Reading/Measuring Value Block (Function 08): Requirements
- Engine coolant temperature 85°C minimum (185°F).
- All electrical consumers switched OFF.
- A/C switched OFF (press minus key in the A/C control head and display the unit over and over until all displays are gone.
- Transmission selector lever in Park or Neutral position.
- Check Diagnostic Trouble Code (DTC) memory. See RETRIEVING DIAGNOSTIC TROUBLE CODES . Then erase. See CLEARING CODES .