CATI

APRIL 24, 2025

You may also be called upon to perform emissions-related recalls, conduct diagnostic testing for inspections, or educate customers about why certain repairs are necessary to keep their vehicles compliant. As a certified technician, you must ensure that any repairs or modifications comply with regulatory standards.

Mechanic 65

Mechanic Vehicle Automotive Diagnostic Testing 65

Brake & Front End

AUGUST 27, 2024

Most electronic devices operate on signals toggling between 0 and 5 volts. Often a low voltage event might occur after the engine is started and modules might be performing self-diagnostic tests when the loads on the alternator are the greatest. On most automotive serial data buses, the peak voltage level might be 7 volts.

Diagnostic Testing 100

Diagnostic Testing Electricity Electronics Vehicle 100

RepairSmith

OCTOBER 26, 2023

The Audi EPC (Electronic Power Control) system activates this mode to avoid engine damage, and an EPC light also appears on the dashboard. Before the technician repairs your Audi, they’ll run a diagnostic test to detect the fault leading to an active CEL. Reconnect the cable after about 15 minutes.

Check Engine Light 52

Check Engine Light Engineering IT Oil Change 52

RepairSmith

OCTOBER 26, 2023

The Audi EPC (Electronic Power Control) system activates this mode to avoid engine damage, and an EPC light also appears on the dashboard. Before the technician repairs your Audi, they’ll run a diagnostic test to detect the fault leading to an active CEL. Reconnect the cable after about 15 minutes.

Check Engine Light 52

Check Engine Light Engineering IT Oil Change 52

The Mechanic Doctor

OCTOBER 23, 2023

Additionally, using electronic devices like headlights and air conditioning while the car is idle can put a strain on the alternator, causing it to fail prematurely. Additionally, drive with minimal electronic devices turned on, such as headlights or interior lights.

Car 52

Car Mechanic Engineering Air Conditioning 52

Auto Service World

MARCH 31, 2025

They include thorough diagnostic testing to identify and fix common electrical and display issues. With more than 70 years of experience in the automotive electronics industry, we understand how critical a properly functioning instrument cluster is for staying safe, said Emily Rosenquist, president and CEO at ISS Automotive.

Automotive 130

Automotive Diagnostic Testing Electronics Electricity 130