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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 508 (Manual Air Conditioner) >> System Description >> Diagnosis System (HVAC) >> CONSULT Function (HVAC) >> Self-Diagnosis

CONSULT Function (HVAC): Self-Diagnosis

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.

Display Item List 

DTC

Description

Reference

B257B

Ambient sensor circuit short

Diagnosis Procedure

B257C

Ambient sensor circuit open

Diagnosis Procedure

B2581

Intake sensor circuit short

Diagnosis Procedure

B2582

Intake sensor circuit open

Diagnosis Procedure

B2632

Air mix door motor circuit short

Diagnosis Procedure

B2633

Air mix door motor circuit open

Diagnosis Procedure

B2636

VENT door position error

Diagnosis Procedure

B2637

B/L door position error

Diagnosis Procedure

B2638

D/F1 door position error

Diagnosis Procedure

B2639

DEF door position error

Diagnosis Procedure

B2654

D/F2 door position error

Diagnosis Procedure

B263D

FRE door position error

Diagnosis Procedure

B263F

REC door position error

Diagnosis Procedure

B27B0

EEPROM reading error

Diagnosis Procedure

U1000

CAN bus fault

Diagnosis Procedure

U1010

Control unit (CAN)

Diagnosis Procedure

If codes B2632, B2633, B2636, B2637, B2638, B2639, B2654, B263D, and B263F are displayed at the same time, refer to DTC Description .