LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Hummer >> 2003 >> H2 >> Repair and Diagnosis >> Electrical >> Starter >> Starters >> Scan Tool Data Definitions
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Scan Tool Data Definitions

  1. Ignition 1 Signal  - The scan tool displays the current voltage at the battery.
  2. GEN L-Terminal Signal Command  - The scan tool displays okay/No Output. The scan tool displays okay until malfunction is detected on the generator L-terminal circuit, then it reads No Output.
  3. GEN F-Terminal Signal  - The scan tool displays 0-100%. The scan tool displays 0-5% until the engine is running, then the percentage value varies depending on electrical loads.
scientia non olet · About LEMON Manuals