Toyota Yaris: Cxpi Communication System / Precaution

NOTICE:

• After turning the ignition switch off, waiting time may be required before disconnecting the cable from the negative (-) auxiliary battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) auxiliary battery terminal notices before proceeding with work.

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• When disconnecting the cable from the negative (-) auxiliary battery terminal while performing repairs, some systems need to be initialized after the cable is reconnected.

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Cxpi Communication System

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Parts Location

PARTS LOCATION ILLUSTRATION *1 SEMICONDUCTOR POWER INTEGRATION ECU *2 ENGINE ROOM RELAY BLOCK - STD P/I NO. 1 FUSE - INP STD NO. 1-1 FUSE - WASHER FUSE *3 LIGHT CONTROL LED ECU RH *4 LIGHT CONTROL LED ECU LH ILLUSTRATION *1 MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) *2 POWER DISTRIBUTION BOX ASSEMBLY - ECU-IGR NO...

Other information:

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: System Description

SYSTEM DESCRIPTION LOAD OPERATION OUTPUT (a) Load is turned on or off according to the operation signals and switch signals from each ECU. Components Semiconductor Power Integration ECU Power Distribution Box Assembly Operation Signal Communication Support *1: w/ Front Seat Heater *2: Built into power distribution box assembly Headlight ECU Assembly ○ - Not supported Fog Light Assembly ○ - Supported Rear Window Defogger / Mirror Heater - ○ Supported Taillight - ○ Supported Rear Fog Light - ○ Supported Back-up Light - ○ Not supported Outer Rear View Mirror Assembly - ○ Supported Panel Illumination - ○ Supported Seat Heater LH*1 High/Low - ○ Not supported Seat Heater RH*1 High/Low - ○ Not supported Passenger Seat Buckle Switch Delegated Input - ○ - Occupant Detection Sensor Delegated Input - ○ - Rear Seat RH Buckle Switch Delegated Input - ○ - Rear Seat CTR Buckle Switch Delegated Input - ○ - Rear Seat LH Buckle Switch Delegated Input - ○ - IGR Relay*2 - ○ Not supported SEMICONDUCTOR FUSE FUNCTION (a) When a malfunction current occurs during load operation, the current is shut off before the electrical lines emit smoke, and then load is turned off...

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Front Fog Light Circuit

DESCRIPTION The main body ECU (multiplex network body ECU) controls the front fog lights. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Before replacing the main body ECU (multiplex network body ECU), refer to Registration. Click here First, confirm that there is no malfunction in the power integration system...