Toyota Yaris: Knock Sensor / 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 knock sensor removal/installation are shown below.
Necessary Procedure After Parts Removed/Installed/Replaced| Replacement Part or Procedure | Necessary Procedure | Effect/Inoperative when not Performed | Link |
|---|---|---|---|
| Inspection after repair |
|
|
CAUTION / NOTICE / HINT
PROCEDURE
1. REMOVE INTAKE MANIFOLD
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2. REMOVE NO. 4 WATER BY-PASS HOSE
| (a) Slide the 2 clips and remove the No. 4 water by-pass hose. |
|
3. DISCONNECT NO. 6 WATER BY-PASS HOSE
| (a) Slide the clip and disconnect the No. 6 water by-pass hose. |
|
4. SEPARATE NO. 2 WATER BY-PASS PIPE
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5. REMOVE NO. 2 CYLINDER BLOCK INSULATOR
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6. REMOVE NO. 1 VENTILATION CASE
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7. REMOVE KNOCK SENSOR
| (a) Disconnect the knock sensor connector. |
|
(b) Remove the bolt and knock sensor from the cylinder block sub-assembly.
NOTICE:
If the knock sensor has been struck or dropped, replace it.
Components
COMPONENTS ILLUSTRATION
*1 KNOCK SENSOR *2 NO. 1 VENTILATION CASE *3 NO. 2 CYLINDER BLOCK INSULATOR *4 NO. 2 WATER BY-PASS PIPE *5 NO...
Inspection
INSPECTION PROCEDURE 1. INSPECT KNOCK SENSOR (a) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connection Condition Specified Condition e1-1 - e1-2 25°C (77°F) 120 to 280 kΩ If the result is not as specified, replace the knock sensor...
Other information:
Toyota Yaris XP210 (2020-2025) Reapir and Service Manual: Supply Voltage Circuit Circuit Voltage Out of Range (C123A1C)
DESCRIPTION When a malfunction has occurred in the power source circuit, the AWD ECU assembly stores DTC C123A1C. DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Memory C123A1C Supply Voltage Circuit Circuit Voltage Out of Range At a vehicle speed of 3 km/h (2 mph) or more, the IG1 terminal voltage is less than 9...
Toyota Yaris XP210 (2020-2025) Reapir and Service Manual: On-vehicle Inspection
ON-VEHICLE INSPECTION PROCEDURE 1. CHECK AUXILIARY BATTERY CONDITION NOTICE: If the auxiliary battery is weak or if the engine is difficult to start, recharge the auxiliary battery and perform inspections again before returning the vehicle to the customer...
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Supplemental Restraint System (SRS) Precautions
The front and side supplemental restraint systems (SRS) include different types of air bags. Please verify the different types of air bags which are equipped on your vehicle by locating the “SRS AIRBAG” location indicators. These indicators are visible in the area where the air bags are installed.
The air bags are installed in the following locations:
The steering wheel hub (driver air bag) The front passenger dashboard (front passenger air bag) The outboard sides of the front seatbacks (side air bags) The front and rear window pillars, and the roof edge along both sides (curtain air bags)