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.
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HOMESERVICE MANUALSACURA2011TL FWD V6-3.5LREPAIR AND DIAGNOSISLIGHTING AND HORNSAMBIENT LIGHT SENSORTESTING AND INSPECTION
2011 Acura TL FWD V6-3.5L
Ambient Light Sensor: Testing and Inspection
2011 Acura TL FWD V6-3.5LSECTION Testing and Inspection
Automatic Lighting Sensor Test/Replacement
NOTE: Take care not to scratch the dashboard.
1. Remove the center speaker lid.
2. Pry out the automatic lighting sensor (A).
3. Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode.
4. Measure the voltage between automatic lighting sensor 5P connector terminals No. 3 and No. 5.
- 3.6-3.7 V or more with the sensor out of direct sunlight.
- 3.3-3.5 V or less with the sensor in direct sunlight.
5. If the voltage is not as specified, replace the automatic lighting sensor.
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.