BuyFind

Automotive Technology: A Systems A...

6th Edition
Jack Erjavec + 1 other
Publisher: Cengage Learning
ISBN: 9781133612315
BuyFind

Automotive Technology: A Systems A...

6th Edition
Jack Erjavec + 1 other
Publisher: Cengage Learning
ISBN: 9781133612315

Solutions

Chapter
Section
Chapter 31, Problem 2ASRQ
Textbook Problem

While discussing IAC valve diagnosis: Technician A says that on some vehicles, a jumper wire may be connected to specific DLC terminals to check the IAC valve operation. Technician B says that if the scan tester indicates zero IAC valve counts, there may be an open circuit between the PCM and the IAC valve. Who is correct?

a. Technician A

b. Technician B

c. Both A and B

d. Neither A nor B

Expert Solution
To determine

The technician with correct approach in DLC terminals.

Explanation of Solution

Given:

Technician A says that on some vehicles, a jumper wire may be connected to specify DLC terminals to check the IAC valve operations.

Technicians B say that if the scan tester indicates zero IAC valve counts, there may be an open circuit between the PCM and the IAC valve.

Ideal air control valve (IAC) used in vehicles to control the engines idle rotational speed...

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Chapter 31 Solutions

Automotive Technology: A Systems Approach (MindTap Course List)
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