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Using Computer Diagnostics




1.When using a scanner in diagnostic mode, technicians:
Can automatically operate actuators.
Can manually operate actuators.
Cannot operate actuators.
None of the above.


2.In comparison to inlet temperature, the outlet temperature of a catalytic converter should be:
At least 200°F lower.
At least 200°F higher.
At least 100°F lower.
At least 100°F higher.


3.What is used to measure catalytic converter temperatures?
Infrared pyrometer.
Infrared thermometer.
Infrared thermostat.
Infrared barometer.


4.Which of the following will activate the MIL?
Leaking EVAP hose.
Defective fuel tank cap.
Loose fuel tank cap.
All of the above.


5.What faults can be diagnosed in PID mode?
No-code faults.
All-code faults.
Flash-code faults.
Analytic-code faults.

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