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
Voltmeter hook-ups for voltage-drop testing of a Ford-type cranking circuit.
A conventional zirconia oxygen sensor can only reset to exhaust mixtures that are richer or leaner ...
When the exhaust is rich, the output of a zirconia oxygen sensor is above 450 mV.
Using the cursors on the oscilloscope, the high- and low-oxygen sensor values can be displayed on ...
(A) X-ray technician performs a mammogram. (National Cancer Institute/Creator: Alan Hoofring ...
For the circuit in Figure 1, assume ideal diodes. The peak inverse voltage is approximately