A good reading for a cylinder leakage test should be _________ .

Technician A says that during a power balance test , the cylinder that causes the bigest RPM drop is the weak cylinder. Technician B says that if one spark plug wire is grounded out and the engine speed does not drop, a weak or dead cylinder is indicated. Which technician is corrrect ?

A technician is proceeding a leak down test on a vehicle, bubles are observes in the radiator. What could be the cause of the engine problem ?

The low oil pressure warning light usually comes on ________.

How is a battery drain test performed ?

When load testing a battery, which battery rating is often used to determine how much load to apply to the battery ?

A battery high-rate discharge (load capacity) test is being performed on a 12-volt battery. Technician A says that a good battery should have a voltage readingof 9.6 volts while under load at the end of the 15 second test. Technician B says that the battery should be discharged (loaded) to twice it CCA rating. Which technician is correct ?

Normal battery drain (parasitic drain) with a vehicle with many computer and electronic circuit is __________.

When jump starting a vehicle, _______________.

Technician A says that two diodes are required for each phase or stator winding. Technician B says the diodes change alternating current into direct current. Which technician is correct ?

What is the main purpose of doing a voltage drop on any given electrical circuit ?

An acceptable charging circuit voltage on a 12 volt system is __________.

Technician A says that a voltage drop test of the charging circuit should only be performed when current is flowing through the circuit. Technician B says to connect the leads of a voltmeter to the positive and negative terminals of the bettery to measure the total voltage drop of the complete charging system. Which technician is correct ?

An alternator could test as producing lower than normal output, yet be okay, if ____________.

Technician A says that a good relay should measure between 60 and 100 ohms across the coil terminals.Technician B says that OL should be displayed on an ohmmeter when touching terminals 30 and 87. Which technician is correct ?

Technician A says that there is often more than one circuit being protected by each fuse. Technician B says that more than one circuit often shares a single ground connector. Which technician is correct ?

When testing a relay with an ohmmeter, which two terminals should be touched to measure the coil resistance ?

Technician A says the the first step in the diagnostic process is to verify the problem(concern). Technician B says tha the second step is to perform a thorough visual inspection. Which technician is correct ?

Which item is NOT important to know before starting the diagnosis of an engine performance problem ?

Which step should be performed LAST when diagnosing an engine performance problem ?

Why should we check for Technical service bulletins TSB ?

The preferred method to clear diagnostic trouble codes (DTC) is to ________________.

Technician A says that a drive cycle is used by the power train contol module (PCM) to monitor data in order to determine when the condition are right to perform or test a component. Technician B says that a drive cycle is used by the power train control module (PCM) to monitor the different sensor in order to set any troubles codes Which technician is correct ?

What type of diagnostic trouble code (DTC) starts with U ?