DTC Detection Logic

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.

NOTE: If DTC is displayed along with DTC U1000 or U1010, first diagnose the DTC U1000 or U1010. Refer to DTC Logic or DTC Logic .

DTC	Items (CONSULT screen terms)	Diagnostic item is detected when...	Possible cause
B2632	DR AIR MIX DOOR MOT	Air mix door PBR position 95% or more	Front air mix door motor (driver side) Front air control Harness and connector (LIN communication line is open or shorted) [Front air mix door motor (driver side) is open or shorted]
B2633	DR AIR MIX DOOR MOT	Air mix door PBR position 5% or less
B2634	PASS AIR MIX DOOR MOT	Air mix door PBR position 95% or more	Front air mix door motor (passenger side) Front air control Harness and connector (LIN communication line is open or shorted) [Front air mix door motor (passenger side) is open or shorted]
B2635	PASS AIR MIX DOOR MOT	Air mix door PBR position 5% or less
B2636	DR VENT DOOR FAIL	When the malfunctioning door position is detected at VENT position	Front mode door motor Front air control Harness and connector (LIN communication line is open or shorted) (Front mode door motor is open or shorted)
B2637	DR B/L DOOR FAIL	When the malfunctioning door position is detected at B/L position
B2638	DR D/F1 DOOR FAIL	When the malfunctioning door position is detected at FOOT position
B2639	DR DEF DOOR FAIL	When the malfunctioning door position is detected at DEF position
B2654	D/F2 DOOR FAIL	When the malfunctioning door position is detected at D/F position
B263D	FRE DOOR FAIL	When the malfunctioning intake door position is detected at FRE position	Intake door motor Front air control Harness and connector (LIN communication line is open or shorted) (Intake door motor is open or shorted)
B263E	20% FRE DOOR FAIL	When the malfunctioning intake door position is detected at REC position
B263F	REC DOOR FAIL	When the malfunctioning intake door position is detected at REC position