KPI or DIE
What does the "Technician Quote" primarily indicate regarding a vehicle's maintenance?
A) The projected labor hours required for repairs based on industry standards
B) The estimated cost determined by a technician after a thorough inspection of necessary repairs and maintenance
C) A standardized pricing model for specific vehicle makes and models used by the dealership
D) The average cost of parts associated with common repairs across all vehicle types
B
Question: In a LIN network, which node is responsible for initiating all communication and telling the others when to respond?
Answer: The master node.
1. Technician states that Dynamic Calibrations can be completed in the service bay. True or False
False
What is the main function of an oxygen sensor in a gasoline vehicle?
To help the control module maintain the proper air-fuel ratio (14.7:1) for optimal performance and to protect the catalytic converter.
True or false. Can you buy short term access to TLC?
True
NTC what does it stand for.
Negative Temperature Coefficient
**What is the ideal close ratio for a technician’s quote in vehicle service sales?**
A) 20-30%
B) 30-40%
C) 40-50%
D) 50-60%
C) 40-50%
Question: What binary value is represented when the LIN bus is pulled low by the transistor switching on?
Answer: Binary “0”.
2. Which of these ADAS systems sold cover 100 percent of calibrations that need to be performed on vehicles today.
a. Hunter Ultimate
b. John Bean True Point
c. Autel Complete
d. None of the above
D
True or False: The "trim resistor" in an Air Fuel sensor helps calibrate the sensor's output, filter out noise, and compensate for variations in manufacturing tolerances or degradation over time.
True
What's does "SPS2" stand for ?
Service programming system 2
NTC as temperature increases resistance will:
A. Increase
B. Decrease
C. Stay the same
D. Leave the chat
B. Decrease
**What is the ideal range for the "Hours per Car" metric in automotive service, and what does it reflect about shop productivity?**
A) 1.5-2.5 hours; indicates a high volume of quick services with minimal inspection.
B) 2.5-3.5 hours; reflects a balanced workload that enhances shop production through thorough inspections and maintenance work.
C) 3.5-4.5 hours; suggests inefficiencies and overly lengthy service times for each vehicle.
D) 0.5-1.5 hours; implies a focus on rapid turnover at the expense of thorough inspections.
B) 2.5-3.5 hours; reflects a balanced workload that enhances shop production through thorough inspections and maintenance work.
Question: How many slave nodes can be connected to a single master node on a standard LIN network?
Answer: Up to 15 slave nodes.
3. What is the official amount of room to perform all ADAS calibrations?
a. 40x60
b. 80x100
c. 10x20
d. 32x42
A
True or False: The "trim resistor" in an Air Fuel sensor helps calibrate the sensor's output, filter out noise, and compensate for variations in manufacturing tolerances or degradation over time.
True
What's is the main function of a battery maintainer?
To provide clean and stable battery voltage
Name the actuator responsible for the temperature of the air coming out of the vents.
Blend door actuator.
**What does the "Efficiency" metric measure in the context of automotive technician performance?**
A) The ratio of billed hours to total hours worked, expressed as a percentage
B) The number of vehicles serviced in an hour, regardless of complexity
C) The time taken to complete a single task compared to its estimated duration
D) The accuracy of a technician's quotes as a reflection of their skills
A) The ratio of billed hours to total hours worked, expressed as a percentage.
Question: What older communication method is the LIN network’s binary signaling compared to in the presentation?
Answer: Morse code.
4. Two technicians are discussing when an ADAS calibration has to be performed on a vehicle.
Technician A states that calibrations should be performed after a vehicle accident.
Technician B states that a calibration should be performed after an Air Filter replacement.
a. Tech A only
b. Tech B only
c. Both A and B
d. Neither
A
True or False: In open-loop mode, the ECU uses feedback from the oxygen sensors to adjust the fuel mixture.
False (It relies on predetermined values).
What year did Global A architecture start?
2010
Name the actuator responsible for which vents the air comes out of.
Mode door actuator.
**What does the "Productivity" metric evaluate in the context of a technician's performance?**
A) The effectiveness of time management techniques utilized by the technician
B) The total number of hours a technician produces over a specific period, reflecting their steady work output
C) The ratio of completed jobs to the total number of jobs assigned
D) The percentage of customer satisfaction based on service quality
B) The total number of hours a technician produces over a specific period, reflecting their steady work output.
Question: In a LIN communication frame, what section comes first: the header or the response?
Answer: The header.
5. During a static calibration the user commands the control module to learn?
a. Auto Learn Mode
b. Zero Point
c. Color of Target
d. Eric's Calculated Hair Angle
Answer B
True or False: A single-wire oxygen sensor heats up quickly and allows the control module to enter closed-loop status rapidly.
False (They are slow to heat up).
What website can we find RPO codes?
Repair link
The warm-up control strategy is designed to delay or manage the delivery of warm air into the cabin until the engine coolant has reached a usable temperature.
Which of the following will NOT happen.
A. When the engine is cold, the HVAC system may temporarily block airflow through the heater core.
B. As Temperature increases the blend door will move from hot to cold.
C. As temperature increases, the blower speed ramps up gradually.
D. The blower fan may run at a low speed or stay off entirely to prevent cold air from blowing into the cabin.
B. As Temperature increases the blend door will move from hot to cold.
**What is the acceptable range for the "Comeback Ratio," and what does a high ratio indicate about repair quality?**
A) 0% - 1%
B) 1.5% - 3%
C) 3% - 5%
D) 5% - 7%
B) 1.5% - 3%
Question: What is the primary reason LIN is not used for safety-critical systems?
Answer: Because it is a low-speed network.
6. The most important part of an ADAS calibration is?
a. Buying the Targets
b. Level Floor
c. Read the Directions
d. Size of room
Answer C
What are the two main loop statuses an engine control unit (ECU) operates in?
Open loop and closed loop.
What is an approved J2534 device for TLC?
A. CARDAQ 3
B. AUTEL
C. VCM2
D. MDI2
D. MDI2
Name the actuator that allows fresh air to enter the vehicles cabin.
Recirculation door actuator