Toyota Venza Quiz
Lighting (ext)

Automatic Light Control Sensor

In this manual: Lighting (ext)
Introduction — 15Maintenance — 8Audio / Video — 102Garage Door Opener — 8Navigation / Multi Info Display — 81Park Assist / Monitoring — 50Brake (front) — 7Brake (rear) — 7Brake Control / Dynamic Control Systems — 79Brake System (other) — 28Parking Brake — 22Axle And Differential — 44Drive Shaft / Propeller Shaft — 24Mf1a Transfer / 4wd / Awd — 46U660e Automatic Transmission / Transaxle — 1241ar-fe Cooling — 311ar-fe Emission Control — 101ar-fe Engine Control — 1331ar-fe Engine Mechanical — 441ar-fe Fuel — 311ar-fe Intake / Exhaust — 211ar-fe Lubrication — 111ar-fe Starting — 16Cruise Control — 241ar-fe Battery / Charging — 162gr-fe Battery / Charging — 17Networking — 67Power Distribution — 8Power Assist Systems — 34Steering Column — 37Steering Gear / Linkage — 29Alignment / Handling Diagnosis — 4Front Suspension — 39Rear Suspension — 35Tire / Wheel — 4Tire Pressure Monitoring — 35Door / Hatch — 83Exterior Panels / Trim — 56Horn — 4Lighting (ext) — 89Mirror (ext) — 36Sliding Roof / Convertible — 26Window / Glass — 87Wiper / Washer — 30Door Lock — 85Heating / Air Conditioning — 82Interior Panels / Trim — 20Lighting (int) — 37Meter / Gauge / Display — 41Mirror (int) — 9Power Outlets (int) — 10Seat — 84Seat Belt — 43Supplemental Restraint Systems — 131Theft Deterrent / Keyless Entry — 155
~1min read
Components COMPONENTS ILLUSTRATION
Removal REMOVAL PROCEDURE

1. REMOVE DEFROSTER NOZZLE GARNISH


2. REMOVE AUTOMATIC LIGHT CONTROL SENSOR

(a) Disengage the 2 claws and remove the automatic light control sensor.
Inspection INSPECTION PROCEDURE

1. INSPECT AUTOMATIC LIGHT CONTROL SENSOR

(a) Disconnect the F4 automatic light control sensor connector.

(b) Measure the voltage and resistance according to the value(s) in the table below.

Standard Voltage:

Tester Connection

Condition

Specified Condition

F4-6 (CLTB) - F4-3 (CLTE)

Ignition switch off

Below 1 V

Ignition switch ON

10 to 14 V

Standard Resistance:

Tester Connection

Condition

Specified Condition

F4-3 (CLTE) - Body ground

Always

Below 1 Ω
Text in Illustration

*1

Front view of wire harness connector

(to Automatic Light Control Sensor)

If the result is not as specified, there may be a malfunction on the wire harness side.

(c) Reconnect the F4 automatic light control sensor connector.

(d) Connect an oscilloscope to the automatic light control sensor connector.

Text in Illustration

*1

Component with harness connected

(Automatic Light Control Sensor)

(e) Check the waveform.

OK:

Tester Connection

Tool Setting

Condition

Specified Condition

F4-3 (CLTE) - F4-5 (CLTS)

5 V/DIV., 5 ms./DIV

Ignition switch ON, light control switch in AUTO

Correct waveform is as shown

HINT:

If the ambient light becomes brighter, width A becomes narrower.

If the result is not as specified, replace the automatic light control sensor.
Installation INSTALLATION PROCEDURE

1. INSTALL AUTOMATIC LIGHT CONTROL SENSOR

(a) Engage the 2 claws to install the automatic light control sensor.

2. INSTALL DEFROSTER NOZZLE GARNISH

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A quick Toyota Venza quiz: every answer comes with an explanation and a link to the manual page.