Toyota Yaris: Lin Communication System / Diagnosis System

Toyota Yaris XP210 (2020-2022) 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 (2020-2022) Reapir and Service Manual: Installation

INSTALLATION PROCEDURE 1. INSTALL CLUTCH PEDAL PAD (a) Install the clutch pedal pad to the clutch pedal sub-assembly. 2. INSTALL NO. 1 PEDAL SPRING HOOK (a) Install the 2 No. 1 pedal spring hooks to the clutch pedal bracket sub-assembly. 3. INSTALL CLUTCH PEDAL SPRING HOLDER (a) Install the clutch pedal spring holder to the clutch pedal sub-assembly...

Toyota Yaris XP210 (2020-2022) Reapir and Service Manual: IGR Diode Stuck Off (B235A9F)

DESCRIPTION This DTC is output when a diode failure between the IGP input and the IGR input in the power distribution box assembly is detected. DTC No. Detection Item DTC Detection Condition Trouble Area B235A9F IGR Diode Stuck Off At the time of IGP input state ON, an IGR input state continues OFF state for three consecutive trips...