Diagnostic Test

WARNING: This page is about a different car, the 2010 Dodge Charger and 2010 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.

ACTIVE DIAGNOSTIC TROUBLE CODE (DTC)
NOTE: Diagnose any Misfire DTCs before continuing.
1. Ignition on, engine not running.
2. With a scan tool, read the DTCs.
  Is the DTC active at this time?
  
  Yes
  - Go to step 2
  No
  - Perform the CHECKING FOR AN INTERMITTENT DTC diagnostic procedure. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure .
CHECKING PCM CONTROL SIDE FOR THE MDS SOLENOID
NOTE: The DTC must not be active for the actuator test to operate properly, clear all DTC before continuing.

Fig 1: Checking PCM Control Circuit For MDS Solenoid No. 4
Courtesy of CHRYSLER LLC
1. Turn the ignition off.
2. Disconnect the C100 harness connector.
3. Using a 12-volt test light, jumper from the (Z904) Ground circuit and the (K452) MDS Solenoid No. 4 Control circuit in the C100 harness connector (PCM side).
4. Turn the ignition on.
5. Using the scan tool, actuate the MDS Solenoid No. 4.
  Does the 12-volt test light flash on and off?
  
  Yes
  - Go to step 3
  No
  - Go to step 4

MDS SOLENOID RESISTANCE

Fig 2: CHECKING MDS SOLENOID RESISTANCE

Courtesy of CHRYSLER LLC

Turn the ignition off.
Measure the resistance between the (Z904) Ground circuit and the (K452) MDS Solenoid No. 4 Control circuit in the C100 harness connector (MDS side).
NOTE: It is important to follow the below temp/resistance values to insure an accurate reading.

Is the resistance within an acceptable range?

Yes
- Go to step 12
No
- Go to step 8

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

(Z904) GROUND CIRCUIT OPEN (PCM SIDE)

Fig 3: CHECKING GROUND CIRCUIT FOR OPEN (PCM SIDE)
Courtesy of CHRYSLER LLC
1. Turn the ignition off.
2. Using a 12-volt test light connected to the 12-volts, probe the (Z904) Ground circuit in the C100 harness connector (PCM side).
  Does the test light illuminate brightly?
  
  Yes
  - Go to step 5
  No
  - Repair the open in the (Z904) Ground circuit.
  - Perform the PCM VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure .
(K452) MDS SOLENOID NO. 4 CONTROL CIRCUIT SHORTED TO BATTERY VOLTAGE (PCM SIDE)

Fig 4: CHECKING MDS SOLENOID NO. 4 CONTROL CIRCUIT FOR SHORT TO BATTERY VOLTAGE (PCM SIDE)
Courtesy of CHRYSLER LLC
1. Disconnect the PCM C1 harness connector.
2. Ignition on, engine not running.
3. Measure the voltage on the (K452) MDS Solenoid No. 4 Control circuit in the C100 harness connector.
  Does the Voltmeter indicate voltage present?
  
  Yes
  - Repair the short to battery voltage in the (K452) MDS Solenoid No. 4 Control circuit between the PCM harness connector and C100 harness connector.
  - Perform the PCM VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure .
  No
  - Go to step 10
(K452) MDS SOLENOID NO. 4 CONTROL CIRCUIT SHORTED TO GROUND (PCM SIDE)

Fig 5: CHECKING MDS SOLENOID NO. 4 CONTROL CIRCUIT FOR SHORT TO GROUND (PCM SIDE)
Courtesy of CHRYSLER LLC
1. Turn the ignition off.
2. Measure the resistance between ground and the (K452) MDS Solenoid No. 4 Control circuit in the C100 harness connector.
  Is the resistance below 100 Ohms?
  
  Yes
  - Repair the short to ground in the (K452) MDS Solenoid No. 4 Control circuit between the PCM harness connector and the C100 harness connector.
  - Perform the PCM VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure .
  No
  - Go to step 7
(K452) MDS SOLENOID NO. 4 CONTROL CIRCUIT OPEN (PCM SIDE)

Fig 6: CHECKING MDS SOLENOID NO. 4 CONTROL CIRCUIT FOR OPEN (PCM SIDE)
Courtesy of CHRYSLER LLC

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 PCM Pinout Box 8815 to perform diagnosis.
1. Measure the resistance of the (K452) MDS Solenoid No. 4 Control circuit from the C100 harness connector to the appropriate terminal of PCM Pinout Box 8815.
  Is the resistance below 5.0 Ohms?
  
