diagnostics Archives - Page 2 of 10 - Tomorrows Technician
ABS/ESC False Activation Diagnostics

False activation incidents involve the ABS modulator taking over braking or intervening to restore vehicle stability.

OBDII Connectors

OBDII connectors serve as the main communication point between the technician and the vehicle.

Ignition Diagnostics

This part of the cycle is when the mixture of air and fuel ignites and how the flame front spreads in the cylinder.

High-Pressure GDI Fuel Pumps

When solving a fuel pump issue, the scan tool is your best friend.

Diagnosing And Repairing Wheel Bearing Noise

Chirping or growling noise coming from under the car? Check your wheel bearings.

Jaguar Suspension With Wheel Bearing Hub
Checking The Auxiliary Water Pump

A car or truck comes into the shop with a complaint of poor heater performance. The issue may be the auxiliary water pump.

Tech holds up heater core
Solving No Heat Complaints

Here are 10 guidelines for making sure a vehicle’s heat functions.

Tesla Diagnostics

Sooner or later, someone might ask if you can work on a Tesla.

Vehicle Scanning & Calibration Technology

Scan tools and calibration equipment have come a long way as far as ease of operation and ability to access the vehicle.

Electric Power Steering Diagnostics

Load management for steering systems.

TPMS Sensor Signals

TPMS sensor signals are low power and low frequency, with most sensors transmitting at 315MHz or 433MHz.

ECM/PCM Communication Issues (VIDEO)

Before you swap out a module that won’t communicate, do a few simple inspections. Sponsored by The Group Training Academy.