A Technician Is Viewing a Scan Tool Data Stream to Diagnose

question 13

Multiple Choice

A technician is viewing a scan tool data stream to diagnose an OBD II system. The downstream HO₂S has the same voltage switching rate as the upstream HO₂S. Technician A says the air/fuel ratio is too rich. Technician B says the catalytic converter may be defective. Who is correct?

• A) A only
• B) B only
• C) both A and B
• D) neither A nor B

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Definitions:

Semiannual Interest

Interest that is calculated and paid twice a year, commonly used in bonds and other fixed-income investments.

Par Value

The nominal or face value of a stock or bond, representing the minimum price at which the security can be sold upon its initial offering and having legal ramifications.

Bonds

Long-term debt securities issued by corporations or governments, promising to pay the holder a specified amount of interest over a set period and to repay the principal at maturity.

General Journal Entry

An entry in the general journal that records financial transactions in the order they occur, detailing debit and credit entries for accounting.