Toyota Yaris: Lin Communication System / Diagnosis System

Toyota Yaris XP210 (2020-2024) 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 (2020-2024) Reapir and Service Manual: Installation

INSTALLATION CAUTION / NOTICE / HINT HINT: Use the same procedure for the RH side and LH side. The procedure listed below is for the LH side. PROCEDURE 1. INSTALL FRONT SEAT OUTER BELT ASSEMBLY (a) Inspect the front seat outer belt assembly. Click here (b) Engage the guides to temporarily install the front seat outer belt assembly...

Toyota Yaris XP210 (2020-2024) Reapir and Service Manual: Noise Occurs from V-ribbed Belt or Generator Assembly

PROCEDURE 1. CONFIRM PROBLEM SYMPTOM (a) Confirm the problem symptom. Symptom Proceed to Noise occurs from V-ribbed belt A Noise occurs from generator assembly B B GO TO STEP 6 A 2. CHECK FAN AND GENERATOR V BELT (a) Check the fan and generator V belt for wear or damage...