Toyota Yaris: Power Integration System / Fail-safe Chart

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

ENGINE HINT: Perform these procedures after the engine has cooled down. INSPECT DRIVE BELT (a) Inspect the drive belt. Click here INSPECT ENGINE OIL (a) Inspect the engine oil. Click here REPLACE ENGINE OIL AND OIL FILTER (a) Replace the engine oil and oil filter...

Toyota Yaris XP210 (2020-2025) Reapir and Service Manual: ECM Power Source Circuit

DESCRIPTION When the ignition switch is turned on (IG), the auxiliary battery voltage is applied to IGSW of the ECM. When the transistor in the MREL circuit operates, current flows from the auxiliary battery to ground through the drive circuit of the EFI-MAIN NO...