Two technicians are discussing a stepped ECT circuit. Technician A says that the sensor used for a stepped circuit is different than one used in a non-stepped circuit. Technician B says that a stepped ECT circuit uses different internal resistance inside the PCM. Which technician is correct?
A) Technician A only B) Technician B only
C) Both technicians D) Neither technician
Question 2
When diagnosing an electronic distributor ignition system, a 12-volt test light connected from the negative primary coil terminal to ground flutters while cranking the engine. A test spark tester does not fire when it is connected from the coil secondary wire to ground while cranking the engine. The cause of this problem could be a ________.
A) Defective ignition coil B) Defective primary circuit
C) Defective ignition module D) Defective pickup coil
A typical beginning technician tool set that includes the basic tools to get started.
Voltmeter hook-ups for voltage-drop testing of a Ford-type cranking circuit.
Voltmeter hookup to test the voltage drop of the charging circuit.
A waveform of a typical digital MAP sensor.
The sensing wire in a typical hot wire mass air flow sensor.
Connecting a handheld digital storage oscilloscope to an oxygen sensor signal wire. The use of the ...