Multimeter
An electrical testing device used to measure voltage, current, and resistance.
A digital multimeter is an essential tool for every automotive electrician. It measures voltage, resistance, and current in various components like sensors, circuits, and relays. Technicians use it to check battery condition, ground connections, and electrical continuity. Advanced multimeters include data hold, auto-ranging, and temperature functions. Proper usage prevents misdiagnosis and ensures that all electrical readings remain within factory specifications. Learning to interpret readings accurately can prevent part failures and wasted repair costs.
Related Diagnostic Guide
This topic is part of CHEPQ’s system-level diagnostic framework.
For a broader understanding of how this component is analyzed in real-world diagnostics, refer to the following guide:
Applying This Knowledge in Practice
The diagnostic principles discussed above are commonly applied in real-world vehicle diagnostics. To put this knowledge into practice, explore professional automotive diagnostic tools designed to support system testing, fault analysis, and troubleshooting across modern vehicles.