Toyota Yaris: Engine Stop And Start Ecu / Installation

Toyota Yaris XP210 (2020-2025) Reapir and Service Manual / Engine & Hybrid System / Stop And Start / Engine Stop And Start Ecu / Installation

INSTALLATION

CAUTION / NOTICE / HINT

NOTICE:

After performing the update ECU security key procedure, make sure to perform the initialization procedure for when the cable has been disconnected and reconnected to the negative (-) auxiliary battery terminal.

PROCEDURE

1. INSTALL ENGINE STOP AND START ECU

(a) Engage the 2 claws and install the engine stop and start ECU to the ECU integration box RH.

NOTICE:

Make sure that the engine stop and start ECU is securely installed.

2. INSTALL ECU INTEGRATION BOX RH

Click here

3. PERFORM REGISTRATION

Click here

Removal

REMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed, installed, or replaced during the engine stop and start ECU removal/installation are shown below...

Stop And Start System

Other information:

Toyota Yaris XP210 (2020-2025) Reapir and Service Manual: Data List / Active Test

DATA LIST / ACTIVE TEST NOTICE: In the table below, 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. HINT: Using the GTS to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts...

Toyota Yaris XP210 (2020-2025) Reapir and Service Manual: Starter Relay Circuit Short to Battery (P061512)

MONITOR DESCRIPTION While the engine is cranked, current flows from terminal STA2 of the engine stop and start ECU to terminal STA of the ECM (STA signal). If the ECM detects the starter control (STA) signal while the vehicle is being driven, it determines that there is a malfunction in the STA circuit...