Automotive Technology: A Systems Approach (MindTap Course List)
6th Edition
ISBN: 9781133612315
Author: Jack Erjavec, Rob Thompson
Publisher: Cengage Learning
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Textbook Question
Chapter 6, Problem 20RQ
To measure engine cranking current, a DNIM (digital multimeter) can be used with a(n):
- continuity tester
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Testing oil pressure sensors usually
involves substituting the specified
in place of the sensor and
observing the reaction of the oil pressure
gauge.
Select one:
a. Pressure
b. Voltage
c. Resistance
d. None of the above
A digital speedometer constantly reads 0 mph : TechnicianA says that the problem may be the vehiclespeed sensor. Technician B says that the problem maybe the throttle position sensor. Who is correct?a. Technician Ab. Technician Bc. Both A and Bd. Neither A nor B
While discussing EGR systems with a differentialpressure feedback electronic (DPFE) sensor: TechnicianA says that the DPFE sensor sends a signal to thePCM in relation to intake manifold pressure. TechnicianB says that the PCM corrects the EGR flow if theactual flow does not match the requested flow. Who iscorrect?a. Technician A onlyb. Technician B onlyc. Both A and Bd. Neither A nor B
Chapter 6 Solutions
Automotive Technology: A Systems Approach (MindTap Course List)
Ch. 6 - Explain why testlights are not recommended for...Ch. 6 - True or False? A compression gauge will show the...Ch. 6 - Name the two basic types of compression gauges.Ch. 6 - What tool is used to test engine manifold vacuum.Ch. 6 - Prob. 5RQCh. 6 - Technician A says that a brake drum micrometer has...Ch. 6 - Technician A says that a pyrometer measures...Ch. 6 - True or False? A lab scope is a visual voltmeter...Ch. 6 - Prob. 9RQCh. 6 - Technician A uses a digital volt/ohmmeter to test...
Ch. 6 - Technician A says that a charging station removes...Ch. 6 - Which of the following statements about manifold...Ch. 6 - True or False? A brake shoe adjusting gauge is an...Ch. 6 - When conducting an oil pressure test: Technician A...Ch. 6 - Which of the following conditions can be revealed...Ch. 6 - Technician A uses a high-impedance testlight on...Ch. 6 - Technician A says that a sulfated and plugged fuel...Ch. 6 - The tests conducted by a scan tool can also be...Ch. 6 - When using a fuel injector pulse tester....Ch. 6 - To measure engine cranking current, a DNIM...Ch. 6 - While discussing a clutch alignment tool....Ch. 6 - True or False? The angle of the drive shaft at the...Ch. 6 - Technician A says that ball joints may be pressed...Ch. 6 - Which of the following is not a suitable way to...Ch. 6 - Prob. 25RQ
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- True or False? On some engines, if the gap between the crankshaft sensor and its trigger wheel is outside specifications, the sensor should be replaced.arrow_forwardDrag and Drop the name into label number. ut of estion 2 Label 1 Label 2 Label 3 Label 4 Filter Gauge FRL Lubricator Regulator Air Dryerarrow_forwardTechnician A says that many oil pressure sensors are typically variable resistors that change resistance based on pressure changes. Technician B says that a sensor substitution box can be used in place of the sensor while observing the reaction of the oil pressure gauge on the dash. Who is correct? Select one: a. Technician A b. Technician B c. Both A and B d. Neither A nor Barrow_forward
- While discussing EGR systems with a differential pressure feedback EGR (DPFE) sensor, Technician A says the DPFE sensor sends a signal to the PCM in relation to intake manifold pressure. Technician B says the PCM can make corrections to the EGR flow if the actual flow does not match the desired flow. Who is correct? A only B only Both A and B Neither A nor Barrow_forwardExplain the working of Orsat exhaust gas analyzer, what are its shortcomings?arrow_forwardWhich of the following statements is not true? a. DTCs that will not affect emissions will never illuminate the MIL. b. An active or current DTC represents a fault that was detected and occurred during two trips. c. When a two-trip fault is detected for the second time, a DTC is stored as a pending code. d. There are some DTCs that will set in one triparrow_forward
- Explain the working of NDIR and chemical sensors of exhaust gas analyzersarrow_forwardThe following instruments are considered gyroscopic. * Tachometer VSI Altimeter Fuel quantity Heading indicator Turn and bank coordinator ASIarrow_forwardThe tests conducted by a scan tool can also be done by some. fuel injector pulse testers exhaust analyzers engine analyzers digital volt/ohmmetersarrow_forward
- A(n) is used to diagnose gauge problems by substituting precise resistances in the gauge circuit and comparing the gauge reading to the specifications. Select one: a. Additive substitution box b. Resistance substitution box c. Gauge reading box d. Oil pressure sensorarrow_forwardThese are considered Powerplant Instruments.arrow_forwardanswer the following questions on automatic transmission diagnositc trouble codes. Complete the following table for the conditions required to run a P0741 DTC. The monitor will run whenever the following DTCs are not present 'ECT (Engine coolant temperature) Transmission range TFT (Transmission fluid temperature): TFT sensor circuit 'ECT sensor circuit Turbine speed sensor circuit Intermediate shaft speed sensor circuit Output speed sensor circuit Shift solenoid valve SL1 circuit Shift solenoid valve SL2 circuit Shift solenoid valve SL3 circuit Shift solenoid valve S4 circuit Shift solenoid valve SR circuit Shift solenoid valve DSL circuit Electronic throttle systemarrow_forward
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