Consult Data Monitor Reference Values

WARNING: This page is about a different car, the 2019 Nissan NV3500 HD, 2019 Nissan NV2500 HD, and 2019 Nissan NV1500. However, it is still accessible from the selected car via links, so may be relevant.

Monitor item	Condition		Value/Status
FAN REQ SIG	Engine: Running at idle after warming up	Blower fan: ON	On
FAN REQ SIG	Engine: Running at idle after warming up	Blower fan: OFF	Off
COMP REQ SIG	Blower control dial must be in any ON position	A/C switch: ON	On
COMP REQ SIG	Blower control dial must be in any ON position	A/C switch: OFF	Off
AMB TEMP SEN	Ignition switch ON	--	-22 deg.F<=>131 deg.F (-30 deg.C<=>55 deg.C)
INT TEMP SEN	Ignition switch ON	--	-22 deg.F<=>131 deg.F (-30 deg.C<=>55 deg.C)
AMB SEN CAL	Ignition switch ON	--	-22 deg.F<=>131 deg.F (-30 deg.C<=>55 deg.C)
INT TEMP CAL	Ignition switch ON	--	-22 deg.F<=>131 deg.F (-30 deg.C<=>55 deg.C)
FAN DUTY	Blower control dial must be in any ON position	Blower fan: detents 1 - 26	25% <=> 100%
FAN DUTY	Blower control dial must be in any ON position	Blower fan: OFF	0%
XM	Ignition switch ON	--	37 deg.F<=>149 deg.F (2.5 deg.C<=>65 deg.C)
RRFAN REQ SIG	Engine: Running at idle after warming up	Blower fan: ON	On
RRFAN REQ SIG	Engine: Running at idle after warming up	Blower fan: OFF	Off
RR FAN DUTY	Blower control dial must be in any ON position	Blower fan: detents 1 - 26	25% <=> 100%
RR FAN DUTY	Blower control dial must be in any ON position	Blower fan: OFF	0%
VEHICLE SPEED	Driving	--	Equivalent to speedometer reading