LEMON Manuals: Even more car manuals for everyone
Home >> Chrysler >> 2011 >> 300 C, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 334 ((Powertrain Control Module (Pcm) - Electrical Diagnostics - 65RFE Automatic Transmission - 1500)) >> Diagnosis And Testing >> P0726-Engine Speed Input Circuit Range/Performance >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different car, the 2013 RAM 1500. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK FOR RELATED ENGINE DTCS 
    NOTE:

    This is not a Transmission Input Speed Sensor DTC.

    1. Ignition ON, Engine Not Running.
    2. With the scan tool, read all Engine DTCs. This includes any active, stored or one trip DTCs.

      Are any engine RPM related DTCs present?

      Yes 

      • Refer to the DTC INDEX - 1500 article and perform the appropriate diagnostic procedure.

      No 

      • Go To  2
  2. CHECK IF DTC IS CURRENT 
    1. Ignition ON, Engine Not Running.
    2. With a scan tool, read and record all Event Data.
    3. With the scan tool, erase all active and stored transmission DTCs.
      NOTE:

      It may be necessary to perform a battery disconnect with the scan tool to clear Event Data.

    4. Using the Event Data, duplicate the conditions in which the DTC set.
    5. With the scan tool, read transmission and engine DTCs.
      NOTE:

      Refer to all engine DTCs first in the following question.

      Pick the answer below that best describes your findings, (this includes one trip failures).

      Transmission DTC P0726 set 

      • Using the schematics as a guide, check the Powertrain Control Module (PCM) terminals for corrosion, damage or terminal push out. Also check the Crank Position sensor and wiring. Pay particular attention to all power and ground circuits. If no problems are found, replace and program the PCM in accordance with the Service Information. With the scan tool, perform a Quick Learn. Refer to MODULE, POWERTRAIN CONTROL, REMOVAL .
      • Perform the TRANSMISSION VERIFICATION TEST. Refer to STANDARD PROCEDURE  .

      Engine DTC set 

      No DTC set 

      • Go To  3
  3. CHECK WIRING AND CONNECTORS 
    1. The conditions necessary to set this DTC are not present at this time.
    2. Using the schematics as a guide, inspect the wiring and connectors specific to this circuit.
    3. Wiggle the wires while checking for shorted and open circuits.
    4. With the scan tool, check the Event Data to help identify the conditions in which the DTC set.

      Were any problems found?

      Yes 

      • Repair as necessary.
      • Perform the TRANSMISSION VERIFICATION TEST. Refer to STANDARD PROCEDURE  .

      No 

      • Test Complete.
scientia non olet · About LEMON Manuals