Diagnostic Test
WARNING: This page is about a different car, the 2014 RAM 1500. However, it is still accessible from the selected car via links, so may be relevant.
- DTC IS ACTIVE NOTE:
If there are any other Fuel Injector DTCs present, perform the Diagnostics for those DTCs before continuing with this one.
- Ignition on, engine not running.
- With the scan tool, erase DTCs in the Powertrain Control Module (PCM).
- Start the engine and allow it to reach normal operating temperature.
- With the scan tool, select View DTCs.
Is the status Active for this DTC?
Yes
- Go To 2
No
- Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to INTERMITTENT DTC .
- CHECK THE FUEL INJECTOR CONTROL CIRCUITS FOR A SHORT TO VOLTAGE
- Turn the ignition off.
- Disconnect the Fuel Injector 4, 5, & 6 harness connectors.
- Disconnect the PCM C2 harness connector.
- Remove the ASD Relay from the PDC.
- Connect a jumper wire between cavity 30 and cavity 87 of the ASD Relay connector.
- Turn the ignition on.
- Measure the voltage of each Fuel Injector High-Side Control circuit (for Injectors 4, 5, & 6).
Is the voltage at or above Battery voltage for any of the measurements?
Yes
- Repair the appropriate Fuel Injector Control circuit for a short to voltage.
- Perform the PCM VERIFICATION TEST. Refer to PCM VERIFICATION TEST .
No
- Go To 3
- FUEL INJECTORS/BANK 2
- Turn the ignition off.
- Replace Fuel Injectors 4, 5, and 6 in accordance with the service information.
- Turn the ignition on.
- With the scan tool, erase PCM DTCs.
- Start the engine and allow to reach operating temperature.
- Test drive the vehicle during normal operating conditions.
- With the scan tool, read PCM DTCs.
Does the scan tool display this DTC?
Yes
- Replace the Powertrain Control Module in accordance with the service information. Refer to REMOVAL .
- Perform the PCM VERIFICATION TEST. Refer to PCM VERIFICATION TEST .
No
- Test complete.
- Perform the PCM VERIFICATION TEST. Refer to PCM VERIFICATION TEST .