A Reconnect the main body ECU connector

Wire Harness Side:

Automatic Light Control Sensor

CLTS CLTE

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

Tester Connection

Condition

Specified Condition

E11-3 (CLTB) - E11-6 (CLTE)

Ignition switch off

Below 1 V

Ignition switch on (IG)

10 to 14 V

Standard resistance

Tester Connection

Condition

Specified Condition

E11-6 (CLTE) - Body ground

Always

Below 1 Q

REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY

INSPECT AUTOMATIC LIGHT CONTROL SENSOR

Automatic Light Control Sensor

-CLTS

CLTE

E121468E03

(a) Reconnect the automatic light control sensor connector.

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

GND

B113714E01

(c) Check the waveform. OK

Tester Connection

Tool Setting

Condition

Specified Condition

E11-6 (CLTE) -E11-4 (CLTS)

5 V/DIV., 5 ms./ DIV.

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

Correct waveform is as shown

HINT:

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

REPLACE AUTOMATIC LIGHT CONTROL SENSOR

REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY

CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - AUTOMATIC LIGHT CONTROL SENSOR)

Wire Harness Side:

Automatic Light Control Sensor

CLTB

CLTB

Main Body ECU

1617

CLTE

-CLTB

CLTS

(a) Disconnect the E11 automatic connector.

(b) Disconnect the E6 main body Standard resistance light control sensor ECU connector.

Tester Connection

Condition

Specified Condition

E6-18 (CLTE) - E11-3 (CLTE)

Always

Below 1 Q

E6-19 (CLTS) - E11-5 (CLTS)

Always

Below 1 Q

E6-20 (CLTB) - E11-6 (CLTB)

Always

Below 1 Q

E6-18 (CLTE) - Body ground

Always

10 kQ or higher

E6-19 (CLTS) - Body ground

Always

10 kQ or higher

E6-20 (CLTB) - Body ground

Always

10 kQ or higher

REPAIR OR REPLACE HARNESS OR CONNECTOR

INSPECT MAIN BODY ECU (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY )

Wire Harness Side:

Automatic Light Control Sensor

CLTE CLTB

B109993E16

(a) Reconnect the main body ECU connector.

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

Standard voltage

Tester Connection

Condition

Specified Condition

E11-6 (CLTB) - E11-3 (CLTE)

Ignition switch off

Below 1 V

E11-6 (CLTB) - E11-3 (CLTE)

Ignition switch on (IG)

10 to 14 V

Standard resistance

REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY

Tester Connection

Condition

Specified Condition

E11-3 (CLTE) - Body ground

Always

Below 1 Q

INSPECT AUTOMATIC LIGHT CONTROL SENSOR

Automatic Light Control Sensor

2

1

4

3

6

(a) Reconnect the automatic light control sensor connector.

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

(c) Check the waveform. OK

Tester Connection

Tool Setting

Condition

Specified Condition

E11-3 (CLTE) -E11-5 (CLTS)

5 V/DIV., 5 ms./ DIV.

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

Correct waveform is as shown

HINT:

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

REPLACE AUTOMATIC LIGHT CONTROL SENSOR

REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY

Do It Yourself Car Diagnosis

Do It Yourself Car Diagnosis

Don't pay hundreds of dollars to find out what is wrong with your car. This book is dedicated to helping the do it yourself home and independent technician understand and use OBD-II technology to diagnose and repair their own vehicles.

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  • BILBO BRACEGIRDLE
    How to reconnect wire harness toyota camry?
    10 months ago

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