Temperature Control Fan Circuit Diagram. Use the supplied harness to connect the new style connector to the fan switch. The pcm powertrain control module senses the increase in engine temperature through the cts coolant temperature sensor located near the thermostat.
Since the normally closed contact is empty the led is off when there is no voltage at the relay coil ends. The circuit diagram of interfacing a bipolar stepper motor with 8051 microcontroller and l293d motor driver is shown in the image below. Lcd is directly connected to arduino in 4 bit mode check this tutorial for more details.
An example of a heater control valve diagram.
For identifying pins of sl 100 the pin that is connected to casing is collectorthe pin near to notch is emitter and the one remaining is base. The only other thing i never. At honeywell fan limit switch wiring. If the engine temperature reaches a certain value may vary depending on the cars make and model the.