Automatic light control sensor
Components Inspection Removal / installation
LIGHTING (EXTERIOR)
AUTOMATIC LIGHT CONTROL SENSOR
EXPLODED VIEW
REMOVAL
1. Disconnection of the defroster nozzle garnish NO.1 (Refer to 
)
)
2. Removal of the automatic light control sensor
(1) Disconnect the connector.
(2) Release the 2 tabs, and remove the automatic light control sensor.
INSTALLATION
1. Installation of the automatic light control sensor
(1) Fit in the 2 tabs, and install the automatic light control sensor.
(2) Connect the connector.
2. Installation of the defroster nozzle garnish NO.1 (Refer to )
)ON-VEHICLE INSPECTION
1. Inspection of the automatic light control sensor
(1) Sensor power supply
(a) Disconnect the connector D45 of the automatic light control sensor.
(b) Measure the voltage according to the following chart.
(c) Measure the resistance according to the following chart.
Resistance
| Inspection terminals (Terminal symbol) |
Inspection conditions |
Standard value |
|---|---|---|
| D45-6 (CLTE) - chassis ground |
Always |
Less than 1 Ω |
Captions in illustration
| *a |
Front side of vehicle wiring harness connector (Automatic light control sensor) |
(2) Sensor waveform
(a) Connect the connector D45 of the automatic light control sensor.
(b) Using a oscilloscope, inspect if a waveform is occurring between the terminals.
CAUTION:
With the connectors connected, perform this inspection from the rear of the connectors.
NOTE:
Match the oscilloscope settings with chart 1.
Chart 1
| Item |
Contents |
|---|---|
| Measuring terminal |
D45-4 (CLTS) - D45-6 (CLTE) |
| Equipment setting |
5 V/DIV, 5 ms/DIV |
| Measuring conditions |
IG ON, light control switch is AUTO, automatic light control sensor is covered by something that doesn't let light through → exposed |
Standard value (waveform)
| Inspection terminals (Terminal symbol) |
Inspection conditions |
Standard value |
|---|---|---|
| D45-4 (CLTS) - D45-6 (CLTE) |
IG ON, light control switch is AUTO, automatic light control sensor is covered by something that doesn't let light through → exposed |
Shown in the figure |
NOTE:
The brighter the area becomes, the shorter the A interval becomes.
Captions in illustration
| *a |
Connector connected (Automatic light control sensor) |