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.
Customize Parameters
2012 Toyota Prius ThreeSECTION Customize Parameters
- CUSTOMIZING FUNCTION WITH TECHSTREAM
HINT:
The following items can be customized.
NOTE:- When the customer requests a change in a function, first make sure that the function can be customized.
- Be sure to make a note of the current settings before customizing.
- When troubleshooting a function, first make sure that the function is set to the default setting.
- Connect the Techstream to the DLC3.
- Turn the power switch on (IG).
- Turn the Techstream on.
- Enter the following menus: Customize Setting / Light Control.
- Select the setting by referring to the table below.LIGHT CONTROL
Display Default Content Setting Relevant ECU Disp Ex ON Sen Normal Changes the ambient brightness level required to dim the lights such as the indicator lights of the combination meter, A/C indicator light and clock.*A Light 2, Light 1, Normal, Dark 1 or Dark 2 Main Body ECU (Multiplex Network Body ECU) Disp Ex OFF Sen Normal Changes the ambient brightness level required to cancel the dimming of the lights such as the indicator lights of the combination meter, A/C indicator light and clock.*B Light 2, Light 1, Normal, Dark 1 or Dark 2 Light Auto OFF Delay 30 s Keeps the headlights on for a certain period of time after turning the power switch off and closing all the doors with the low beam headlights on. Off, 30 s, 60 s or 90 s Response Time*1 0.1 s Changes the delay timing of lighting the taillights when going into a tunnel when the light control switch is in the AUTO position 0.1 s or 1.0 s Sensitivity Normal Adjusts the sensitivity of the automatic light control system.*C Light 2, Light 1, Normal, Dark 1 or Dark 2 DRL Function*2 ON ON/OFF of the DRL function ON or OFF - *1: w/o DRL
- *2: Headlight dimmer switch with DRL OFF
HINT:
The sensitivity adjustment may be difficult to confirm. Check by driving the customer's vehicle.
*ABrightness level required to dim the lights Setting Dark 2 Dark 1 NORMAL Light 1 Light 2 *BBrightness level required to cancel the dimming of the lights Setting Dark 2 Dark 1 NORMAL Light 1 Light 2 *CSensitivity of the automatic light control system Setting Dark 2 Dark 1 Normal Light 1 Light 2
- CUSTOMIZING FUNCTION WITH MULTI-DISPLAY (w/ Navigation System (for Navigation Receiver Type) or w/ Audio and Visual System (w/o Daytime Running Light))
HINT:
The following items can be customized.
NOTE:- When the customer requests a change in a function, first make sure that the function can be customized.
- Be sure to make a note of the current settings before customizing.
- When troubleshooting a function, first make sure that the function is set to the default setting.
- Turn the power switch on (IG).
- Enter the following menus: SETUP / Vehicle / Vehicle Customization / Light Settings.
- Select the setting by referring to the table below.LIGHT SETTINGS
Display Default Content Setting Relevant ECU Headlamps-On Sensitivity 0 Adjusts the sensitivity of the automatic light control system.*A -2, -1, 0, +1 or +2 Main Body ECU (Multiplex Network Body ECU) Headlamps Auto-Off Timer 30 sec. Keeps the headlights on for a certain period of time after turning the power switch off and closing all doors with the low beam headlights on. Off, 30 sec., 60 sec. or 90 sec. Daytime Running Lights*1 On ON/OFF of the DRL function On or Off - *1: Headlight dimmer switch with DRL OFF function.
HINT:
The sensitivity adjustment may be difficult to confirm. Check by driving the customer's vehicle.
*ASensitivity of the automatic light control system Setting -2 -1 0 +1 +2
- CUSTOMIZING FUNCTION WITH MULTI-DISPLAY (w/ Navigation System (for Radio and Display Type) or w/ Audio and Visual System (w/ Daytime Running Light))
HINT:
The following items can be customized.
NOTE:- When the customer requests a change in a function, first make sure that the function can be customized.
- Be sure to make a note of the current settings before customizing.
- When troubleshooting a function, first make sure that the function is set to the default setting.
- Turn the power switch on (IG).
- Enter the following menus: SETUP / Vehicle.
- Select the setting by referring to the table below.VEHICLE SETTINGS
Display Default Content Setting Relevant ECU Light Sensor Sensitivity 0 Adjusts the sensitivity of the automatic light control system.*A -2, -1, 0, +1 or +2 Main Body ECU (Multiplex Network Body ECU) Headlight Off Time Adjust 30 sec. Keeps the headlights on for a certain period of time after turning the power switch off and closing all doors with the low beam headlights on. Off, 30 sec., 60 sec. or 90 sec. Daytime Running Lights*1 On ON/OFF of the DRL function On or Off - *1: Headlight dimmer switch with DRL OFF function.
HINT:
The sensitivity adjustment may be difficult to confirm. Check by driving the customer's vehicle.
*ASensitivity of the automatic light control system Setting -2 -1 0 +1 +2
RENDER: 1.0x
NO RELATED
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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.