This is for ANDROID device and not Apple/Iphones.
Plug ELM 327 into OBDII and turn ignition on, engine off
On you phone, go to 'settings'
turn on 'bluetooth', tap search for devices
should show up as OBDII, tap to pair
if asks for password, it is either 0000, 000000, 1234, or 123456. One of them will work.
Once paired, tap and open Torque PRO
go to Torque PRO 'settings'
'select device'
select OBDII
Go to gauge menu
start jeep
should see values,
also look for 'engine status' for closed/open loop operation