Toyota Yaris: Pre-collision System / Terminals Of Ecu

Toyota Yaris XP210 (2020-2025) Reapir and Service Manual / Vehicle Interior / Pre-collision / Pre-collision System / Terminals Of Ecu

TERMINALS OF ECU

NOTICE:

Turning the ignition switch to ON with connectors disconnected may cause DTCs to be stored. Make sure to clear the DTCs after inspection has been performed.
Do not apply excessive force to the millimeter wave radar sensor assembly connector.

CHECK MILLIMETER WAVE RADAR SENSOR ASSEMBLY

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

Terminal No. (Symbol)	Terminal Description	Condition	Specified Condition
B8-8 (IGB) - B8-1 (SGND)	Power source	Ignition switch ON	10.5 to 16 V
B8-8 (IGB) - B8-1 (SGND)	Power source	Ignition switch off	Below 1 V
B8-1 (SGND) - Body ground	Ground	Always	Below 1 Ω

CHECK FORWARD RECOGNITION CAMERA

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Diagnosis System

DIAGNOSIS SYSTEM FUNCTION OF WARNING INDICATOR AND MESSAGE (a) If the pre-collision system is not functioning properly, the driver is warned by the PCS warning light and a warning message is displayed on the multi-information display...

Dtc Check / Clear

DTC CHECK / CLEAR CHECK DTC (a) Check for DTCs (Test Failed / Pending / Confirmed). Body Electrical > Pre-Collision System > 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: Fail-safe Chart

FAIL-SAFE CHART FAIL-SAFE OPERATION If there is a problem with sensor signals or actuator systems, the skid control ECU prohibits power supply to the brake actuator assembly and informs the ECM of an VSC system malfunction. The brake actuator assembly turns off the solenoids and the ECM stops its VSC control according to signals from the skid control ECU...

Toyota Yaris XP210 (2020-2025) Owner's Manual: Daytime Running Lights

Some countries require moving vehicles to have their lights on (daytime running lights) during the daytime. The daytime running lights turn on automatically when the vehicle starts moving. They turn off when the parking brake is operated or the shift lever is shifted to the P position (automatic transaxle vehicle)...