Nissan Armada 2025-2026 Service and Repair Manual: Normal Operating Condition

Nissan Armada 2025-2026 Service and Repair Manual / Engine / Engine Control System — Vr35ddtt / Symptom Diagnosis / Normal Operating Condition

FUEL CUT CONTROL (AT NO LOAD AND HIGH ENGINE SPEED)

If the engine speed is above 2,500 rpm under no load (for example, the shift position is neutral and engine speed is over 2,500 rpm) fuel will be cut off after some time. The exact time when the fuel is cut off varies based on engine speed.

Fuel cut will be operated until the engine speed reaches 2,000 rpm, then fuel cut will be cancelled.

NOTE:

This function is different from deceleration control listed under direct Injection gasoline System, Refer to System Description.

NORMAL OPERATION OF STOP/START SYSTEM

1. When there is no prohibition cause in "Stop / Start prohibition cause data recorder".

Stop/start system may be deactivated for driver safety and vehicle protection by cooperation with other control units as normal operation. Refer to System Description.

Check displayed items on CONSULT following the table below to confirm relation between cause of stop/start system deactivation and a customer complaint.

If "Driver operation", "S/S OFF switch ON”, "Driving pattern", "Fail-safe" are displayed in "Stop / Start prohibition cause data recorder" of “Work support” of CONSULT, investigate the cause in the table. Also, if the above four points are displayed as the main factors, please ignore the numbers displayed on the CONSULT screen.

CONSULT display		Detailed condition
Work support	Main factors	Detailed condition
Stop/Start prohibit cause data recorder	Driving pattern	Not drive the vehicle at specified speed after ignition switch ON. Not pass 5 seconds or more after engine restart. Not drive the vehicle forward at specified speed after engine restart.
	Driver operation	M/T models Shift lever position is at Neutral position and clutch pedal is not depressed. A/T models Brake pedal is not depressed.
	Stop/start OFF switch ON	Stop/start OFF switch is ON.
	Fail-safe	Fail safe of stop/start system is applied. Select "Stop / Start error" in "Monitor Menu" of "Data monitor" mode of CONSULT, and check if there is any "NG" item. Refer to CONSULT Function.
Stop/Start engine restart cause data recorder	Driving pattern	M/T models^* - Clutch pedal is slightly depressed when shift lever position is at Neutral position. - Clutch pedal is fully depressed when shift lever position is at except Neutral position. A/T models - Brake pedal is released. - Shift selector is switched from P or N position to D or R position. - Accelerator pedal is depressed. - Paddle shifter is operated when shift selector is at D, L, or M position. - Change gear position when shift selector is at M position.
	Stop/start OFF switch ON	Stop/start OFF switch is ON.
	Fail-safe	Fail safe of stop/start system is applied. Select "Stop / Start error" in "Monitor Menu" of "Data monitor" mode of CONSULT, and check if there is any "NG" item. Refer toCONSULT Function .
Stop/Start engine stall cause data recorder	Fail-safe	Fail safe of stop/start system is applied. Select "Stop / Start error" in "Monitor Menu" of "Data monitor" mode of CONSULT, and check if there is any "NG" item. Refer to CONSULT Function.
	Prevent jumping out	One of below condition is satisfied when engine is stopped and gear position is except N position without depressing clutch pedal. - Driving seat door is opened. - Driving seat belt is unfastened. - 5 minutes passes after other system requires restarting engine. M/T models Clutch pedal is released cranking.
	Hood open	Hood is opened.

*: Not applicable for this vehicle.

2. When there is a prohibition cause in the "Stop / Start prohibition cause data recorder"

Stop/start system may be deactivated for driver safety and vehicle protection by cooperation with other control units as normal operation. Refer to System Description.

Check displayed items on CONSULT following the table below to confirm relation between cause of stop/start system deactivation and a customer complaint.

If "System condition" is displayed in "Stop / Start prohibition cause data recorder" of "Work support" of CONSULT, investigate the cause in the table. Also, please check the consultation screen for the explanation of the numbers displayed on the CONSULT screen.

CONSULT display			Detailed condition
Work support	Main factors	Condition item	Detailed condition
Stop/Start prohibit cause data recorder	System condition	Hood condition	Open
		Driving seat door	Open
		Driving seat belt	Not fastened
		ABS condition	Operating NOTE: If ABS system is activated, drive the vehicle at 12 km/h (7.5 MPH) or more after stop the vehicle.
		VDC condition	Brake control system prohibits stop/start system operation.
		Negative pressure cond^*	Below specified pressure
		AC cond	Air conditioner system prohibits stop/start system operation.
		Power supply cond	Power supply system prohibits stop/start system operation. The battery is depleted. Insufficient battery charge. Check whether use battery designed for stop/start system. Refer to Battery.
		IPA condition^*	Operating
		ProPILOT condition	ProPILOT system prohibits stop/start system operation.
		ABH condition	Automatic brake hold system prohibits stop/start system operation.(Brake fluid pressure is insufficient.)
		I-KEY condition	Intelligent key is outside vehicle.
		4WD mode	4WD mode is selected.
		Delivery mode	ON NOTE: No activation in market
		Continuous times	Starter becomes hot due to continuous operation.
		ST RLY OFF exp	Starter relay which is connected to BCM is not turned off after engine restart.
		DC/DC temp cond^*	CVT models Above specified temperature.
		Neutral SW OFF exp^*	M/T models Neutral switch is not turned off after engine restart.
		ENG/TM condition	Engine or transmission conditions are not satisfied.
		ST RLY condition	Starter relay which is connected to BCM is turned on.
		Steering condition	Steering wheel maneuver.
		Slope condition	Above specified degrees
		Brake fluid pressure	Above specified pressure
		Automatic emergency braking^*	Automatic emergency braking system prohibits stop/start system operation.
		TOW mode	"TOW" mode is selected as the drive mode.
		Drive mode	—
Stop/Star engine restart cause data recorder	System condition	VDC condition	Brake control system requires restarting engine.
		Negative pressure cond^*	Below specified pressure.
		AC cond	Air conditioner requires restarting engine.
		Power supply cond	Power supply system requires restarting engine.
		IPA condition^*	Operating
		ProPILOT condition	ProPILOT system requires restarting engine.
		ABH condition	Automatic brake hold system requires restarting engine.
		I-KEY condition	Intelligent key is outside vehicle.
		Vehicle speed cond	Above specified speed.
		ENG/TM condition	Engine or transmission are satisfied.
		Steering condition	A/T models Steering wheel maneuver.
		DC/DC temp cond^*	CVT models Above specified temperature.
		Driving seat door	Open
		Driving seat belt	Unfastened
		Automatic emergency braking^*	Automatic emergency braking system prohibits stop/start system operation.
		TOW mode	"TOW" mode is selected as the drive mode.
		Drive mode	—

*: Not applicable for this vehicle.

Symptom Table

SYSTEM — BASIC ENGINE CONTROL SYSTEM SYMPTOM Reference page HARD/NO START/RESTART (EXCP. HA) ENGINE STALL HESITATION/SURGING/FLAT SPOT SPARK KNOCK/DETONATION LACK OF POWER/POOR ACCELERATION ...

Does Not Restart After the Stop/start System Is Activated

...

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