Diagnostic Test

WARNING: This page is about a different car, the 2016 Jeep Wrangler and 2015 Jeep Wrangler. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FOR AN ACTIVE DTC
1. Turn the ignition on.
  NOTE:
  This DTC is set when the APP Sensor values are learned in-plant but do not reach the minimum or maximum voltage range.
  
  NOTE:
  Diagnose any APP Sensor out of range and 5-Volt Supply DTCs before continuing.
2. With the scan tool, erase DTCs.
3. Start the engine.
4. With the scan tool, read DTCs and record on the repair order.
  Is the DTC active or pending?
  
  Yes
  - Go To 2
  No
  - Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to INTERMITTENT CONDITION .
ACCELERATOR PEDAL POSITION SENSOR
1. With a scan tool perform the ETC RELEARN function.
2. With the scan tool, erase DTCs.
3. Start the engine.
4. With the scan tool, read DTCs.
  Is the DTC active or pending?
  
  Yes
  - Replace the APP Sensor in accordance with the Service Information. Refer to SENSOR, ACCELERATOR PEDAL POSITION . After installation is complete, perform the ETC RELEARN function.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
  No
  - Test Complete.