1. Shine a fluorescent light or expose the solar radiation sensor to natural sunlight.
2. Connect the positive (+) lead to terminals B, C and negative (-) lead to terminal A of the solar radiation sensor, and verify that the voltage value is output.

If the voltage is 0 V
, replace the solar radiation sensor.
Resistor [Manual Air Conditioner]
Solar Radiation Sensor Removal/Installation [Full Auto Air Conditioner]Horn
Purpose, Function
The horn sounds according to the horn switch operation.
Construction
Installed to the inside of the front grille.
The diaphragm is vibrated to apply vibration to the air and produce sound.
Operation
1. When the horn switch turns on (1), the ho ...
Main Relay Control [Skyactiv G 2.0]
Outline
Supplies power to each part by switching the main relay on/off at the optimal
timing according to the vehicle conditions.
Block Diagram
Operation
When the ignition is switched ON, the main relay turns on and electrical
power is supplied to each sensor and devic ...
Fuel Injection Control System
Outline
Performs optimum fuel injection according to engine operation conditions.
The PCM determines the engine operation conditions based on the signals from
each input device and drives the fuel injectors at the optimal fuel injection
time (fuel injection amount) and the fuel ...