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 MANUALSTOYOTA2006SEQUOIA 4WD V8-4.7L (2UZ-FE)REPAIR AND DIAGNOSISLIGHTING AND HORNSTESTING AND INSPECTIONCOMPONENT TESTS AND GENERAL DIAGNOSTICSAUTOMATIC LIGHT CONTROL SENSOR CIRCUIT
2006 Toyota Sequoia 4WD V8-4.7L (2UZ-FE)
Automatic Light Control Sensor Circuit
2006 Toyota Sequoia 4WD V8-4.7L (2UZ-FE)SECTION Automatic Light Control Sensor Circuit
Automatic Light Control Sensor Circuit
DESCRIPTION
The main body ECU detects the ambient light level outside the vehicle via the automatic light control sensor.
The main body ECU turns the headlights ON and OFF based on the ambient light level sensed by the automatic light control sensor.
INSPECTION PROCEDURE
DESCRIPTION
The main body ECU detects the ambient light level outside the vehicle via the automatic light control sensor.
The main body ECU turns the headlights ON and OFF based on the ambient light level sensed by the automatic light control sensor.
Wiring Diagram:
Step 1:
Step 1(Continued)-2:
INSPECTION PROCEDURE
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.