Diagnostic Test
- CHECK FOR AN ACTIVE DTC NOTE:
Diagnose any Misfire DTCs before continuing.
- Turn the ignition on.
- With the scan tool, read DTCs and record on the repair order.
Is the DTC active or pending?
Yes
- Go To 2
No
- Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to INTERMITTENT CONDITION .
- CHECKING THE MDS SOLENOID CONTROL CIRCUIT BETWEEN THE C101 INLINE HARNESS CONNECTOR AND THE PCM NOTE:
The DTC must not be active for the actuator test to operate properly, clear all DTC before continuing.
- Turn the ignition off.
- Disconnect the C101 harness connector.
- Using a 12-volt test light, jumper from the Ground circuit and the (K452) MDS Solenoid 4 Control circuit in the C101 harness connector (PCM side).
- Turn the ignition on.
- With the scan tool, actuate the MDS Solenoid 4.
Does the 12-volt test light flash on and off?
Yes
- Go To 3
No
- Go To 4
- CHECK THE MDS SOLENOID RESISTANCE
- Turn the ignition off.
- Measure the resistance between the Ground circuit and the (K452) MDS Solenoid 4 Control circuit in the C101 harness connector (MDS side).NOTE:
It is important to follow the below temp/resistance values to insure an accurate reading.
MDS SOLENOID RESISTANCE TEMPERATURE VALUE RESISTANCE - MINIMUM RESISTANCE - MAXIMUM -18° C (0° F) 7.22 ? 8.12 ? 0° C (32° F) 7.92 ? 8.82 ? 20° C (68° F) 8.72 ? 9.62 ? 38° C (100° F) 9.42 ? 10.32 ? 66° C (150° F) 10.62 ? 11.52 ? 93° C (200° F) 11.82 ? 12.72 ? 121° C (250° F) 12.82 ? 13.72 ? 149° C (300° F) 14.02 ? 14.92 ? Is the resistance within an acceptable range?
Yes
- Go To 12
No
- Go To 8
- GROUND CIRCUIT OPEN (PCM SIDE)
- Turn the ignition off.
- Using a 12-volt test light connected to the 12 volts, probe the Ground circuit in the C101 harness connector (PCM side).
Does the test light illuminate brightly?
Yes
- Go To 5
No
- Repair the Ground circuit for an open.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
- CHECK THE (K452) MDS SOLENOID 4 CONTROL CIRCUIT FOR A SHORT TO BATTERY (PCM SIDE)
- Disconnect the PCM C1 harness connector.
- Turn the ignition on.
- Measure the voltage on the (K452) MDS Solenoid 4 Control circuit in the C101 harness connector.
Does the voltmeter indicate voltage present?
Yes
- Repair the short to battery voltage in the (K452) MDS Solenoid 4 Control circuit between the PCM harness connector and C101 harness connector.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
No
- Go To 6
- CHECK THE (K452) MDS SOLENOID 4 CONTROL CIRCUIT FOR A SHORT TO GROUND (PCM SIDE)
- Turn the ignition off.
- Check for continuity between ground and the (K452) MDS Solenoid 4 Control circuit in the C101 harness connector.
Is there continuity between ground and the (K452) MDS Solenoid 4 Control circuit?
Yes
- Repair the (K452) MDS Solenoid 4 Control circuit for a short to ground between the PCM harness connector and the C101 harness connector.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
No
- Go To 7
- CHECK THE (K452) MDS SOLENOID 4 CONTROL CIRCUIT FOR AN OPEN (PCM SIDE)
- Measure the resistance of the (K452) MDS Solenoid 4 Control circuit from the C101 harness connector to the PCM C2 harness connector.
Is the resistance below 3.0 Ohms?
Yes
- Replace and program the Powertrain Control Module in accordance with the Service Information. Refer to MODULE, POWERTRAIN CONTROL, REMOVAL .
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
No
- Repair the (K452) MDS Solenoid 4 Control circuit for an open or high resistance between the C101 harness connector and the PCM harness connector.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
- Measure the resistance of the (K452) MDS Solenoid 4 Control circuit from the C101 harness connector to the PCM C2 harness connector.
- CHECK THE GROUND CIRCUIT FOR AN OPEN (MDS SIDE)
- Turn the ignition off.
- Gain access to the MDS Solenoid. Refer to SOLENOID, MULTIPLE DISPLACEMENT, REMOVAL .
- Disconnect the MDS harness connector.
- Measure the resistance of the Ground circuit between the C101 harness connector and the MDS harness connector.
Is the resistance below 3.0 Ohms?
Yes
- Go To 9
No
- Repair the Ground circuit for an open or high resistance.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
- CHECK THE (K452) MDS SOLENOID 4 CONTROL CIRCUIT FOR A SHORT TO BATTERY (MDS SIDE)
- Turn the ignition on.
- Measure the voltage on the (K452) MDS Solenoid 4 Control circuit in the MDS Solenoid 4 harness connector.
Does the voltmeter indicate voltage present?
Yes
- Repair the (K452) MDS Solenoid 4 Control circuit for a short to battery voltage between the C101 harness connector and the MDS connector.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
No
- Go To 10
- CHECK THE (K452) MDS SOLENOID 4 CONTROL CIRCUIT FOR A SHORT TO GROUND (MDS SIDE)
- Turn the ignition off.
- Check for continuity between ground and the (K452) MDS Solenoid 4 Control circuit in the MDS Solenoid 4 harness connector.
Is there continuity between ground and the (K452) MDS Solenoid 4 Control circuit?
Yes
- Repair the (K452) MDS Solenoid 4 Control circuit for a short to ground between the C101 harness connector and the MDS harness connector.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
No
- Go To 11
- CHECK THE (K452) MDS SOLENOID 4 CONTROL CIRCUIT FOR AN OPEN (MDS SIDE)
- Measure the resistance of the (K452) MDS Solenoid 4 Control circuit from the MDS Solenoid 4 harness connector to the C101 harness connector (MDS side).
Is the resistance below 3.0 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 (K452) MDS Solenoid 4 Control circuit between the C101 harness connector and the MDS harness connector.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
- Measure the resistance of the (K452) MDS Solenoid 4 Control circuit from the MDS Solenoid 4 harness connector to the C101 harness connector (MDS side).
- CHECKING HARNESS CONNECTOR C101 AND GROUND CONNECTION
- Inspect the C101 harness connector.
- Make sure the Ground terminal and Control terminal are fastened securely into the connector and there are no signs of corrosion or damage.
- Check wiring to terminal connection. Look for an internal broken wire under the insulation.
- 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 .