Idle mode PID?

[SpaceHiker]

Anyone know if there is an OBD  PID for idle mode? Say for instance my truck had a weird lopey idle and I suspected that the APPS is rapidly jumping from idle mode to off-idle (because the truck also jumps out of fast-idle mode when it's cold). I know I can check it with a meter, but I was hoping I could monitor it from obd.

 

Thanks.

[Mopar1973Man]

No. No such PID exist. The DRBIII might have that but most don't have access to such a expensive tools.

[SilverMoose]

The OBDlink can monitor the TPS. That would tell you if it is jumping around.

 

L8tr

D

[Me78569]

obdlink will tell you if there is throttle input, but not if the IVS is switching on and off.  

 

Idle state is controlled by another "function" of the apps.

[SpaceHiker]

Sigh, that's what I was afraid of. Ya my OBD setup (Torque Pro) just bottoms out the throttle at 9%. It's a common issue and doesn't really tell me anything unfortunately.

 

Thanks for the confirmation.

[Mopar1973Man]

If it was me I would just change out for a Timbo's APPS being it fully a mechanical APPS sensor and no electronics. Then it a matter of angle to trip the IVS switches than voltage. As long as the angle is right then the IVS should be in the idle position.

 

TPS should show 0% at idle. 

 

If you've done any voltage adjustment that is what screwed it up. NEVER adjust the voltage of the APPS to match the tag. 

Edited April 18, 2018 by Mopar1973Man

[SilverMoose]

On 4/17/2018 at 8:37 PM, Me78569 said:

obdlink will tell you if there is throttle input, but not if the IVS is switching on and off.  

 

Idle state is controlled by another "function" of the apps.

I stand corrected and figured that after postings. Thx

 

L8tr

D

 

I still have much to learn

[Mopar1973Man]

2 hours ago, SilverMoose said:

I stand corrected and figured that after postings. Thx

 

L8tr

D

 

I still have much to learn

Here... Timbo's APPS exposed. 

 

Assembled with wiper arm. 

[SpaceHiker]

On 4/18/2018 at 8:27 AM, Mopar1973Man said:

If it was me I would just change out for a Timbo's APPS being it fully a mechanical APPS sensor and no electronics. Then it a matter of angle to trip the IVS switches than voltage. As long as the angle is right then the IVS should be in the idle position.

 

 

I have a Banks Brake and I don't think the Timbo will work with a Banks, otherwise I'd get one. Haven't made any adjustments, although I've read your info on how to do it properly (I tested the APPS with a meter maybe 4 years ago and everything checked out fine). Still the original APPS after 20 years and 280k miles.

[Mopar1973Man]

Yes it will work with a Banks.

[dripley]

Most definitely will. Had the Timbo on mine long before the Banks EB.

[SpaceHiker]

11 hours ago, dripley said:

Most definitely will. Had the Timbo on mine long before the Banks EB.

 

Good to know, thanks!