Toyota Yaris: Power Integration System / Dtc Check / Clear

Toyota Yaris XP210 (2020-2023) Reapir and Service Manual / Power Source & Network / Power Distribution / Power Integration System / 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.

Body Electrical > Power Distribution Box > Trouble Codes

CLEAR DTC

(a) Check semiconductor power integration ECU

(1) Clear the DTCs.

Body Electrical > Power Integration No.1 > Clear DTCs

(b) Check power distribution box assembly

(1) Clear the DTCs.

Body Electrical > Power Distribution Box > Clear DTCs

    Terminals Of Ecu

    TERMINALS OF ECU NOTICE: After the ignition switch is turned off, there may be a waiting time before disconnecting the negative (-) auxiliary battery terminal...

    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...

    Other information:

    Toyota Yaris XP210 (2020-2023) Reapir and Service Manual: All Power Windows do not Operate with Driver Side Door Key Cylinder or Wireless Transmitter


    DESCRIPTION Wireless Transmitter-linked Function When a key switch is pushed: 1) the door control receiver receives the wireless door lock signal; 2) the door control receiver sends a signal to the main body ECU (multiplex network body ECU) through the certification ECU (smart key ECU assembly); 3) the main body ECU (multiplex network body ECU) sends the operation permission signal to the power window regulator motor assemblies; and 4) the power window regulator motor assemblies are activated...

    Toyota Yaris XP210 (2020-2023) Reapir and Service Manual: Rough Idling


    DESCRIPTION Problem Symptom Suspected Area Trouble Area Engine speed fluctuation due to abnormal combustion Idle speed too low or high Strong engine vibration due to above symptoms Ignition malfunction Deviation in air fuel ratio (Excessive or insufficient intake air volume or fuel supply) Insufficient compression Changes in load from another system Ignition system Spark plug Ignition coil assembly Fuel system Direct fuel injector assembly Port fuel injector assembly Fuel pump assembly (for high pressure side) Fuel pump (for low pressure side) Fuel pump control circuit Fuel line Purge VSV system Fuel quality (existence of foreign matter, degradation) Intake and exhaust systems Mass air flow meter sub-assembly Intake system (Air leaks or deposit accumulation) Throttle body with motor assembly Air fuel ratio sensor (sensor 1) Air fuel ratio sensor (sensor 2) Cam timing oil control solenoid assembly Variable Valve Timing system (VVT system) Other control systems ECM Wire harness or connector Knock control sensor Engine coolant temperature sensor Engine Water control valve Engine assembly Engine mount High load from another system Air conditioning system Power steering system Electrical load signal system SYMPTOM AND CAUSE OF SYSTEM MALFUNCTION HINT: The following are descriptions of the characteristics of each system malfunction...

    Categories

    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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