Toyota Yaris: Charging System / Terminals Of Ecm

Toyota Yaris XP210 (2020-2024) Reapir and Service Manual / Power Source & Network / G16e-gts (battery / Charging) / Charging System / Terminals Of Ecm

TERMINALS OF ECM

CHECK ECM

HINT:

The standard normal voltage between each pair of ECM terminals is shown in the table below. The appropriate conditions for checking each pair of terminals are also indicated. The result of checks should be compared with the standard normal voltage for that pair of terminals, displayed in the Specified Condition column. The illustration above can be used as a reference to identify the ECM terminal locations.

Terminal No. (Symbol)	Terminal Description	Condition	Specified Condition
A106-1 (BATT) - A106-10 (E1)	Auxiliary battery (for measuring auxiliary battery voltage and for ECM memory)	Always	11 to 14 V
A106-10 (E1) - Body ground	Ground	Always	Below 1 Ω
D104-62 (LIN) - Body ground	LIN communication line	Ignition switch off (while LIN communication stopped)	10 kΩ or higher

Terminal No. (Symbol)

Terminal Description

Condition

Specified Condition

A106-1 (BATT) - A106-10 (E1)

Auxiliary battery (for measuring auxiliary battery voltage and for ECM memory)

Always

11 to 14 V

A106-10 (E1) - Body ground

Ground

Always

Below 1 Ω

D104-62 (LIN) - Body ground

LIN communication line

Ignition switch off

(while LIN communication stopped)

10 kΩ or higher

Problem Symptoms Table

PROBLEM SYMPTOMS TABLE HINT: Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table...

Diagnosis System

DIAGNOSIS SYSTEM DLC3 (Data Link Connector 3) (a) Check the DLC3. Click here HINT: If the voltage is below 11 V, replace or recharge the auxiliary battery...

Other information:

Toyota Yaris XP210 (2020-2024) Reapir and Service Manual: Check For Intermittent Problems

CHECK FOR INTERMITTENT PROBLEMS NOTICE: If the vehicle or vehicle controls are operated (for example, during initial inspection when the vehicle is brought in for repair) before vehicle control history (RoB) has been read out and saved, the vehicle control history (RoB) information could be lost...

Toyota Yaris XP210 (2020-2024) Reapir and Service Manual: LO-beam Headlight does not Illuminate

DESCRIPTION The main body ECU (multiplex network body ECU) controls the low beam headlights. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Before replacing the main body ECU (multiplex network body ECU), refer to Registration. Click here First perform the communication function inspections in How to Proceed with Troubleshooting to confirm that there are no CAN communication malfunctions before troubleshooting this symptom...