Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2020 Lexus LS 500h RWDFACTORY OEM SERVICE PROCEDURE
Inspection [10/2017 - ]: Procedure
- INSPECT KNOCK CONTROL SENSOR
- Measure the resistance according to the value(s) in the table below.
Standard Resistance (for Bank 1)
Tester Connection Condition Specified Condition D56-1 - D56-2 20°C (68°F) 120 to 280 kΩ Standard Resistance (for Bank 2)
Tester Connection Condition Specified Condition D55-1 - D55-2 20°C (68°F) 120 to 280 kΩ HINT:
If the result is not as specified, replace the knock control sensor.
*A for Bank 1 *B for Bank 2 *a Component without harness connected
(Knock Control Sensor)
- Measure the resistance according to the value(s) in the table below.
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.