Toyota Yaris: Engine Coolant Temperature Sensor / Removal

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual / Engine & Hybrid System / G16e-gts (engine Control) / Engine Coolant Temperature Sensor / Removal

REMOVAL

CAUTION / NOTICE / HINT

The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during radiator assembly removal/installation are shown below.

Necessary Procedure After Parts Removed/Installed/Replaced

Replacement Part or Procedure	Necessary Procedures	Effects/Inoperative when not performed	Link
Replacement of engine coolant temperature sensor	Inspection after repair	Poor idle, etc. Engine start function, etc.

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. REMOVE NO. 1 ENGINE UNDER COVER ASSEMBLY

Click here

2. DRAIN ENGINE COOLANT

Click here

3. REMOVE ENGINE COOLANT TEMPERATURE SENSOR

(a) Disconnect the engine coolant temperature sensor connector.

(b) Remove the clip and engine coolant temperature sensor from the water outlet.

NOTICE:

If the engine coolant temperature sensor has been struck or dropped, replace it.

Inspection

INSPECTION PROCEDURE 1. INSPECT ENGINE COOLANT TEMPERATURE SENSOR CAUTION: Do not put your hands into the water that has been heated for the inspection...

Installation

INSTALLATION PROCEDURE 1. INSTALL ENGINE COOLANT TEMPERATURE SENSOR HINT: Perform "Inspection After Repair" after replacing the engine coolant temperature sensor...

Other information:

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Servo Motor LIN Communication Bus off (B142A88)

DESCRIPTION The air conditioning harness assembly connects the air conditioning amplifier assembly and the servo motors. The air conditioning amplifier assembly supplies power and sends operation instructions to each servo motor through the air conditioning harness assembly...

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Front Right Microphone Circuit Component Internal Failure (B1AA696,B1AA71C)

DESCRIPTION These DTCs are stored when a malfunction occurs in the active noise control microphone RH system. DTC No. Detection Item DTC Detection Condition Trouble Area B1AA696 Front Right Microphone Circuit Component Internal Failure Stereo component equalizer assembly detects malfunction in active noise control microphone RH for 4 seconds or more continuously when engine speed is 1200 rpm or more* Harness or connector Active noise control microphone RH Stereo component equalizer assembly B1AA71C Front Right Microphone Circuit Circuit Voltage Out of Range Stereo component equalizer assembly detects active noise control microphone RH connection malfunction for 4 seconds or more continuously* Harness or connector Active noise control microphone RH Stereo component equalizer assembly HINT: *: Malfunction monitoring is not performed under the following conditions, in order to prevent erroneous detection...