Exam 21: Instrumentation and Information Displays

Most tachometers operate from a cable driven by the engine's distributor or camshaft.

Fuel range, ETA (estimated time of arrival), fuel economy and distance to destination are common types of data that are displayed on the _____.

Identify at least four causes of intermittent electrical/electronic problems.

What is the difference between a warning light and an indicator light?

Describe how a fuel level sending unit operates.

A digital speedometer constantly reads zero mph. Technician A says the problem may be the vehicle speed sensor. Technician B says the problem may be the throttle position sensor. Who is correct?

Electronic odometer display readings are stored in the computer's RAM.

What tools are needed to check the operation of a fuel gauge sending unit?

What is the function of an IVR (instrument voltage regulator)?

The ____________________ gauge indicates engine speed (RPM).

The internal combustion engine in a hybrid does not normally run when the vehicle is at a standstill. What alerts the driver that the vehicle is capable of being driven?

Which of the following is NOT connected to the tone generator?

Technician A says the low fuel warning indicator light is turned on when the fuel level drops below one-eighth of the tank capacity. Technician B says the fuel gauge sending unit is normally combined with the electric fuel pump. Who is correct?

Information on the operation of the Toyota hybrid system is displayed on the ____________________ located in the center of the dash.

None of the gauges work on a vehicle. Technician A says the connection to the instrument cluster may be open. Technician B says the cluster's IVR may be open. Who is correct?

Technician A says an oil pressure sending unit may be tested with an ohmmeter. Technician B says an engine coolant temperature sending unit may be tested with an ohmmeter. Who is correct?

Technician A says the vehicle speed sensor used with an electronic speedometer is typically mounted near one of the vehicle drive wheels. Technician B says a cable-driven speedometer unit depends upon magnetism to move the needle. Who is correct?