Toyota Yaris: Window Defogger System / Operation Check

Toyota Yaris XP210 (2020-2025) Reapir and Service Manual / Vehicle Exterior / Window / Glass / Window Defogger System / Operation Check

OPERATION CHECK

CHECK WINDOW DEFOGGER SYSTEM

(a) Turn the ignition switch to ON.

(b) Check that the rear window defogger wire becomes warm by operating the rear window defogger switch of the air conditioning control assembly.

NOTICE:

If the auxiliary battery voltage becomes low, auxiliary battery load control will operate in order to ensure sufficient power is supplied to the power steering system. In this case, the window defogger system may not operate.

HINT:

The window defogger system is linked with the mirror heater function.

How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT HINT: Use the following procedure to troubleshoot the window defogger system. *: Use the GTS. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP NEXT 2...

Problem Symptoms Table

PROBLEM SYMPTOMS TABLE HINT: Inspect the fuses and relays related to this system before inspecting the suspected areas below. Use the table below to help determine the cause of problem symptoms...

Other information:

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

PRECAUTION PRECAUTIONS WHEN INSPECTING STOP AND START SYSTEM NOTICE: When the audio and visual system volume is high, a fail-safe function may operate in order to maintain the operation of stop and start control. The fail-safe function is canceled when the ignition switch is turned off...

Toyota Yaris XP210 (2020-2025) Reapir and Service Manual: Lost Communication with ECM/PCM "A" Missing Message (U010087,U012987,U014087,U015587,U110387,U111787)

DESCRIPTION These DTCs are stored when there is a CAN communication malfunction between the certification ECU (smart key ECU assembly) and ECM, main body ECU (multiplex network body ECU) or combination meter assembly. DTC No. Detection Item DTC Detection Condition Trouble Area Note U010087 Lost Communication with ECM/PCM "A" Missing Message CAN communication malfunction between certification ECU (smart key ECU assembly) and ECM (1-trip detection logic*) ECM Turn the ignition switch to ON and wait at least 10 seconds...