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.
2017 Lexus CT 200h BaseFACTORY OEM SERVICE PROCEDURE
Customize Parameters [08/2015 - ]: Procedure
- CUSTOMIZE POWER WINDOW CONTROL SYSTEM
HINT:
The following items can be customized.
NOTE:- When the customer requests a change in a function, first make sure that the function(s) can be customized.
- Be sure to make notes of the current settings before customizing.
- When troubleshooting a function, first make sure that the function is set to the default setting.
- Customizing with the Techstream
- Connect the Techstream to the DLC3.
- Turn the power switch on (IG).
- Turn the Techstream on.
- Enter the following menus: Customize Setting / Power Window.
- Select the setting by referring to the table below.POWER WINDOW
Tester Display Default Content Setting Relevant ECU Door Key P/W Up OFF This function is used to close the windows by operating the mechanical key. OFF/ON Main body ECU (Multiplex network body ECU) Door Key P/W Down OFF This function is used to open the windows by operating the mechanical key. OFF/ON Main body ECU (Multiplex network body ECU) P/W Down w/ Transmitter OFF This function is used to open the windows using the wireless key transmitter. OFF/ON Main body ECU (Multiplex network body ECU) P Window Auto Up ON This function is used to enable or disable the auto up function for the front passenger door window using the power window regulator switch assembly (for front passenger side). OFF/ON Power window ECU (Power window regulator motor assembly) P Window Auto Up From Driver ON This function is used to enable or disable the remote auto up function for the front passenger door window using the multiplex network master switch assembly. OFF/ON Power window ECU (Power window regulator motor assembly) RR Window Auto Up ON This function is used to enable or disable the auto up function using the power window regulator switch assembly (for rear RH side). OFF/ON Power window ECU (Power window regulator motor assembly) RR Window Auto Up From Driver ON This function is used to enable or disable the remote auto up function for the rear RH door window using the multiplex network master switch assembly. OFF/ON Power window ECU (Power window regulator motor assembly) RL Window Auto Up ON This function is used to enable or disable the auto up function using the power window regulator switch assembly (for rear LH side). OFF/ON Power window ECU (Power window regulator motor assembly) RL Window Auto Up From Driver ON This function is used to enable or disable the remote auto up function for the rear LH door window using the multiplex network master switch assembly. OFF/ON Power window ECU (Power window regulator motor assembly) D Window Auto Up ON This function is used to enable or disable the auto up function for the driver door window using the multiplex network master switch assembly. OFF/ON Power window ECU (Power window regulator motor assembly) D Window Auto Down ON This function is used to enable or disable the auto down function for the driver door window using the multiplex network master switch assembly. OFF/ON Power window ECU (Power window regulator motor assembly) P Window Auto Down ON This function is used to enable or disable the auto down function for the front passenger door window using the power window regulator switch assembly. OFF/ON Power window ECU (Power window regulator motor assembly) RR Window Auto Down ON This function is used to enable or disable the auto down function using the rear power window regulator switch assembly (for RH side). OFF/ON Power window ECU (Power window regulator motor assembly) RL Window Auto Down ON This function is used to enable or disable the auto down function using the rear power window regulator switch assembly (for LH side). OFF/ON Power window ECU (Power window regulator motor assembly) P Window Auto Down From Driver ON This function is used to enable or disable the remote auto down function for the front passenger door window using the multiplex network master switch assembly. OFF/ON Power window ECU (Power window regulator motor assembly) RR Window Auto Down From Driver ON This function is used to enable or disable the remote auto down function for the rear RH door window using the multiplex network master switch assembly. OFF/ON Power window ECU (Power window regulator motor assembly) RL Window Auto Down From Driver ON This function is used to enable or disable the remote auto down function for the rear LH door window using the multiplex network master switch assembly. OFF/ON Power window ECU (Power window regulator motor assembly)
Factory Service Tools
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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.