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100

Where is the EBS system mostly used? 

Europe 1059

100

The speed at which any computer “thinks” is known as what? 

Clock speed 1063

100

On the EBS system what is the brake pedal? 

A simple input 1059

100

How many modulators can be in a typical brake modulator assembly? 

One to four 1064

100

Can trailers have ABS components? 

Yes or No

Yes 1069

200

What system has a proven track record for effectiveness?

 4S/4M 1068

200

What is the usual voltage on a sensor? 

0.200 volt AC 1077

200

Where are the sensors on a steer axle be? 

Inboard side of the steering knuckle 1076

200

What is the term six channel? 

Six paths to modulators and from wheel sensors. 1068

200

Will checking for Ohms ruin your meter?

No

300

What did the federal motor vehicle safety standard (fmvss) no. 121 mandate on all ABSed vehicles? 

That if the abs fails that the brakes should operate like a non-abs system 1058

300

How many volts should an ABS system have? 

Between 11 and 14 volts 1075

300

What is the most common channel system used? 

Four in four out, 4S/4M, or six in six out, 6S/6M. 1068

300

What are some advantages of EBS? 

Quicker response time on service brakes, and it can work with accident-avoidance systems 1059

300

What are Amps?

Number of electrons passing any given point.

400

What would happen if the tires on the front are more than 14% size difference? 

The warning lamp will illuminate and you will not have ABS. 1075

400

What is the normal resistance in an ABS modulation valve?

 4-8 Ohms 1079

400

What are some of the components of the wheel and axle speed sensors? 

Wheel speed sensor reluctor wheel, chopper wheel, exciter ring or tone wheel, pulse generator 1062

400

What usually causes a code 13? 

Excessive gap between sensor and the exciter wheel 1076

400

What is Voltage drop?

Difference in pressure being measured in two different spots.

500

How do you adjust a sensor? 

Push it in until it makes contact with the tooth wheel, it will self-adjust from there. 1077

500

What does a flashing code 13 mean? 

That an output of a moving sensor is insufficient 1076

500

What system is available in addition to ABS that will make the truck that much safer? 

Stability control electronics 1080

500

If you are putting a truck on a dynamometer was must you check for?

 That the traction control is inactive. 1077

500

What do you "hunt" for when electrical troubleshooting?

Voltage, or voltage drop