Exam 14: Radio Frequency and Infotainment Systemsservicing Radio Frequency and Infotainment Systems

Technician A says the batteries used in the immobilizer key typically last 10 years. Technician B says the immobilizer module antenna is internal to the radio antenna. Who is correct?

Connectivity issues with the telematics system can be caused by incompatibility of devices.

A weak and fading AM signal could be caused by a bad or ungrounded antenna.

What component of a radio performs the function of the tuner?

In the remote keyless entry (RKE) system, the transponder and receiver system operate ____.

When adding new keys to the immobilizer system it is important to have all of the keys available.

The satellite radio screen is constantly displaying "Updating Channels." All of the following can cause this EXCEPT :

What system is designed to provide protection against unauthorized vehicle use by disabling the engine if an invalid key is used to start the vehicle or an attempt to hot-wire the ignition system was made?

All tire monitoring systems require the pressure sensor transmitter locations be relearned when a tire rotation is performed.

All of the following can cause poor radio reception, EXCEPT :

A radio equipped with an internal hard drive is being replaced. Technician A says the hard drive needs to be backed up and the data restored to the new radio. Technician B says the hard drive should be removed from the old radio and installed into the new radio. Who is correct?

In the event that GPS satellite signals are lost, the navigation system will invert to dead reckoning.

A speaker is being tested. Technician A says if an AA battery is connected across the speaker terminals and the connection is made and broken quickly, the speaker should not make any noise. Technician B says when measuring the resistance of the electromagnetic voice coil the ohmmeter should have an infinite reading. Who is correct?

The tire pressure monitoring (TPM) system is a(n) ____ that notifies the driver if a tire is underinflated or overinflated.

Large speakers, called ____, produce the low frequencies of midrange and bass better than small speakers.

How is vehicle direction and speed determined?

How can the ABS system wheel speed sensors be used to monitor tire inflation?

Technician A says tire pressure monitoring can be done using wheel mounted pressure sensor transmitters. Technician B says tire pressure monitoring can be done using the ABS wheel speed sensors. Who is correct?

The most common sound system configuration is the all-in-one unit called a(n) ____.

____ is audible at very low volume levels and results from problems with the power circuit.