Work Support Mode

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.

Work Item

Work item	Description	Usage
Reset fuel consumption short term log	In this mode, VIN is registered in ECM.	When registering VIN in ECM.
AFT maintenance	In this mode, after treatment maintenance is performed.	The amount of particulate matter in DPF reaches a high level.
Reset fuel and timing learn tables	In this mode, physical characteristics of replaced component are matched with a preset value in the ECM.	When injector is replaced. ^* When fuel rail pressure sensor is replaced. When fuel pressure relief valve is replaced. When crankshaft position sensor is replaced. ^* When camshaft position sensor is replaced.
VIN REGISTRATION	In this mode, specific vehicle build is identified.	To identify any possible build variations.
ENTER INJECTOR CODES	In this mode, fuel injector adjustment value is registered.	When ECM is replaced. ^* When fuel injector(s) is replaced.
SAVE COMPUTER DATA	In this mode, save data that is in ECM.	When ECM is replaced. ^*
WRITE SAVED DATA	In this mode, write data stored by "SAVE COMPUTER DATA" in "WORK SUPPORT" mode to ECM.	When ECM is replaced. ^*
RTCV actuator calibrate	In this mode, the rotary turbine control valve (RTCV) end limits are learned.	When the RTCV is disconnected or replaced.
Engine serial number	In this mode, engine serial number is learned.	To identify engine specific components.

*: The necessary operation is different depending on the operation result of ECM data save or write. Always perform the operation according to procedures. Refer to Description .