Title: Verify operation of the instrument panel engine warning indicators.
Course: Automotive Technology II (20104-II) > Section: Engine Repair: General

Verification should include

- inspecting for intermittent, high, low, or no-gauge readings
- inspecting gauges and gauge sending units
- inspecting for 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.

ASE Education Foundation
2017 Maintenance and Light Repair (MLR) Level
I. Engine Repair
A. General
Task 2

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?