Diagnostic Test
- ACTIVE DTC
- Attempt to start the vehicle.WARNING:
When the engine is operating, do not stand in direct line with the fan. Do not put your hand near the pulleys, belts, or fan. Do not wear loose clothing. Failure to follow these instructions can result in possible serious or fatal injury.
- Using the scan tool, select View DTCs.
Is the status Active for this DTC?
Yes
- Go To 2.
No
- Go To 7.
- Attempt to start the vehicle.
- NO COMMUNICATION WITH WIN NOTE:
For vehicle communication problems, use the scan tool to refer to the Network Review Screen. The screen depicts a high level view of the vehicle network. Fault and problem areas appear in red. Selecting any of the network components allows access to the source of the problem.
- Using the scan tool, attempt to communicate with the WIN.
Can the scan tool communicate with the WIN?
Yes
- Go To 3.
No
- Perform the No Response from WIN diagnostic procedure. Refer to NO RESPONSE FROM WIN (WIRELESS IGNITION NODE) .
- Using the scan tool, attempt to communicate with the WIN.
- TROUBLE CODES SET IN THE WIN
- Using the scan tool, check for WIN DTCs.
Are any DTCs present in the WIN ?
Yes
- Perform the appropriate diagnostic procedure. Refer to DIAGNOSTIC CODE INDEX .
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
No
- Go To 4.
- Using the scan tool, check for WIN DTCs.
- VIN PROGRAMMED INTO PCM
- Using the scan tool, display the VIN that is programmed in the PCM.
Has the correct VIN been programmed into the PCM?
Yes
- Go To 5.
No
- Program the correct VIN into the PCM and retest.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
- Using the scan tool, display the VIN that is programmed in the PCM.
- WIRELESS IGNITION NODE (WIN)
- Turn the ignition off.
- Replace and program the WIN in accordance with the Service Information.
- Turn the ignition on.
- Using the scan tool, erase all WIN and PCM DTCs.
- Attempt to start the engine.
- Using the scan tool, select View DTCs.
Is the status Active for this DTC?
Yes
- Go To 6.
No
- Test complete.
- POWERTRAIN CONTROL MODULE (PCM)
- Using the wiring diagram/schematic as a guide, inspect the wiring and connectors between the WIN and the PCM.
- Look for any chafed, pierced, pinched or partially broken wires.
- Look for broken, bent, pushed out or corroded terminals.
- Refer to any Technical Service Bulletins that may apply.
Were any problems found?
Yes
- Repair as necessary.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
No
- Replace and program the Powertrain Control Module (PCM) in accordance with the Service Information.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
- IGNITION KEY NOTE:
This DTC could have been set if the WIN harness connector was disconnected or if the WIN was replaced recently.
NOTE:All of the ignition keys for this vehicle must be tested to verify proper operation.
NOTE:If this DTC does not reset, it may have been an actual theft attempt.
- Turn the ignition on.
- Verify that the correct VIN is programmed into the PCM and WIN.
- Turn the ignition off.
- Using each vehicle key, turn the ignition on and start the engine.
- Using the scan tool, View DTCs for each key.
Is the status Active for this DTC?
Yes
- Replace the ignition key.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
No
- Test Complete.