Tundra 2WD V8-4.6L (1UR-FE) (2010)
Ambient Light Sensor: Testing and Inspection
LIGHTING: AUTOMATIC LIGHT CONTROL SENSOR: ON-VEHICLE INSPECTION
1. INSPECT AUTOMATIC LIGHT CONTROL SENSOR
(a) Connect the voltmeter's positive (+) lead to terminal K19-6 (CLTB) and the negative (-) lead to terminal K19-3 (CLTE).
(b) Measure the voltage according to the value(s) in the table below.
Standard voltage:
(c) Measure the resistance according to the value(s) in the table below.
Standard resistance:
(d) Reconnect the K19 sensor connector.
(e) Check the waveform according to the value(s) in the table below.
Waveform:
HINT
If the ambient light becomes brighter, width A becomes narrower.
If the result is not as specified, replace the automatic light control sensor.