Toyota Yaris: Lighting System / Diagnosis System

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual / Vehicle Interior / Lighting (int) / Lighting System / Diagnosis System

DIAGNOSIS SYSTEM

DESCRIPTION

(a) Lighting system data and Diagnostic Trouble Codes (DTCs) can be read from the Data Link Connector 3 (DLC3) of the vehicle. When the system seems to be malfunctioning, use the GTS to check for malfunctions and perform repairs.

CHECK DLC3

(a) Check the DLC3.

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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 MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) AND POWER DISTRIBUTION BOX ASSEMBLY *1 Power Distribution Box Assembly *2 Main Body ECU (Multiplex Network Body ECU) (a) Remove the main body ECU (multiplex network body ECU) from the power distribution box assembly...

Data List / Active Test

DATA LIST / ACTIVE TEST DATA LIST NOTICE: In the following table, 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 (2020-2026) Reapir and Service Manual: On-vehicle Inspection

ON-VEHICLE INSPECTION PROCEDURE 1. CONNECT GTS (a) Connect the GTS to the DLC3 with the engine switch off. (b) Start the engine and run it at idle. (c) Turn the GTS on. (d) Enter the following menus: Chassis / Brake/EPB / Active Test. HINT: Refer to the GTS operator's manual for further details...

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