Toyota Yaris: Power Integration System / Fail-safe Chart

Toyota Yaris XP210 (2020-2024) Reapir and Service Manual / Power Source & Network / Power Distribution / Power Integration System / Fail-safe Chart

FAIL-SAFE CHART

FAIL-SAFE FOR SPECIFIC FUNCTIONS

(a) When semiconductor power integration ECU microcomputer have some malfunction, only right head light LO and right smart LDM power source can turn on or off with backup circuit in ignition switch ON. However, right head light LO and right smart LDM power source cannot turn on or off in ignition switch OFF.

Dtc Check / Clear

DTC CHECK / CLEAR CHECK DTC (a) Check semiconductor power integration ECU (1) Check for DTCs. Body Electrical > Power Integration No.1 > Trouble Codes (b) Check power distribution box assembly (1) Check for DTCs...

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...

Other information:

Toyota Yaris XP210 (2020-2024) Reapir and Service Manual: Reassembly

REASSEMBLY CAUTION / NOTICE / HINT NOTICE: Do not drop the power steering ECU assembly, strike it with tools or subject it to impacts. If the power steering ECU assembly is subjected to an impact, replace it with a new one. Do not pull the wire harness...

Toyota Yaris XP210 (2020-2024) Reapir and Service Manual: Freeze Frame Data

FREEZE FRAME DATA DESCRIPTION (a) Whenever a lane tracing assist system DTC is stored, the forward recognition camera stores the current vehicle state (ECU and sensor information) as Freeze Frame Data. CHECK FREEZE FRAME DATA (a) Select a DTC to display the freeze frame data...