Selecting System

Following trouble code display, first available system will be displayed (i.e. ECM).

When selecting a test, there are 4 available actions to be taken:

• Pressing OFF button will stop system selection process and return display to beginning of trouble code sequence.
• Pressing LO fan button will display next available system selection. This allows all system selections to be displayed.
• Pressing HI fan button will select displayed system for testing.