Toyota CH-R Service Manual: Inspection

Toyota CH-R Service Manual / Heating / Air Conditioning / Solar Sensor / Inspection

INSPECTION

PROCEDURE

1. INSPECT AUTOMATIC LIGHT CONTROL SENSOR

(a) Check the wire harness.

(1) Disconnect the automatic light control sensor (G1).

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

Standard Voltage:

Tester Connection	Switch Condition	Specified Condition
G1-1(CLTB) - G1-2(CLTE)	Ignition switch ON	11 to 14 V

If the specified condition is not met, replace the vehicle wire harness.

*a	Front view of wire harness connector (Automatic Light Control Sensor)

(b) Check the resistance.

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

Standard Resistance:

Tester Connection	Switch Condition	Specified Condition
G1-2(CLTE) - Body ground	Always	Below 1 Ω

If the specified condition is not met, replace the vehicle wire harness.

(1) Connect the automatic light control sensor (G1).

(2) Check the waveform

Use the oscilloscope and check the waveform in the terminal spaces.

NOTICE:

With the connector connected as is, check from the rear side of the connector.

Standard:

Tester Connection	Switch Condition	Standard
G1-4(CLTS) - G1-2(CLTE)	Ignition switch ON, light control switch in AUTO position	Correct waveform is as shown

If the specified condition is not met, replace the solar sensor.

*a	Component with harness connected (Automatic Light Control Sensor)

(3) Waveform

Item	Content
Terminal	G1-4(CLTS) - G1-2(CLTE)
Equipment Setting	2V/DIV.,10ms/DIV.
Condition	Ignition switch ON, light control switch in AUTO position

The communication waveform changes according to the surrounding brightness.

Removal

REMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed, installed or replaced during the ...

Installation

INSTALLATION PROCEDURE 1. INSTALL AUTOMATIC LIGHT CONTROL SENSOR (a) Engage the claws to install the automatic light control sensor. (b) ...

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