LEMON Manuals: Even more car manuals for everyone
Home >> Chrysler >> 2011 >> 300 C, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 499 (2.4L - DTCS P000A To P0303) >> Diagnosis And Testing >> P0128-Thermostat Rationality >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different car, the 2013 Dodge Avenger and 2013 Chrysler 200. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECKING THE TEMPERATURE SENSORS. 
    NOTE:

    Diagnose and repair any ambient air temperature (AAT), intake air temperature (IAT), or engine coolant temperature (ECT) sensor circuit or rationality DTCs before continuing with this test.

    NOTE:

    Diagnose and repair any crankshaft (CKP) or camshaft (CMP) sensor circuit or rationality DTCs before continuing with this test.

    NOTE:

    Diagnose and repair any communication DTCs before continuing with this test.

    NOTE:

    Verify that the Pinion Factor has been programmed correctly into the PCM.

    1. Perform the diagnostic procedure for CHECKING THE TEMPERATURE SENSORS. Refer to DIAGNOSIS AND TESTING .

      Were any problems found?

      Yes 

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

      No 

      • Go To  2
  2. CHECKING THE ENGINE COOLANT TEMPERATURE SENSOR OPERATION. 
    1. Perform the diagnostic procedure for CHECKING THE ENGINE COOLANT TEMPERATURE SENSOR OPERATION. Refer to DIAGNOSIS AND TESTING .

      Were any problems found?

      Yes 

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

      No