diagnostics Archives - Tomorrows Technician
Battery Charging and Programming Diagnostics

Temperature changes how the battery discharges and the amount of current that can be delivered.

Ball Joint Inspection

It’s important to remember not to miss a worn joint. If a ball joint fails, the driver loses control of the vehicle.

Mercedes Ignition Coil Pack Diagnostics

Replacing a single coil might not be the best approach to curing an engine of a chronic misfire.

Wheel Speed Sensor and Hub Unit Diagnostics

All wheel speed sensor codes are just the starting points of a diagnosis and not a reason to order a part.

Audi Alignment & Calibration

Adaptive cruise control can make the alignment more complex.

Reflashing Power Supplies

Trying to make do with a battery charger or jumper pack can cost you more.

ABS Diagnostics

ABS is the foundation of the ESC system.

Diagnostic Procedures For Stop/Start Systems

Stop/start technology is more than just a switch wired to the brake pedal and starter.

Diagnosing Oxygen Sensors

Picking the right tool is critical. This video is sponsored by Auto Value and Bumper to Bumper.

Throttle-By-Wire Diagnostics

On older throttle cable systems, the carburetor or fuel injection system reacted to the throttle angle.

Fuel Pressure Diagnostics

Direct injection pressure is measured with sensors, and the signals are used to determine pump speed and/or volume.

Diagnosing Driveability Problems

Understanding what comes out through the exhaust valve is critical to solving any emissions or driveability problem.