LEMON Manuals: Even more car manuals for everyone
Home >> Chrysler >> 2011 >> 300 C, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 732 (6.4L - DTCS P2320 To U1449 - 2500 Hd, 3500 Hd) >> Diagnosis And Testing >> P3402-Cylinder 1 Deactivation Control Performance >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different car, the 2014 RAM 3500 HD and 2014 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
  1. ACTIVE DTC 
    NOTE:

    Diagnose any Misfire DTCs before continuing.

    1. Turn the ignition on.
    2. With a scan tool, read DTCs.

      Is the DTC active at this time?

      Yes 

      • Go To  2

      No 

  2. CHECKING MDS SOLENOID CIRCUIT FROM THE PCM SIDE OF THE MDS IN-LINE CONNECTOR 
    NOTE:

    The DTC must not be active for the actuator test to operate properly, clear all DTC before continuing.

    1. Turn the ignition off.
    2. Disconnect the MDS in-line harness connector located behind the left side cylinder head.
    3. Using a 12-volt test light, jump from the (Z903) Ground circuit to the (K451) MDS Solenoid 1 Control circuit at the MDS in-line harness connector (PCM side).
    4. Turn the ignition on.
    5. Using the scan tool, actuate the MDS Solenoid 1.

      Does the 12-volt test light flash on and off?

      Yes 

      • Go To  3

      No 

      • Go To  7
  3. MDS SOLENOID RESISTANCE 
    1. Turn the ignition off.
    2. Measure the resistance between the Ground circuit and the (K451) MDS Solenoid 1 Control circuit in the MDS in-line harness connector (MDS side).
      NOTE:

      It is important to follow the below temp/resistance values to ensure an accurate reading.

      MDS SOLENOID RESISTANCE
      TEMPERATURE VALUE RESISTANCE - MINIMUM RESISTANCE - MAXIMUM
      -18° C (0° F) 7.22 Ω 8.12 Ω
      0° C (32° F) 7.92 Ω 8.82 Ω
      20° C (68° F) 8.72 Ω 9.62 Ω
      38° C (100° F) 9.42 Ω 10.32 Ω
      66° C (150° F) 10.62 Ω 11.52 Ω
      93° C (200° F) 11.82 Ω 12.72 Ω
      121° C (250° F) 12.82 Ω 13.72 Ω
      149° C (300° F) 14.02 Ω 14.92 Ω

      Is the resistance within an acceptable range?

      Yes 

      • Go To  10

      No 

      • Go To  4
  4. GROUND CIRCUIT OPEN (MDS SIDE) 
    1. Turn the ignition off.
    2. Disconnect the PCM C2 harness connector.
    3. Gain access to the MDS Solenoid. Refer to SOLENOID, MULTIPLE DISPLACEMENT, REMOVAL .
    4. Disconnect the MDS harness connector.
    5. Measure the resistance of the (Z903) Ground circuit between the MDS in-line harness connector and the MDS 1 harness connector.

      Is the resistance below 5.0 Ohms?

      Yes 

      • Go To  5

      No 

      • Repair the (Z903) Ground circuit for an open or high resistance.
      • Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
  5. CHECK THE (K451) MDS SOLENOID 1 CONTROL CIRCUIT FOR A SHORT TO GROUND (MDS SIDE) 
    Fig 1: Checking VVT Solenoid Control Circuit For Short To Ground
    GC0142000Courtesy of CHRYSLER GROUP, LLC
    1. Turn the ignition off.
    2. Measure the resistance between ground and the (K451) MDS Solenoid 1 Control circuit in the MDS Solenoid 1 harness connector.

      Is the resistance above 10k Ohms?

      Yes 

      • Go To  6

      No 

      • Repair the short to ground in the (K451) MDS Solenoid No. 1 Control circuit between the C101 harness connector and the MDS harness connector.
      • Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
  6. CHECK THE (K451) MDS SOLENOID 1 CONTROL CIRCUIT FOR AN OPEN (MDS SIDE) 
    1. Measure the resistance of the (K451) MDS Solenoid 1 Control circuit from the MDS Solenoid 1 harness connector to the MDS in-line harness connector.

      Is the resistance below 5.0 Ohms?

      Yes 

      No 

      • Repair the open in the (K451) MDS Solenoid 1 Control circuit between the MDS in-line harness connector and the MDS harness connector.
      • Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
  7. CHECK THE (Z903) GROUND CIRCUIT FOR AN OPEN BETWEEN THE MDS IN-LINE CONNECTOR AND THE PCM 
    1. Turn the ignition off.
    2. Using a 12-volt test light connected to the 12 Volts, probe the (Z903) Ground circuit in the MDS in-line harness connector (PCM side).

      Does the test light illuminate brightly?

      Yes 

      • Go To  8

      No 

      • Repair the Ground circuit between the MDS in-line connector and PCM C2 harness connector.
      • Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
  8. CHECK THE (K451) MDS SOLENOID 1 CONTROL CIRCUIT FOR A SHORT TO GROUND (PCM SIDE) 
    1. Measure the resistance between ground and the (K451) MDS Solenoid 1 Control circuit in the MDS in-line harness connector (PCM side).

      Is the resistance below 10k Ohms?

      Yes 

      • Repair the short to ground in the (K451) MDS Solenoid No. 1 Control circuit between the PCM harness connector and the MDS in-line harness connector.
      • Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .

      No 

      • Go To  9
  9. CHECK THE (K451) MDS SOLENOID 1 CONTROL CIRCUIT FOR AN OPEN (PCM SIDE) 
    CAUTION:

    Do not probe the PCM harness connectors. Probing the PCM harness connectors will damage the PCM terminals resulting in poor terminal to pin connection. Install the GPEC Diagnostic Adaptor to perform the diagnosis.

    1. Connect the (special tool #10436, Adapter, GPEC Diagnostic).
    2. Measure the resistance of the (K451) MDS Solenoid 1 Control circuit from the MDS in-line harness connector to the GPEC Adaptor.

      Is the resistance below 5.0 Ohms?

      Yes 

      No 

      • Repair the open in the (K451) MDS Solenoid 1 Control circuit between the MDS in-line harness connector and the PCM C2 harness connector.
      • Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
  10. MDS SOLENOID 1 
    Fig 2: View Of MDS Solenoids
    GC0094374Courtesy of CHRYSLER GROUP, LLC
    1. Turn the ignition off.
    2. Remove the Intake Manifold in accordance with the service information. Refer to SOLENOID, MULTIPLE DISPLACEMENT, REMOVAL .
    3. Reconnect the PCM C2 harness connector.
    4. Turn the ignition on.
    5. With the scan tool actuate the MDS Solenoid 1.

      Can you feel and hear the Solenoid Actuating?

      Yes 

      • Go To  11

      No 

      • Remove the Solenoid (1) and check for any debris that may be blocking the oil passages (3) to the Solenoid. If the passages are clogged, clean the passages and replace the MDS Solenoid 1. If the passages are not clogged with debris, replace the MDS Solenoid 1.
      • Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
  11. OIL PASSAGES RESTRICTED 
    1. Turn the ignition off.
    2. Remove both Solenoids on Bank 1 of the engine block.
    3. Remove the Bank 1 Cylinder Head in accordance with the service information.
    4. Remove the lifters from the left engine bank.
    5. Inspect the oil passages to the Solenoids and from the Solenoids to the lifters.

      Are the passages blocked?

      Yes 

      • Clean the oil passages as necessary. If the entire engine is restricted disassembly of the entire engine block may be necessary.

      No 

      • Replace both sets of lifters if no other possible causes remain.
scientia non olet · About LEMON Manuals