Toyota Tacoma manuals

Toyota Tacoma 2015-2018 Service Manual: Automatic Light Control Sensor

Toyota Tacoma 2015-2018 Service Manual / Lighting / Automatic Light Control Sensor

Components

COMPONENTS

ILLUSTRATION

Installation

Installation

INSTALLATION

PROCEDURE

1. INSTALL AUTOMATIC LIGHT CONTROL SENSOR

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

2. INSTALL NO. 2 INSTRUMENT PANEL SPEAKER PANEL SUB-ASSEMBLY

(See page On-vehicle Inspection )

On-vehicle Inspection

ON-VEHICLE INSPECTION

PROCEDURE

1. REMOVE NO. 2 INSTRUMENT PANEL SPEAKER PANEL SUB-ASSEMBLY

(See page 2. INSPECT AUTOMATIC LIGHT CONTROL SENSOR )

2. INSPECT AUTOMATIC LIGHT CONTROL SENSOR

(a) Check the voltage.

(1) Measure the voltage according to the value(s) in the table below.

Text in Illustration

*a

Component with harness connected

(to Automatic Light Control Sensor)

Standard Voltage:

Tester Connection

Condition

Specified Condition

A37-1 (CLTB) - A37-2 (CLTE)

Ignition switch off

Below 1 V

Ignition switch on (IG)

11 to 14 V

If the result is not as specified, repair or replace the wire harness.

(2) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

A37-2 (CLTE) - Body ground

Always

Below 1 Ω

If the result is not as specified, repair or replace the wire harness.

(b) Connect the connector.

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

Text in Illustration

*a

Component with harness connected

(Automatic Light Control Sensor)

(d) Check the waveform.

:

Tester Connection

Tool Setting

Condition

Specified Condition

A37-4 (CLTS) - A37-2 (CLTE)

2 V/DIV., 10 ms./DIV.

Ignition switch on (IG), light control switch in AUTO position

Correct waveform is as shown

HINT:

The communication waveform changes according to the surrounding brightness.

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

3. INSTALL NO. 2 INSTRUMENT PANEL SPEAKER PANEL SUB-ASSEMBLY

(See page Removal )

Removal

REMOVAL

PROCEDURE

1. REMOVE NO. 2 INSTRUMENT PANEL SPEAKER PANEL SUB-ASSEMBLY

(See page 2. REMOVE AUTOMATIC LIGHT CONTROL SENSOR )

2. REMOVE AUTOMATIC LIGHT CONTROL SENSOR

(a) Disengage the 2 claws to remove the automatic light control sensor.

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