Toyota Yaris: Front Radar Sensor System / Terminals Of Ecu

Toyota Yaris XP210 (2020-2022) Reapir and Service Manual / Engine & Hybrid System / Cruise Control / Front Radar Sensor 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

Problem Symptoms Table

PROBLEM SYMPTOMS TABLE HINT: Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table...

Diagnosis System

DIAGNOSIS SYSTEM DIAGNOSIS FUNCTION (a) If a malfunction is detected in the millimeter wave radar sensor assembly, the millimeter wave radar sensor assembly stores DTCs without directly informing the driver, and sends malfunction signals to the systems that use the millimeter wave radar sensor assembly...

Other information:

Toyota Yaris XP210 (2020-2022) Reapir and Service Manual: Air Vent cannot be Switched

DESCRIPTION If the air outlet mode does not change even though the air outlet display changes, the following factors may be the cause. Symptom Factor Air outlet mode cannot be changed (Air outlet display changes) No. 1 air conditioning radiator damper servo sub-assembly malfunction Damper link disconnection Air conditioner unit assembly malfunction PROCEDURE 1...

Toyota Yaris XP210 (2020-2022) Reapir and Service Manual: Components

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