Toyota Yaris: Seat Heater System / Operation Check

System Description

SYSTEM DESCRIPTION FRONT SEAT HEATER (a) By operating the seat heater switch, the temperature can be controlled within the range of 30 to 50°C (86 to 122°F)...

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...

Other information:

Toyota Yaris XP210 (2020-2026) Owner's Manual: Ignition Switch

Push Button Start Positions The system operates only when the driver is in the vehicle or within operational range while the key is being carried. Each time the push button start is pressed, the ignition switches in the order of off, ACC, and ON...

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Power Source Mode does not Change to ON (IG)

DESCRIPTION If the engine switch is pressed with the electrical key transmitter sub-assembly in the cabin, the certification ECU (smart key ECU assembly) receives a signal and changes the power source mode. Related Data List and Active Test Items Problem Symptom Data List and Active Test Power source mode does not change to on (IG) but does change to on (ACC) Power Source Control Power Supply Condition IGP Relay Circuit (Outside) Monitor IGP Relay Circuit (Inside) Monitor IGR Relay Circuit (Outside) Monitor IGR Relay Circuit (Inside) Monitor WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: 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...