LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Cadillac >> 1991 >> Allante 440T4/ME9 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Introduction >> Service Telltale & Message Operation >> Telltale On
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Telltale On

  1. BULB CHECK

    Ignition switch in crank position.

  2. MALFUNCTION

    When a diagnostic Trouble Code is Current. See DIAGNOSTIC TROUBLE CODE DEFINITIONS  for those Codes that turn ON the telltale.

  3. DIAGNOSTIC MODE

    After the indicator and segment check, the telltale should remain ON.
scientia non olet · About LEMON Manuals