What is the role of the knock sensor in the ignition system on Toyota Yaris?

Several fuel-related sensors can affect the ignition system, with the issues likely being the crankshaft position sensor, camshaft position sensor, and knock sensor. The knock sensor detects pinking, a phenomenon that occurs when the engine runs on low-quality or low-octane fuel. It identifies vibrations caused by pinking and alerts the ECU to delay ignition timing until it stops. The knock sensor can be removed by taking off the throttle body and inlet manifold. Then, disconnect the wiring plug, and unscrew it from the engine. Proper torque is crucial when refitting the sensor for optimal functionality.

Genuine Toyota Yaris Knock Sensor

Engine Knock Sensor

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Toyota Yaris Knock Control Sensor
Part Number: 89615-20090
$137.45 MSRP: $195.41
You Save: $57.96 (30%)
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Product Specifications
- Other Name: Sensor, Knock Control
- Replaced by: 89615-06010
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2006-2018 Toyota Yaris | RS, STD | 4 Cyl 1.5L | 1NZFE; 1NZFE; NCP131L-AGMRKA, NCP131L-AGMRKK, NCP131L-AGMVKK, NCP131L-AGPRKA, NCP131L-AGPRKK, NCP131L-AGPVKK, NCP131L-AHMRKA, NCP131L-AHMRKK, NCP131L-AHMVKK, NCP131L-AHPRKA, NCP131L-AHPRKK, NCP131L-AHPVKK, NCP131L-CGMRKA, NCP131L-CGMRKK, NCP131L-CGMSKK, NCP131L-CGPRKA, NCP131L-CGPRKK, NCP131L-CGPSKK, NCP131L-CHMRKA, NCP131L-CHMRKK, NCP131L-CHMSKK, NCP131L-CHPRKA, NCP131L-CHPRKK, NCP131L-CHPSKK, NCP91L-AGMRKA, NCP91L-AGMRKK, NCP91L-AGMVKK, NCP91L-AGPRKA, NCP91L-AGPRKK, NCP91L-AGPVKK, NCP91L-AHMRKA, NCP91L-AHMRKK, NCP91L-AHMVKK, NCP91L-AHPRKA, NCP91L-AHPRKK, NCP91L-AHPVKK, NCP93L-BEMRKA, NCP93L-BEMRKK, NCP93L-BEPRKA, NCP93L-BEPRKK
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Toyota Yaris Knock Control Sensor
Part Number: 89615-WB001
$79.48 MSRP: $112.05
You Save: $32.57 (30%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor, Knock Control; Knock Sensor
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2019-2020 Toyota Yaris | Base, Entry, High | P5 | P5; P5; DADW-NAA, DADW-NAB, DADW-NAC, DAEA-NAA, DAEA-NAB, DAEA-NAC, DAEA-NAD, DAEA-NAE, DAEB-NAC, DAEC-NAC, DAEC-NAD, DAEC-NAE, DAEC-NAF, DAED-NAA, DAEE-NAA, DAEE-NAB, DDF4-NAA, DDF4-NAB, DDF4-NAC, DDF4-NAD, DDF5-NAA, DDF5-NAB, DDF5-NAC, DDF5-NAD, DDF5-NAE, DDF5-NAF, DDF5-NAG, DDF8-NAA, DDF9-NAA, DDF9-NAB, DM0S-NAA, DM0S-NAB, DM0S-NAC, DM0T-NAA, DM0T-NAB, DM0T-NAC, DM0T-NAD, DM0T-NAE, DM0V-NAA, DM0W-NAA, DM0W-NAB

Toyota Yaris Knock Sensor

On Toyota Yaris, the Knock Sensor acts a significant component given that engine knock is an indication of wrong ignition timing. This device also transmits signals back to the powertrain control module or PCM to allow it to control the ignition timings in a bid to reduce on excess detonation. In most cases, the Yaris uses a knock sensor that works as a piezoelectric which captures vibrations in the form of electrical signals to enable routine monitoring of pressure spikes that are a hall mark of knocking. Much improvement has been made over the years with knock sensors especially with respect to control as the mechanism of controlling the ignition timing individually for each cylinder and management of boost pressure in some engine types. This guarantees the utmost efficiency in terms of work near the actual limit, in combination with the operations to prevent damaging the engine when using lower octane fuel. They have evolved due to increasing focus on the preservation of the engine performance and durability irrespective of the driving style.

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Toyota Yaris Knock Sensor Parts Questions & Experts Answers

Knock Control Sensor
89615-20090
Q: What is the role of the knock sensor in the ignition system on Toyota Yaris?
A: Several fuel-related sensors can affect the ignition system, with the issues likely being the crankshaft position sensor, camshaft position sensor, and knock sensor. The knock sensor detects pinking, a phenomenon that occurs when the engine runs on low-quality or low-octane fuel. It identifies vibrations caused by pinking and alerts the ECU to delay ignition timing until it stops. The knock sensor can be removed by taking off the throttle body and inlet manifold. Then, disconnect the wiring plug, and unscrew it from the engine. Proper torque is crucial when refitting the sensor for optimal functionality.