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 MANUALSTOYOTA2007HIGHLANDER 4WD L4-2.4L (2AZ-FE)REPAIR AND DIAGNOSISLIGHTING AND HORNSTESTING AND INSPECTIONCOMPONENT TESTS AND GENERAL DIAGNOSTICSAUTOMATIC LIGHT CONTROL SENSOR CIRCUIT
2007 Toyota Highlander 4WD L4-2.4L (2AZ-FE)
Automatic Light Control Sensor Circuit
2007 Toyota Highlander 4WD L4-2.4L (2AZ-FE)SECTION Automatic Light Control Sensor Circuit
Automatic Light Control Sensor Circuit
DESCRIPTION
The multiplex network body ECU receives a signal from the automatic light control sensor.
HINT: A DTC code is output when the automatic light control sensor is malfunctioning or there is an open or short circuit in the automatic light control sensor.
INSPECTION PROCEDURE
DESCRIPTION
The multiplex network body ECU receives a signal from the automatic light control sensor.
HINT: A DTC code is output when the automatic light control sensor is malfunctioning or there is an open or short circuit in the automatic light control sensor.
Wiring Diagram:
Step 1:
Step 1 (Continued)-2:
Step 3-5:
Step 5 (Continued)-6:
Step 6 (Continued):
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.