Title: Verify operation of the instrument panel engine warning indicators.
Course: Automotive Technology I (MLR 3-Year Program) (20104-IA) > Section: ENGINE REPAIR: General

Verification should include

- inspecting for intermittent, high, low, or no-gauge readings
- inspecting gauges and gauge-sending units
- inspecting for the incorrect operation of warning devices and other driver information
- checking coolant temperature, fuel, vehicle speed, odometer, oil pressure, and tachometer
- using related service materials and following manufacturer guidelines.

Note: Typically, digital and fiber-optic gauges and warning circuits are not serviceable by the automotive service technician and are sent to special repair centers when servicing is required.

Process/Skill Questions:

- How is a gauge-sending unit tested?
- What is the purpose of the instrument voltage regulator (IVR)?
- What is a driver information center?
- What is a common problem with connectors?
- What is the difference between a weather-pack connector and a standard connector?