Toyota Yaris: Power Integration System / Diagnostic Trouble Code Chart

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual / Power Source & Network / Power Distribution / Power Integration System / Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART

Integration Relay System

DTC No.	Detection Item	Link
B235204	Power Integration No.1 System Internal Failure
B235504	Power Distribution Box System Internal Failure
B235A9F	IGR Diode Stuck Off

Data List / Active Test

DATA LIST / ACTIVE TEST READ DATA LIST NOTICE: In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not...

Vehicle Control History

VEHICLE CONTROL HISTORY NOTICE: Make sure to record any output Vehicle Control History codes before clearing them and checking the Vehicle Control History again...

Other information:

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Parts Location

PARTS LOCATION ILLUSTRATION *A w/ Toyota Safety Sense *B w/ Active Noise Control System *1 ENGINE HOOD COURTESY SWITCH (HOOD LOCK ASSEMBLY) *2 VACUUM SENSOR ASSEMBLY *3 INNER REAR VIEW MIRROR ASSEMBLY *4 ECM *5 SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY) *6 EXTERNAL BACKUP BOOST CONVERTER (ECO RUN VEHICLE CONVERTER ASSEMBLY) *7 MILLIMETER WAVE RADAR SENSOR ASSEMBLY *8 FORWARD RECOGNITION CAMERA *9 ENGINE ROOM RELAY BLOCK - EFI-MAIN NO...

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Backup Boost Converter "A" Circuit Current Above Threshold (P323A19)

DESCRIPTION A backup boost converter is built into the engine stop and start ECU. The backup boost converter helps maintain auxiliary battery voltage to prevent various functions from failing if power source voltage supplied from the backup boost converter drops due to the high electrical load when the engine is restarted by stop and start control...