

Ignition switch off

Below 1 V

V10-3 (LKSW) - V10-10 (GND)

Steering pad switch signal

(LTA main switch signal)

Ignition switch off

LTA main switch off

1 MΩ or higher

Ignition switch off

LTA main switch on

228 to 252 Ω

V10-10 (GND) - Body ground



Below 1 Ω

    Diagnosis System

    DIAGNOSIS SYSTEM DIAGNOSIS MODE FUNCTION (a) When a malfunction occurs in the lane tracing assist system, the LTA indicator light illuminates in yellow and a message is displayed on the multi-information display...

    Dtc Check / Clear

    DTC CHECK / CLEAR CHECK DTC (a) Check for DTCs (Test Failed / Pending / Confirmed). Chassis > Lane Control > Trouble Codes GTS Display Description Test Failed Represent malfunctions that were detected during the current trip...

    Other information:

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    Toyota Yaris XP210 (2020-2022) Reapir and Service Manual: ECM/PCM Engine Off Timer Performance Signal Invalid (P261029)

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    Liftgate/Trunk Lid


    Never allow a person to ride in the luggage compartment/trunk

    Allowing a person to ride in the luggage compartment/trunk is dangerous. The person in the luggage compartment/trunk could be seriously injured or killed during sudden braking or a collision.

    Do not drive with the liftgate/trunk lid open

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