Toyota Yaris: Cxpi Communication System / Precaution

Toyota Yaris XP210 (2020-2025) Reapir and Service Manual / Power Source & Network / Networking / Cxpi Communication System / Precaution

PRECAUTION

PRECAUTION FOR SEMICONDUCTOR POWER INTEGRATION ECU

(a) Do not remove or install the semiconductor power integration ECU and power distribution box assembly with the negative (-) auxiliary battery terminal connected.

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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(b) Make sure that the semiconductor power integration ECU and power distribution box assembly is not exposed to water, as it is not waterproof.

(c) Some load is connected to a dedicated circuit to prevent overcurrent. Therefore, parts other than those specified for the vehicle may not be able to be used.

(d) When replacing the semiconductor power integration ECU and power distribution box assembly, the system may not operate normally if the same part number is not used.

(e) Check that systems are operating normally before proceeding with troubleshooting.

    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...

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


    INSPECTION PROCEDURE 1. INSPECT STEERING WHEEL SWITCH HOUSING (a) Check the resistance. (1) Measure the resistance according to the value(s) in the table below. *a Component without harness connected (Steering Wheel Switch Housing) - - Standard Resistance: Light Switch Circuit Tester Connection Condition Specified Condition z6-3 (T) - z4-3 (T) Always Below 1 Ω z6-12 (H) - z4-4 (H) Always Below 1 Ω z6-7 (A) - z4-5 (A) Always Below 1 Ω z6-16 (HU) - z4-6 (HU) Always Below 1 Ω z6-11 (HF) - z4-7 (HF) Always Below 1 Ω z6-8 (TR) - z4-8 (TR) Always Below 1 Ω z6-14 (TL) - z4-9 (TL) Always Below 1 Ω z6-6 (CR) - z4-10 (CR) Always Below 1 Ω z6-13 (BFG) - z4-11 (BFG) Always Below 1 Ω z6-4 (B) - z4-12 (B) Always Below 1 Ω z6-5 (EL) - z4-13 (EL) Always Below 1 Ω Wiper Switch Circuit Tester Connection Condition Specified Condition z5-10 (W_OFF) - z4-24 (W_OFF) Always Below 1 Ω z5-13 (+S) - z4-25 (+S) Always Below 1 Ω z5-11 (+1) - z4-26 (+1) Always Below 1 Ω z5-12 (+2) - z4-27 (+2) Always Below 1 Ω z5-14 (MIST) - z4-28 (MIST) Always Below 1 Ω z5-15 (WF) - z4-31 (WF) Always Below 1 Ω z5-5 (E) - z4-33 (E) Always Below 1 Ω z5-4 (VR) - z4-34 (VR) Always Below 1 Ω If the result is not as specified, replace the steering wheel switch housing...

    Toyota Yaris XP210 (2020-2025) Reapir and Service Manual: Before Starting Target Adjustment


    BEFORE STARTING TARGET ADJUSTMENT CAUTION / NOTICE / HINT NOTICE: When replacing the windshield glass of a vehicle equipped with a forward recognition camera, make sure to use a Toyota genuine part. If a non-Toyota genuine part is used, the forward recognition camera may not be able to be installed due to a missing bracket or the pre-collision system may not operate properly due to a difference in the transmissivity of the windshield glass or the shape of the black ceramic border...

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    Supplemental Restraint System (SRS) Precautions

    The front and side supplemental restraint systems (SRS) include different types of air bags. Please verify the different types of air bags which are equipped on your vehicle by locating the “SRS AIRBAG” location indicators. These indicators are visible in the area where the air bags are installed.

    The air bags are installed in the following locations:

    The steering wheel hub (driver air bag) The front passenger dashboard (front passenger air bag) The outboard sides of the front seatbacks (side air bags) The front and rear window pillars, and the roof edge along both sides (curtain air bags)

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