LEMON Manuals: Even more car manuals for everyone
Home >> Jeep >> 2014 >> Wrangler Sahara, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 160 (3.6L - DTCS P06DA To P2128) >> DTC Troubleshooting >> P2101-Electronic Throttle Control Motor Performance >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different car, the 2016 Dodge Journey and 2015 Dodge Journey. However, it is still accessible from the selected car via links, so may be relevant.
  1. ACTIVE DIAGNOSTIC TROUBLE CODE (DTC) 
    NOTE:

    When this DTC is Active the engine speed, torque and vehicle speed are limited to a Limp in mode.

    NOTE:

    Before continuing visually inspect the throttle blade and bore for any obstructions. Icing of the throttle body may have caused this code to set.

    NOTE:

    Low battery voltage can also cause excessive current draw, in very hot and very cold ambient temperature. Make sure the battery can pass a load test before continuing.

    NOTE:

    Diagnose any 5-Volt Supply, Battery and TP Sensor DTCs before continuing.

    1. Ignition on, engine not running.
    2. With the scan tool, read the active DTCs.

      Is the DTC Active at this time?

      Yes 

      • Go To  2

      No 

  2. THROTTLE PLATE INSPECTION 
    1. Turn the ignition off.
    2. Remove the Air Cleaner Assembly from the Throttle Body. Refer to BODY, AIR CLEANER, REMOVAL .
    3. Check for any signs of a foreign material (ice or dirt) on the Throttle Plate or in the bore causing the Throttle Plate to stick.

      Were any problems found?

      Yes 

      • Remove the debris if possible or replace the Throttle Body Assembly. Refer to THROTTLE BODY, REMOVAL . Disconnect the Battery when replacing the Throttle Body Assembly. After installation is complete, use a scan tool and select the ETC RELEARN function.
      • Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST . .

      No 

      • Go To  3
  3. THROTTLE POSITION WITHIN 2 DEGREES OF DESIRED THROTTLE POSITION 
    1. Start the engine.
    2. Allow the engine to reach normal operating temperature.
    3. With the scan tool, monitor the Actual Throttle Position and Desired Throttle Position.
    4. Compare the Actual Throttle Position and the Set Point Throttle Position.

      Is the Actual Throttle Position within 2 degrees of the Desired Throttle Position?

      Yes 

      • Go To  4

      No 

      • Replace the Throttle Body Assembly. Refer to THROTTLE BODY, REMOVAL . Disconnect the Battery when replacing the Throttle Body Assembly. After installation is complete, use a scan tool and select the ETC RELEARN function.
      • Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST . .
  4. ETC OPERATION 
    1. Ignition on, engine not running.
    2. With the scan tool, perform the ETC Throttle Follower Test.
      NOTE:

      It may be necessary to use a mirror to see the throttle blade.

    3. Observe the throttle blade.
      NOTE:

      Make sure the motion of the throttle blade is smooth and that it opens and closes.

      Did the ETC motor operate properly?

      Yes 

      No 

      • Replace the Throttle Body Assembly. Refer to THROTTLE BODY, REMOVAL . Disconnect the Battery when replacing the Throttle Body Assembly. After installation is complete, use a scan tool and select the ETC RELEARN function.
      • Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST . .