Toyota Yaris: Warning/Indicator Lights / Wrench Indicator Light

Indicator Lights

These lights turn on or flash to notify the user of the system operation status or a system malfunction. KEY Indicator Light   Wrench Indicator Light TCS/DSC Indicator Light DSC OFF Indicator Light Low Speed Pre-Collision System Indicator Light Low Speed Pre-Collision System OFF Indicator Light Low Engine Coolant Temperature Indicator Light Shift Position Indication Headlight High-Beam Indicator Light Turn Signal/Hazard Warning Indicator Lights Security Indicator Light Cruise Main Indication Cruise Set Indication/Indicator Light Select Mode Indicator Light Lights-On Indicator Light Front Passenger Air Bag Deactivation Indicator Light * 1: The light turns on when the ignition is switched on for an operation check, and turns off a few seconds later or when the engine is started...

Low Engine Coolant Temperature Indicator Light (Blue)

The light illuminates continuously when the engine coolant temperature is low and turns off after the engine is warm. If the low engine coolant temperature indicator light remains illuminated after the engine has been sufficiently warmed up, the temperature sensor could have a malfunction...

Other information:

Toyota Yaris XP210 (2020-2025) Reapir and Service Manual: Power Integration No.1 System Internal Failure (B235204)

DESCRIPTION This DTC is output when the semiconductor power integration ECU detects a Internal circuit error. DTC No. Detection Item DTC Detection Condition Trouble Area B235204 Power Integration No.1 System Internal Failure Microcomputer abnormality AD circuit trouble Semiconductor power integration ECU WIRING DIAGRAM Click here CAUTION / NOTICE / HINT NOTICE: When using the GTS with the ignition switch off to troubleshoot: Connect the GTS to the vehicle, and turn a courtesy switch on and off at 1...

Toyota Yaris XP210 (2020-2025) Reapir and Service Manual: Lost Communication with ECM/PCM "A" Missing Message (U010087,U012687,U012987)

DESCRIPTION The AWD ECU assembly receives signals from the ECM, steering sensor and skid control ECU (brake actuator assembly) via CAN communication. DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Memory U010087 Lost Communication with ECM/PCM "A" Missing Message When the ignition switch is ON, the IG1 terminal voltage is 10 V or more and the vehicle speed is 60 km/h (37 mph) or more, signals cannot be received from the ECM for 1 second or more CAN communication system AWD ECU assembly ECM Displayed Yes U012687 Lost Communication with Steering Angle Sensor Module Missing Message When the following continues: When the IG1 terminal voltage is 10 V or more, communication with the steering sensor is impossible for 1 second or more When the IG1 terminal voltage is 10 V or more, a condition in which communication with the steering sensor is impossible occurs 1 time or more within a 5-second period, and this occurs 10 times within 60 seconds CAN communication system AWD ECU assembly Steering sensor Displayed Yes U012987 Lost Communication with Brake System Control Module Missing Message When the IG1 terminal voltage is 10 V or more, communication with the skid control ECU (brake actuator assembly) is impossible for 3 seconds or more CAN communication system AWD ECU assembly Skid control ECU (Brake actuator assembly) Displayed Yes PROCEDURE 1...