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WorksheetsSession 4 diagnostic tools review
Total questions: 10
Worksheet time: 5mins
An oscilloscope display is called a ___________.
grid
graticule
division
box
Setting the time base to 50 ms per division will allow the technician to view a waveform how long in duration?
50 ms
200 ms
400 ms
500 ms
The VCMM is hardwired to output voltage on which channel?
1
2
3
4
What test does IDS automatically perform when identifying the vehicle?
DTC test
Network test
Relative compression test
Compatibility test
A throttle position sensor signal is going to be observed. At what setting should the volts per division be to get the best look at the waveform? (TPS sensors range from 0 to 5 volts)
3.0 V/division
1.0 V/division
2.0 V/division
5.0 V/division
If a snap throttle test reading is too high - what would you be looking for?
Plugged intake components
Plugged exhaust components
Broken exhaust valve
Broken intake valve
The VCMM has the ability to perform fuel pressure testing when used with the correct equipment.
True
False
A good engine should produce approximately how much compression during a running (dynamic) compression test at idle?
150 to 200 PSI
100 to 150 PSI
60 to 90 PSI
30 to 60 PSI
What is the maximum voltage the VCMM can output in signal generation mode?
10 volts
20 volts
30 volts
40 volts
A thermal camera could help you diagnose a circuit that has excessive ___________.
Resistance
Voltage
Insulation
Length
