Diagnostic Test

1. With the scan tool, read DTCs in all Electronic Control Units (ECUs) and record on the repair order.
2. For future reference, with the scan tool, run and save a vehicle Scan Report and all related recorded data.
3. With the scan tool, erase all DTCs.
4. Turn the ignition off for a minimum of 10.0 seconds.
5. Turn the ignition on.
6. Using the When Monitored and Set Conditions above and recorded data, operate the vehicle in the conditions that set the DTC.
7. With the scan tool, read DTCs.

Did the DTC return?

Yes 

• Go To  2

No 

• Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to INTERMITTENT CONDITION .

1. Refer to the recorded DTCs.

   Are there any Engine Misfire DTCs active or pending?

   Yes 

   • Perform the applicable diagnostic procedure(s). Refer to DIAGNOSTIC CODE INDEX .

   No 

   • Go To  3

1. Turn the ignition off.
2. Disconnect the in-line harness connector.
3. Using a 12-volt test light, jumper from the Ground circuit and the MDS Solenoid 6 (K453) Control circuit in the in-line harness connector (PCM side).
4. Turn the ignition on.
5. Using the scan tool, actuate the MDS Solenoid 6.

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

   Yes 

   • Go To  4

   No 

   • Go To  5

1. Turn the ignition off.
2. Measure the resistance between the Ground circuit and the MDS Solenoid 6 (K453) Control circuit in the in-line harness connector (MDS side).
   NOTE:

   The normal resistance value will be between 8.0 and 25.0 Ohms based on temperature.

   What is the measured the resistance?

   Under 8.0 Ohms 

   • Go To  14

   8.0 to 25.0 Ohms 

   • Go To  13

   Over 25.0 Ohms 

   • Go To  9

1. Turn the ignition off.
2. Using a 12-volt test light connected to the 12-volts, probe the Ground circuit in the in-line harness connector (PCM side).

   Does the test light illuminate brightly?

   Yes 

   • Go To  6

   No 

   • Repair the open in the Ground circuit.
   • Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .

1. Disconnect the PCM C2 harness connector.
2. Ignition on, engine not running.
3. Measure the voltage on the MDS Solenoid 6 (K453) Control circuit in the in-line harness connector.

   Does the Voltmeter indicate voltage present?

   Yes 

   • Repair the short to battery voltage in the MDS Solenoid 6 (K453) Control circuit between the PCM harness connector and in-line harness connector.
   • Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .

   No 

   • Go To  11

1. Turn the ignition off.
2. Measure the resistance between ground and the MDS Solenoid 6 (K453) Control circuit in the in-line harness connector.

   Is the resistance below 100 Ohms?

   Yes 

   • Repair the short to ground in the MDS Solenoid 6 (K453) Control circuit between the PCM harness connector and the in-line harness connector.
   • Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .

   No 

   • Go To  8

1. Measure the resistance of the MDS Solenoid 6 (K453) Control circuit from the in-line harness connector to the PCM C2 harness connector.

   Is the resistance below 5.0 Ohms?

   Yes 

   • Replace and program the Powertrain Control Module in accordance with the service information. Refer to MODULE, POWERTRAIN CONTROL (PCM), REMOVAL .
   • Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .

   No 

   • Repair the open in the MDS Solenoid 6 (K453) Control circuit between the in-line harness connector and the PCM harness connector.
   • Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .

1. Turn the ignition off.
2. Gain access to the MDS Solenoid. Refer to SOLENOID, MULTIPLE DISPLACEMENT, REMOVAL .
3. Disconnect the MDS harness connector.
4. Measure the resistance of the Ground circuit between the in-line harness connector and the MDS harness connector.

   Is the resistance below 5.0 Ohms?

   Yes 

   • Go To  10

   No 

   • Repair the open in the Ground circuit.
   • Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .

1. Ignition on, engine not running.
2. Measure the voltage on the MDS Solenoid 6 (K453) Control circuit in the MDS Solenoid 6 connector.

   Does the Voltmeter indicate voltage present?

   Yes 

   • Repair the short to battery voltage in the MDS Solenoid 6 (K453) Control circuit between the in-line harness connector and the MDS connector.
   • Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .

   No 

   • Go To  11

1. Turn the ignition off.
2. Measure the resistance between ground and the MDS Solenoid 6 (K453) Control circuit in the MDS Solenoid 6 harness connector.

   Is the resistance below 100 Ohms?

   Yes 

   • Repair the short to ground in the MDS Solenoid 6 (K453) Control circuit between the in-line harness connector and the MDS harness connector.
   • Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .

   No 

   • Go To  12

1. Measure the resistance of the MDS Solenoid 6 (K453) Control circuit from the MDS Solenoid 6 harness connector to in-line harness connector.

   Is the resistance below 5.0 Ohms?

   Yes 

   • Replace the MDS Solenoid in accordance with the Service Information. Refer to SOLENOID, MULTIPLE DISPLACEMENT, REMOVAL .
   • Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .

   No 

   • Repair the open in the MDS Solenoid 6 (K453) Control circuit between the in-line harness connector and the MDS harness connector.
   • Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .

1. Inspect the in-line harness connector.
2. Make sure the Ground terminal is 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 Ground for a tight, clean connection.

   Were any problems found?

   Yes 

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

   No 

   • Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to INTERMITTENT CONDITION .

1. The ignition must be off when checking a circuit for continuity to ground.
2. Isolate the circuit by disconnecting the Electronic Control Unit (ECU) and every component harness connector containing the circuit being tested. Note:  Use the wiring diagram as a guide to follow the path of the circuit.
3. Connect the negative lead of the DVOM to a known good ground.
4. With the positive lead of the DVOM, probe the circuit being tested at the component harness connector and check for continuity between the circuit and ground.

Is there continuity between ground and the circuit being tested?

Yes 

• Repair the circuit for a short to ground. Use the wiring diagram as a guide to trace the circuit and look for any in-line connectors to help isolate the location of the short.
• Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .

No 

• Replace the MDS Solenoid in accordance with the Service Information. Refer to SOLENOID, MULTIPLE DISPLACEMENT, REMOVAL .
• Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .