Diagnostic Test
WARNING: This page is about a different variant/trim than selected.
- CHECK FOR AN ACTIVE DTC
- 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 .
- CHECK FOR OTHER DTCS
- CHECK THE (F342) FUSED ASD RELAY OUTPUT CIRCUIT FOR A SHORT TO GROUND
- Turn the ignition off.
- Remove the ASD Relay from the Power Distribution Center (PDC).
- Disconnect the Wastegate Solenoid 2 harness connector.
- Check for continuity between ground and the (F342) Fused ASD Relay Output circuit at the Wastegate Solenoid 2 harness connector.
Is there continuity between ground and the (F342) Fused ASD Relay Output circuit?
Yes
- Repair the (F342) Fused ASD Relay Output circuit for a short to ground.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
No
- Go To 4
- CHECK THE (K138) WASTEGATE SOLENOID 2 CONTROL CIRCUIT FOR A SHORT TO GROUND
- Disconnect the PCM-2 C1 harness connector.
- Check for continuity between ground and the (K138) Wastegate Solenoid 2 Control circuit at the Wastegate Solenoid 2 harness connector.
Is there continuity between ground and the (K138) Wastegate Solenoid 2 Control circuit?
Yes
- Repair the (K138) Wastegate Solenoid 2 Control circuit for a short to ground.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
No
- Go To 5
- CHECK THE WASTEGATE SOLENOID 2 FOR PROPER OPERATION
- Reconnect the PCM-2 C1 harness connector.
- Turn the ignition on.
- With the scan tool, read DTCs.NOTE:
The scan tool should display the P0247-TURBOCHARGER-SUPERCHARGER WASTEGATE CONTROL CIRCUIT 2 DTC as active or pending with the Wastegate Solenoid 2 harness connector unplugged.
Is the DTC displayed as described above?
Yes
- Replace the Wastegate Solenoid 2 in accordance with the Service Information.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
No
- Go To 6
- CHECK RELATED HARNESS CONNECTIONS
- Disconnect all PCM-2 harness connectors.
- Disconnect all related in-line harness connections (if equipped).
- Disconnect the related component harness connectors.
- Inspect harness connectors, component connectors, and all male and female terminals for the following conditions:
- Proper connector installation.
- Damaged connector locks.
- Corrosion.
- Other signs of water intrusion.
- Weather seal damage (if equipped).
- Bent terminals.
- Overheating due to a poor connection (terminal may be discolored due to excessive current draw).
- Terminals that have been pushed back into the connector cavity.
- Check for spread terminals and verify proper terminal tension.
Repair any conditions that are found.
- Connect all PCM-2 harness connectors. Be certain that all harness connectors are fully seated and the connector locks are fully engaged.
- Connect all in-line harness connectors (if equipped). Be certain that all connectors are fully seated and the connector locks are fully engaged.
- Connect all related component harness connectors. Be certain that all connectors are fully seated and the connector locks are fully engaged.
- With the scan tool, erase DTCs.
- Test drive or operate the vehicle in accordance with the when monitored and set conditions.
- With the scan tool, read DTCs.
Did the DTC return?
Yes
- Replace and program the Powertrain Control Module 2 (PCM-2) in accordance with the Service Information. Refer to MODULE, POWERTRAIN CONTROL (PCM), REMOVAL AND INSTALLATION .
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
No
- The wiring or poor connection problem has been repaired.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .