LEMON Manuals: Even more car manuals for everyone
Home >> Cadillac >> 1992 >> DeVille Touring >> Repair and Diagnosis >> External Pages >> Different car >> Section 22 (Engine Controls - Tests W/Codes) >> Self-Diagnostic System >> Service Mode Operation >> Selecting System Level

Selecting System Level

WARNING: This page is about a different car, the 1992 Cadillac Seville and 1992 Cadillac Eldorado. However, it is still accessible from the selected car via links, so may be relevant.

Following trouble code display, first available system will be displayed (i.e., IPC?). When selecting a system to test, any of following actions may be taken to control display:

  1. Depressing OFF button on ECC panel will stop system selection process and return display to beginning of PCM trouble code sequence.
  2. Depressing LO (fan down) button on ECC panel will display next available system selection (i.e., IPC?, ACP? or SIR?).
  3. Depressing HI (fan up) button on ECC panel will select displayed system for testing (i.e., PCM DATA, PCM INPUTS, PCM OUTPUTS, etc.). See Figure .
  4. Depressing OFF button on ECC panel will exit SERVICE MODE and diagnostics and will return system to normal display and operation.
scientia non olet · About LEMON Manuals