Inspection Before Removal
WARNING: This page is about a different car, the 2018 Nissan Titan XD. However, it is still accessible from the selected car via links, so may be relevant.
- Turn the ignition switch to the ON position while monitoring the malfunction indicator lamps (MIL). The malfunction indicator lamps (MIL) must illuminate for 2 to 3 seconds.NOTE: If the lamps do not illuminate, check for burned out bulbs.
- Before removing the Engine Control Module (ECM) from the vehicle, note the injector trim codes and match them to the correct cylinder number. Failure to do so could result in DTCs or could negatively affect engine performance. Refer to the following procedure to identify the cylinder number for each bank. Refer to Work ProcedureCAUTION: To avoid possible engine performance issues, confirm injector trim codes match the correct cylinder number.
- Press the key switch button to the OFF position.
- Connect CONSULT to the vehicle data link.
- Turn the ignition switch to the ON position.
- Select the monitor mode on CONSULT. The electronic service tool must be able to communicate with the ECM.
- Record the engine serial number and the injector trim codes before removing the ECM. The engine serial number is located on the engine detectable on the front of the intake manifold.
- The injector trim codes are a 7-digit alphanumeric code that can be found printed on the injector head or can be accessed with the electronic service tool under "High Pressure Common Rail Injector Setup".