Unit 2 Test B

A scan tool is capable of all of the following tasks, except:

• modifying the powertrain control module programing.
• reading and clearing diagnostic trouble codes.
• observing live vehicle data.
• viewing freeze frame data from codes that have been set.

If the tire size is P195/60R14, the section width is _____.

• 195 mm
• 60 mm
• R
• 14"

If a tire size is P215/65R17, the aspect ratio of the tire is _____.

• P215
• 65
• R
• 17

A disc brake inspection includes checking all of the following parts, except:

• wheel cylinder
• brake caliper slides
• brake pad thickness
• brake disc condition

A drum brake inspection includes checking all of the following parts, except:

• wheel cylinder
• caliper piston
• shoe linings
• hardware (springs, clips, and pins)

All of the following are examples of live vehicle datastreams that can be viewed on a scan tool, except:

• engine load percentage.
• spark advance degrees.
• oil viscosity.
• engine rpm.

All of the following are examples of diagnostic trouble codes, except:

• P0138
• U0537
• C1894
• X8276

All of the following statements are true about tire pressure, except:

• he pressure specifications can be found on a decal on the vehicle.
• the pressure should be checked and adjusted when the tire is hot.
• the overinflation of a tire will cause improper tread wear during operation.
• the tire may be pressurized with purified nitrogen gas.

When inspecting a tire, all of the following issues require tire replacement, except:

• low tire pressure.
• severe tread wear.
• a large tear in the sidewall.
• cracks in the sidewall due to old age.

When measuring brake disc runout, the dial indicator tip should touch the _____ as the disc is rotated.

• outside edge of the brake disc
• center of the brake disc
• outside edge of the wheel hub
• None of the above