Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode.
4.
Measure the voltage between the terminals with the (?) probe on terminal No. 1 (without automatic lighting) or No. 3 (with automatic lighting) and the (?) probe on terminal No. 2 with the connector connected.
NOTE: The voltage readings will not change under the light of a flashlight or a fluorescent lamp.
Voltage should be:
3.56 V with no sunlight or the sensor covered up
Less than 3.56 V with sunlight on the sensor (depending on sunlight intensity)
