Toyota Yaris: Lin Communication System / Diagnosis System

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

DIAGNOSIS SYSTEM

DESCRIPTION

The main body ECU (multiplex network body ECU) and certification ECU (smart key ECU assembly) control the LIN communication system. LIN communication system data and Diagnostic Trouble Codes (DTCs) can be read through the Data Link Connector 3 (DLC3).

When the system seems to be malfunctioning, use the GTS to check for malfunctions and perform repairs.

CHECK DLC3

(a) Check the DLC3.

Click here

INSPECT AUXILIARY BATTERY VOLTAGE

(a) Measure the auxiliary battery voltage with the ignition switch off.

Standard Voltage:

11 to 14 V

If the voltage is below 11 V, recharge or replace the auxiliary battery.

Terminals Of Ecu

TERMINALS OF ECU CHECK POWER DISTRIBUTION BOX ASSEMBLY AND MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) *1 POWER DISTRIBUTION BOX ASSEMBLY *2 MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) (a) Remove main body ECU (multiplex network body ECU)...

Dtc Check / Clear

DTC CHECK / CLEAR CHECK DTC (a) Check for DTCs. Body Electrical > Main Body > Trouble Codes Body Electrical > Smart Key > Trouble Codes Body Electrical > Power Source Control > Trouble Codes (b) Check the details of the DTCs...

Other information:

Toyota Yaris XP210 (2020-2025) Reapir and Service Manual: Vehicle Control History

VEHICLE CONTROL HISTORY CHECK VEHICLE CONTROL HISTORY (a) Connect the GTS to the DLC3. (b) Turn the ignition switch to ON. (c) Turn the GTS on. (d) Enter the following menus: Powertrain / Engine / Utility / Vehicle Control History (RoB). Powertrain > Engine > Utility Tester Display Vehicle Control History (RoB) Vehicle Control History (RoB) Item Code Tester Display Measurement Item Diagnostic Note X0600 Auxiliary Battery Voltage Low at Start History of low battery voltage at engine control system start - X0601 Auxiliary Battery Voltage Low at IG OFF History of low battery voltage when ignition switch off - X0602 Auxiliary Battery Discharge at IG OFF History of auxiliary battery becoming discharged when ignition switch off - X0603 Auxiliary Battery Discharge at Running History of auxiliary battery becoming discharged while vehicle being driven - X0606 Auxiliary Battery Voltage Low during Running History of low battery voltage while vehicle being driven - X0607 Auxiliary Battery Voltage High during Running History of high battery voltage while vehicle being driven - CLEAR VEHICLE CONTROL HISTORY (a) Connect the GTS to the DLC3...

Toyota Yaris XP210 (2020-2025) Owner's Manual: To return the seatback to its upright position

4-Door Make sure that the seat belt passes through the seat belt guide correctly and it is not twisted, then raise the seatback while preventing the seat belt from being caught in the seatback. Press the seatback rearward and lock it in place...