'94.5-97 PowerStroke 7.3L DI Turbo Diesel Accelerator Pedal Position (APP) sensor & Idle Validation Switch (IVS)
1 - Takeout from main wiring harness
2 - Accelerator Pedal Position sensor
3 - Connector for APP
4 - Accelerator pedal assembly
5 - Idle Validation Switch
6 - Connector for IVS
The IVS should be closed (less than 5 Ohms, short circuit, ON) when the pedal is released, and open (greater than 10K Ohms, OFF) at any other pedal position.
The APP is tested as this page describes:
![appivs.jpg '94.5-97 PowerStroke 7.3L DI Turbo Diesel Accelerator Pedal Position (APP) sensor & Idle Validation Switch (IVS)
1 - Takeout from main wiring harness
2 - Accelerator Pedal Position sensor
3 - Connector for APP
4 - Accelerator pedal assembly
5 - Idle Validation Switch
6 - Connector for IVS
The IVS should be closed (less than 5 Ohms, short circuit, ON) when the pedal is released, and open (greater than 10K Ohms, OFF) at any other pedal position.
The APP is tested as this page describes:
[url=https://www.supermotors.net/registry/media/1159546][img]https://www.supermotors.net/getfile/1159546/thumbnail/tpsgraph.jpg[/img][/url]](https://www.supermotors.net/getfile/1159904/fullsize/appivs.jpg)