Volvo Electrical Design Engineer Interview Questions and Answers

BCM ECU stands for Body Control Module Electronic Control Unit. It is responsible for controlling various electrical systems in a vehicle.

• BCM ECU controls functions such as interior lighting, power windows, door locks, and security systems.

• It communicates with other ECUs in the vehicle to ensure proper operation of all electrical systems.

• BCM ECU can store fault codes to help diagnose issues with the vehicle's electrica...read more

The ABS module is responsible for controlling the anti-lock braking system in a vehicle.

• Controls the anti-lock braking system to prevent wheels from locking up during braking

• Monitors wheel speed sensors to detect potential wheel lock-up

• Adjusts brake pressure to individual wheels as needed for optimal braking performance

The boost pressure sensor measures the pressure of the air entering the engine to ensure optimal performance.

• Measures pressure of air entering engine

• Helps ensure optimal engine performance

• Sends data to engine control unit for adjustments

• Commonly found in turbocharged engines

The crankshaft sensor detects the position and speed of the crankshaft in an engine.

• Provides information to the engine control module to determine ignition timing and fuel injection timing

• Helps diagnose engine problems by detecting misfires and other issues

• Used in conjunction with the camshaft sensor to synchronize engine operation

• Examples of engines that use crankshaft sensors include gasoline and diesel engines