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Diagnosis and Troubleshooting of Automotive Electrical, Electronic, and Computer Systems, 6/e - By James D. Halderman Copyright © 2012, 2010, 2005, 2001,

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Presentation on theme: "Diagnosis and Troubleshooting of Automotive Electrical, Electronic, and Computer Systems, 6/e - By James D. Halderman Copyright © 2012, 2010, 2005, 2001,"— Presentation transcript:

1 Diagnosis and Troubleshooting of Automotive Electrical, Electronic, and Computer Systems, 6/e - By James D. Halderman Copyright © 2012, 2010, 2005, 2001, 1997 Pearson Education, Inc., Upper Saddle River, NJ 07458 All rights reserved. 1 FIGURE 41–1 Rubber linesman’s gloves protect the wearer from a shock hazard.

2 Diagnosis and Troubleshooting of Automotive Electrical, Electronic, and Computer Systems, 6/e - By James D. Halderman Copyright © 2012, 2010, 2005, 2001, 1997 Pearson Education, Inc., Upper Saddle River, NJ 07458 All rights reserved. 2 FIGURE 41–2 Wearing leather gloves over the linesman’s gloves helps protect the rubber gloves from damage.

3 Diagnosis and Troubleshooting of Automotive Electrical, Electronic, and Computer Systems, 6/e - By James D. Halderman Copyright © 2012, 2010, 2005, 2001, 1997 Pearson Education, Inc., Upper Saddle River, NJ 07458 All rights reserved. 3 FIGURE 41–3 Checking rubber linesman’s gloves for pinhole leaks.

4 Diagnosis and Troubleshooting of Automotive Electrical, Electronic, and Computer Systems, 6/e - By James D. Halderman Copyright © 2012, 2010, 2005, 2001, 1997 Pearson Education, Inc., Upper Saddle River, NJ 07458 All rights reserved. 4 FIGURE 41–4 Be sure to only use a meter that is CAT III-rated when taking electrical voltage measurements on a hybrid electric or electric vehicle.

5 Diagnosis and Troubleshooting of Automotive Electrical, Electronic, and Computer Systems, 6/e - By James D. Halderman Copyright © 2012, 2010, 2005, 2001, 1997 Pearson Education, Inc., Upper Saddle River, NJ 07458 All rights reserved. 5 FIGURE 41–5 The meter leads should also be CAT III-rated when checking voltages on a hybrid electric vehicle.

6 Diagnosis and Troubleshooting of Automotive Electrical, Electronic, and Computer Systems, 6/e - By James D. Halderman Copyright © 2012, 2010, 2005, 2001, 1997 Pearson Education, Inc., Upper Saddle River, NJ 07458 All rights reserved. 6 FIGURE 41–6 The Ford Escape Hybrid instrument panel showing the vehicle in park and the tachometer on “EV” instead of 0 RPM. This means that the gasoline engine could start at any time depending on the state-of-charge of the high-voltage batteries and other factors.

7 Diagnosis and Troubleshooting of Automotive Electrical, Electronic, and Computer Systems, 6/e - By James D. Halderman Copyright © 2012, 2010, 2005, 2001, 1997 Pearson Education, Inc., Upper Saddle River, NJ 07458 All rights reserved. 7 FIGURE 41–7 Jump starting a 2001–2003 Toyota Prius using a 12-volt supply to boost the 12-volt auxiliary battery in the trunk.

8 Diagnosis and Troubleshooting of Automotive Electrical, Electronic, and Computer Systems, 6/e - By James D. Halderman Copyright © 2012, 2010, 2005, 2001, 1997 Pearson Education, Inc., Upper Saddle River, NJ 07458 All rights reserved. 8 FIGURE 41–8 The underhood 12-volt jump-start terminal on this 2004+ Toyota Prius has a red plastic cover with a “+” sign. The positive booster cable clamp will attach directly to the vertical metal bracket.

9 Diagnosis and Troubleshooting of Automotive Electrical, Electronic, and Computer Systems, 6/e - By James D. Halderman Copyright © 2012, 2010, 2005, 2001, 1997 Pearson Education, Inc., Upper Saddle River, NJ 07458 All rights reserved. 9 FIGURE 41–9 Using a warning cover over the steering wheel helps others realize that work is being performed on the highvoltage system and that no one is to attempt to start or move the vehicle.

