Toyota Yaris: Solar Sensor / On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT AUTOMATIC LIGHT CONTROL SENSOR
(a) Check the wire harness.
(1) Disconnect the automatic light control sensor.
| (2) Measure the voltage according to the value(s) in the table below. Standard Voltage:
If the specified condition is not met, replace the vehicle wire harness. |
|
(b) Check the resistance.
| (1) Measure the resistance according to the value(s) in the table below. Standard Resistance:
If the specified condition is not met, replace the vehicle wire harness. |
|
(c) Check the automatic light control sensor.
(1) Connect the automatic light control sensor.
(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.
| *a | Component with harness connected (Automatic Light Control Sensor) | *b | Waveform |
OK:
| Tester Connection | Condition | Tool Setting | Specified Condition |
|---|---|---|---|
| H78-4 (CLTS) - H78-2 (CLTE) | Ignition switch on (IG) | 2 V/DIV.,10 ms/DIV. | Pulse generation (See waveform) |
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.
Components
C..
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Keys
To use the auxiliary key, press the knob and pull out the auxiliary key from the smart key.
