Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Cadillac >> 1993 >> Allante >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P030: Idle Speed Control (ISC) Rpm Out Of Range >> Test Conditions

Test Conditions

  1. Codes P021, P022, P024, P026, and P027 not set.
  2. Throttle position switch closed.
  3. Vehicle speed less than or equal to 0 MPH.
  4. Battery voltage 11 volts or greater.
  5. Actual idle engine speed is at least 152 RPM different from desired RPM.
  6. Idle speed control start up delay over.
  7. Engine not receiving a power steering load.
  8. PCM is not commanding an idle speed anticipate.
scientia non olet · About Mike's Workshop Manuals