Lexus NX: Solar Sensor

Components

COMPONENTS

ILLUSTRATION

*1

AUTOMATIC LIGHT CONTROL SENSOR (SOLAR SENSOR)

*2

NO. 1 SPEAKER OPENING COVER ASSEMBLY

Removal

REMOVAL

PROCEDURE

1. REMOVE NO. 1 SPEAKER OPENING COVER ASSEMBLY

Click here

2. REMOVE AUTOMATIC LIGHT CONTROL SENSOR (SOLAR SENSOR)

(a) Detach the 2 claws and remove the automatic light control sensor (solar sensor).

Inspection

INSPECTION

PROCEDURE

1. INSPECT AUTOMATIC LIGHT CONTROL SENSOR (SOLAR SENSOR)

(a) Disconnect the J6 automatic light control sensor connector.

*a

Front view of wire harness connector

(to Automatic Light Control Sensor (Solar Sensor))

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

Standard Voltage:

Tester Connection

Condition

Specified Condition

J6-1 (CLTB) - J6-2 (CLTE)

Power switch off, dimmer switch off, 2 minutes after all doors closed

Below 1 V

Power switch on (IG)

11 to 14 V

Standard Resistance:

Tester Connection

Condition

Specified Condition

J6-2 (CLTE) - Body ground

Always

Below 1 Ω

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

(c) Reconnect the J6 automatic light control sensor connector.

*a

Component with harness connected

(Automatic Light Control Sensor (Solar Sensor))

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

(e) Check the waveform.

OK:

Tester Connection

Tool Setting

Condition

Specified Condition

J6-4 (CLTS) - J6-2 (CLTE)

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

Power switch on (IG)

Correct waveform is as shown

HINT:

The communication waveform changes according to the surrounding brightness.

If the result is not as specified, the automatic light control sensor may be malfunctioning.

Installation

INSTALLATION

PROCEDURE

1. INSTALL AUTOMATIC LIGHT CONTROL SENSOR (SOLAR SENSOR)

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

2. INSTALL NO. 1 SPEAKER OPENING COVER ASSEMBLY

Click here

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