  Yes
  - Replace and program the Powertrain Control Module in accordance with the service information.
  - Perform the PCM VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure .
  No
  - Repair the open in the (K452) MDS Solenoid No. 4 Control circuit between the C100 harness connector and the PCM harness connector.
  - Perform the PCM VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure .
(Z904) GROUND CIRCUIT OPEN (MDS SIDE)

Fig 7: CHECKING GROUND CIRCUIT FOR OPEN (MDS SIDE)
Courtesy of CHRYSLER LLC
1. Turn the ignition off.
2. Gain access to the MDS Solenoid.
3. Disconnect the MDS harness connector.
4. Measure the resistance of the (Z904) Ground Circuit between the C100 harness connector and the MDS harness connector.
  Is the resistance below 5.0 Ohms?
  
  Yes
  - Go to step 9
  No
  - Repair the open in the (Z904) Ground circuit.
  - Perform the PCM VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure .
(K452) MDS SOLENOID NO. 4 CONTROL CIRCUIT SHORTED TO BATTERY VOLTAGE (MDS SIDE)

Fig 8: CHECKING MDS SOLENOID NO. 4 CONTROL CIRCUIT FOR SHORT TO BATTERY VOLTAGE (MDS SIDE)
Courtesy of CHRYSLER LLC
1. Ignition on, engine not running.
2. Measure the voltage on the (K452) MDS Solenoid No. 4 Control circuit in the MDS Solenoid No. 4 connector.
  Does the Voltmeter indicate voltage present?
  
  Yes
  - Repair the short to battery voltage in the (K452) MDS Solenoid No. 4 Control circuit between the C100 harness connector and the MDS connector.
  - Perform the PCM VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure .
  No
  - Go to step 10
(K452) MDS SOLENOID NO. 4 CONTROL CIRCUIT SHORTED TO GROUND (MDS SIDE)

Fig 9: CHECKING MDS SOLENOID NO. 4 CONTROL CIRCUIT FOR SHORT TO GROUND (MDS SIDE)
Courtesy of CHRYSLER LLC
1. Turn the ignition off.
2. Measure the resistance between ground and the (K452) MDS Solenoid No. 4 Control circuit in the MDS Solenoid No. 4 harness connector.
  Is the resistance below 100 Ohms?
  
  Yes
  - Repair the short to ground in the (K452) MDS Solenoid No. 4 Control circuit between the C100 harness connector and the MDS harness connector.
  - Perform the PCM VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure .
  No
  - Go to step 11
(K452) MDS SOLENOID NO. 4 CONTROL CIRCUIT OPEN (MDS SIDE)

Fig 10: CHECKING MDS SOLENOID NO. 4 CONTROL CIRCUIT FOR OPEN (MDS SIDE)
Courtesy of CHRYSLER LLC
1. Measure the resistance of the (K452) MDS Solenoid No. 4 Control circuit from the MDS Solenoid No. 4 harness connector to C100 harness connector.
  Is the resistance below 5.0 Ohms?
  
  Yes
  - Replace the MDS Solenoid in accordance with the Service Information.
  - Perform the PCM VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure .
  No
  - Repair the open in the (K452) MDS Solenoid No. 4 Control circuit between the C100 harness connector and the MDS harness connector.
  - Perform the PCM VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure .
CHECKING HARNESS CONNECTOR C101 AND GROUND CONNECTION G102

Fig 11: INSPECTING HARNESS CONNECTOR AND GROUND CONNECTION
Courtesy of CHRYSLER LLC
1. Inspect the C101 harness connector.
2. Make sure the Ground terminal and Control terminal are fastened securely into the connector and there are no signs of corrosion or damage.
3. Check wiring to terminal connection. Look for an internal broken wire under the insulation.
4. Inspect the G102 Ground for a tight, clean connection.
  Were any problems found?
  
  Yes
  - Repair as necessary.
  - Perform the PCM VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure .
  No
  - Perform the CHECKING FOR AN INTERMITTENT DTC diagnostic procedure. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure .