Toyota Yaris: Lane Tracing Assist System / Terminals Of Ecu

Toyota Yaris XP210 (2020-2025) Reapir and Service Manual / Engine & Hybrid System / Cruise Control / Lane Tracing Assist System / Terminals Of Ecu

TERMINALS OF ECU

NOTICE:

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.

CHECK FORWARD RECOGNITION CAMERA

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

Terminal No. (Symbol)	Terminal Description	Condition	Specified Condition
V10-7 (IGB) - V10-10 (GND)	Power source	Ignition switch ON	11 to 14 V
V10-7 (IGB) - V10-10 (GND)	Power source	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
V10-3 (LKSW) - V10-10 (GND)	Steering pad switch signal (LTA main switch signal)	Ignition switch off LTA main switch on	228 to 252 Ω
V10-10 (GND) - Body ground	Ground	Always	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:

Toyota Yaris XP210 (2020-2025) Reapir and Service Manual: Precaution

PRECAUTION NOTICE: If the auxiliary battery has been discharged and charged or the cable has been disconnected and reconnected to the negative (-) auxiliary battery terminal, perform Steering Sensor Zero Point Calibration. Click here PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL PRECAUTIONS FOR LANE TRACING ASSIST SYSTEM (a) Precautions for Using the Lane Tracing Assist System (1) The lane tracing assist system provides information to the driver and performs steering assistance according to the road and driving conditions...

Toyota Yaris XP210 (2020-2025) Reapir and Service Manual: Freeze Frame Data

FREEZE FRAME DATA DESCRIPTION (a) When an airbag system DTC is stored, the airbag sensor assembly stores the current vehicle (ECU, sensor or squib) state as Freeze Frame Data. CHECK FREEZE FRAME DATA CAUTION: Never measure the resistance of the SRS parts because current from the tester may cause the SRS parts to deploy...