Toyota Yaris: Power Integration System / Problem Symptoms Table

Toyota Yaris XP210 (2020-2023) Reapir and Service Manual / Power Source & Network / Power Distribution / Power Integration System / Problem Symptoms Table

PROBLEM SYMPTOMS TABLE

HINT:

Use the table below to help determine the cause of the problem symptom. 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. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.

Semiconductor Power Integration ECU

Symptom

Suspected Area

Link

LED headlight does not illuminate

Lighting system

Daytime running light does not illuminate

Lighting system

Fog lights do not illuminate

Lighting system

Power Distribution Box Assembly

Symptom

Suspected Area

Link

Rear taillights does not illuminate

Lighting system

Back-up light does not illuminate

Lighting system

Rear lights do not illuminate

Lighting system

Rear defogger does not operate

Window Defogger System

Panel lights do not illuminate

Lighting system

Mirror heater does not operate

Power Mirror Control System

Power retract mirror does not operate

Power Mirror Control System

Driver side seat heater does not operate (w/ Front Seat Heater)

Seat heater system

Front passenger side seat heater does not operate (w/ Front Seat Heater)

Seat heater system

Driver side seat belt warning light does not operate

Seat Belt Warning System

Front passenger side seat belt warning light does not operate

Seat Belt Warning System

    Utility

    U..

    Terminals Of Ecu

    TERMINALS OF ECU NOTICE: After the ignition switch is turned off, there may be a waiting time before disconnecting the negative (-) auxiliary battery terminal...

    Other information:

    Toyota Yaris XP210 (2020-2023) Reapir and Service Manual: Power Steering ECU Communication Stop Mode


    DESCRIPTION Detection Item Symptom Trouble Area Power Steering ECU Communication Stop Mode Communication stop for "Power Steering (EPS)" is indicated on the "Communication Bus Check" screen of the GTS. Click here Power steering ECU assembly main line or connector Power source circuit of power steering ECU assembly Power steering ECU assembly ground circuit Power steering ECU assembly WIRING DIAGRAM CAUTION / NOTICE / HINT CAUTION: When performing the confirmation driving pattern, obey all speed limits and traffic laws...

    Toyota Yaris XP210 (2020-2023) Reapir and Service Manual: Dtc Check / Clear


    DTC CHECK / CLEAR CHECK FOR DTC NOTICE: When DTC is output, Be sure to confirm and record. When using the GTS with the ignition switch off, connect the GTS to the DLC3 and turn a courtesy light switch on and off at intervals of 1.5 seconds or less until communication between the GTS and the vehicle begins...

    Categories

    Fuel Gauge

    The fuel gauge shows approximately how much fuel is remaining in the tank when the ignition is switched ON. We recommend keeping the tank over 1/4 full.

    Toyota Yaris. Fuel Gauge

    Full 1/4 Full Empty

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