1996 PCED OBDI
SECTION 18: Diesel Diagnosis — 7.3L DI Engine

AA: Idle Validation Switch (IVS)
Introduction
  AA: Pinpoint Tests  









Signal Functions

The idle validation switch (IVS) provides the powertrain control module (PCM) with a signal to verify when the accelerator pedal is in the idle position.

Detection/Management

Any detected malfunction of the IVS will illuminate the CHECK ENGINE light.

DTC Description

0220 = Throttle Switch B circuit malfunction.

0221 = Throttle Switch B circuit performance.

 

 

  AA: Pinpoint Tests