10 Diagnosis and Troubleshooting of Automotive Electrical, Electronic, and Computer Systems, 6/e - By James D. Halderman Copyright © 2012, 2010, 2005, 2001, 1997 Pearson Education, Inc., Upper Saddle River, NJ 07458 All rights reserved. 10 FIGURE 41–10 A lock box is a safe location to keep the ignition keys of a hybrid electric vehicle while it is being serviced.

11 Diagnosis and Troubleshooting of Automotive Electrical, Electronic, and Computer Systems, 6/e - By James D. Halderman Copyright © 2012, 2010, 2005, 2001, 1997 Pearson Education, Inc., Upper Saddle River, NJ 07458 All rights reserved. 11 FIGURE 41–11 Insulated tools, such as this socket set, would provide an additional margin of safety to the service technician when working around high-voltage components and systems.

12 Diagnosis and Troubleshooting of Automotive Electrical, Electronic, and Computer Systems, 6/e - By James D. Halderman Copyright © 2012, 2010, 2005, 2001, 1997 Pearson Education, Inc., Upper Saddle River, NJ 07458 All rights reserved. 12 FIGURE 41–12 The high-voltage wiring on this Honda hybrid is colored orange for easy identification.

13 Diagnosis and Troubleshooting of Automotive Electrical, Electronic, and Computer Systems, 6/e - By James D. Halderman Copyright © 2012, 2010, 2005, 2001, 1997 Pearson Education, Inc., Upper Saddle River, NJ 07458 All rights reserved. 13 FIGURE 41–13 A scan tool display showing two hybrid-related faults in this Ford Escape hybrid.

14 Diagnosis and Troubleshooting of Automotive Electrical, Electronic, and Computer Systems, 6/e - By James D. Halderman Copyright © 2012, 2010, 2005, 2001, 1997 Pearson Education, Inc., Upper Saddle River, NJ 07458 All rights reserved. 14 FIGURE 41–14 Always use the specified viscosity of oil in a hybrid electric vehicle not only for best fuel economy but also because of the need for fast lubrication because of the engine (idle) stop feature.

15 Diagnosis and Troubleshooting of Automotive Electrical, Electronic, and Computer Systems, 6/e - By James D. Halderman Copyright © 2012, 2010, 2005, 2001, 1997 Pearson Education, Inc., Upper Saddle River, NJ 07458 All rights reserved. 15 FIGURE 41–15 This 12 volt battery under the hood on a Ford Fusion hybrid is a flooded cell type auxiliary battery.

16 Diagnosis and Troubleshooting of Automotive Electrical, Electronic, and Computer Systems, 6/e - By James D. Halderman Copyright © 2012, 2010, 2005, 2001, 1997 Pearson Education, Inc., Upper Saddle River, NJ 07458 All rights reserved. 16 HV GLOVE USE

17 Diagnosis and Troubleshooting of Automotive Electrical, Electronic, and Computer Systems, 6/e - By James D. Halderman Copyright © 2012, 2010, 2005, 2001, 1997 Pearson Education, Inc., Upper Saddle River, NJ 07458 All rights reserved. 17 HV GLOVE USE

18 Diagnosis and Troubleshooting of Automotive Electrical, Electronic, and Computer Systems, 6/e - By James D. Halderman Copyright © 2012, 2010, 2005, 2001, 1997 Pearson Education, Inc., Upper Saddle River, NJ 07458 All rights reserved. 18 HV GLOVE USE

19 Diagnosis and Troubleshooting of Automotive Electrical, Electronic, and Computer Systems, 6/e - By James D. Halderman Copyright © 2012, 2010, 2005, 2001, 1997 Pearson Education, Inc., Upper Saddle River, NJ 07458 All rights reserved. 19 HV GLOVE USE

20 Diagnosis and Troubleshooting of Automotive Electrical, Electronic, and Computer Systems, 6/e - By James D. Halderman Copyright © 2012, 2010, 2005, 2001, 1997 Pearson Education, Inc., Upper Saddle River, NJ 07458 All rights reserved. 20 HV GLOVE USE

21 Diagnosis and Troubleshooting of Automotive Electrical, Electronic, and Computer Systems, 6/e - By James D. Halderman Copyright © 2012, 2010, 2005, 2001, 1997 Pearson Education, Inc., Upper Saddle River, NJ 07458 All rights reserved. 21 HV GLOVE USE

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