Active Test 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.

Test item	Condition	Judgment	Check item (Remedy)
DPF Regeneration	Engine: Running Self-directed test once selection is made in CONSULT.	Increases RPM and cleans up the after treatment system.	Performance of the after treatment system.
DPF System Leak Test	Ignition switch: ON DPF pump is energized while the tank pressure sensor is monitored.	Determines whether there is a leak by means of checking the pressure drop.	DPF system is checked for leaks.
DPF Dosing Unit Override Test	Ignition switch: ON DPF pump and dosing valves are energized while checking the spray pattern of the dosing valve.	Dosing valve is operated.	Dosing valve spray pattern.
Fuel System Leakage Test	Engine: Running High and low fuel pump are operating while the fuel pressure sensor is monitored for any reading drop.	High pressure fuel pump is driven while stage 1 fuel pump is energized.	Fuel system is checked for leaks.
DEF Line Heater Test	Ignition switch: ON DEF line heater is energized while the temperature is monitored.	DEF line heater is operated.	DEF line heater is checked for providing heat.
DEF Tank Heater Test	Ignition switch: ON DEF tank heater is energized while the temperature is monitored.	DEF tank heater is operated.	DEF tank heater is checked for providing heat.
RTCV Hysteresis Test	Ignition switch: ON Checking the operation of the rotary turbine control valve (RTCV).	RTCV is operated.	RTCV is checked for proper operation.
Fuel Supply Pump Override Test	Ignition switch: ON Stage 1 fuel pump is energized while the fuel pressure sensor is monitored for pressure drop.	Stage 1 fuel pump is operated.	Fuel system is checked for leaks.
Cylinder Cutout Test	Engine: Running Power is suspended from the specific injector.	Injector is checked for making a difference.	Fuel injector.
Engine Fan Override Test	Engine: Running Duty cycle of fan is changed and checked.	Fan clutch is operated.	Fan clutch is checked.
Electric Fan Override Test	Ignition switch: ON Electric fan motor is commanded ON.	Electric fan motor is operated.	Electric fan motor is checked for proper operation.
HPCR Fuel Act Override	Engine: Running High pressure fuel system is energized.	Fuel pump is operated.	Fuel system and valves are checked for proper operation.
CBV position override	Engine: running Transmission must be in park.	ECM commands CBV.	CBV is checked for proper operation.
SCR performance	Engine: Running ECM: communicating.	ECM commands SCR..	SCR is checked for proper operation.
AFT particulate matter sen regen	Engine: Running at idle Coolant temperature above 80°C (176°F)	Regeneration can be started.	Verify the performance of the system post after treatment.