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..
Removal
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Other information:
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Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: On-vehicle Inspection
ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT STOP LIGHT SWITCH ASSEMBLY (a) Disconnect the stop light switch assembly connector. (b) Measure the voltage and resistance on the wire harness side connector according to the value(s) in the table below. Standard Voltage: Tester Connection Condition Specified Condition A63-7 (B) - A63-2 (GND) Always 11 to 14 V A63-6 (B) - A63-2 (GND) Ignition switch on (IG) 11 to 14 V Standard Resistance: Tester Connection Condition Specified Condition A63-2 (GND) - Body ground Always Below 1 Ω If the result is not as specified, repair or replace the wire harness or connector...
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Keys
To use the auxiliary key, press the knob and pull out the auxiliary key from the smart key.
