Toyota Yaris: Integration Relay / Removal

Toyota Yaris XP210 (2020-2025) Reapir and Service Manual / Power Source & Network / Power Distribution / Integration Relay / Removal

REMOVAL

CAUTION / NOTICE / HINT

HINT:

When the cable is disconnected / reconnected to the auxiliary battery terminal, systems temporarily stop operating. However, each system has a function that completes learning the first time the system is used.

Learning completes when vehicle is driven

Effect/Inoperative Function When Necessary Procedures are not Performed	Necessary Procedures	Link
Lane tracing assist system	Drive the vehicle straight ahead at 35 km/h (22 mph) or more for 5 second or more.
Pre-collision system
Stop and start system	Drive the vehicle until stop and start control is permitted (approximately 5 to 60 minutes)

Learning completes when vehicle is operated normally

Effect/Inoperative Function When Necessary Procedures are not Performed	Necessary Procedures	Link
Power door lock control system Back door opener	Perform door unlock operation with door control switch or electrical key transmitter sub-assembly switch.
Air conditioning system	After the ignition switch is turned to ON, the servo motor standard position is recognized.	-

PROCEDURE

1. PRECAUTION

NOTICE:

After turning the ignition switch off, waiting time may be required before disconnecting the cable from the negative (-) auxiliary battery terminal.

Click here

2. DISCONNECT CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL

Click here

3. REMOVE NO. 1 RELAY BLOCK COVER

(a) Disengage the claws to remove the No. 1 relay block cover.

4. REMOVE SEMICONDUCTOR POWER INTEGRATION ECU

NOTICE:

Make sure the connector terminal is free from oil and grease.
Do not subject the semiconductor power integration ECU to any impact.
Do not use a semiconductor power integration ECU that has been dropped.
Do not disassemble the semiconductor power integration ECU.

(a) Disengage the claws and pull up the semiconductor power integration ECU.

(b) Disconnect the power source connector.

*a	power source connector

Components

C..

Installation

INSTALLATION PROCEDURE 1. INSTALL SEMICONDUCTOR POWER INTEGRATION ECU NOTICE: Make sure the connector terminal is free from oil and grease. Do not subject the semiconductor power integration ECU to any impact...

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