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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) >> Active Test

Active Test

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.

Test item

Description

ALL SEG

All LED segments illuminate.

HVAC TEST

The operation check of A/C system can be performed by selecting the mode. Refer to the following table for the conditions of each mode.

HVAC TEST 

Test item

MODE 1

MODE 2

MODE 3

MODE 4

MODE 5

Front mode door position

VENT

B/L1

D/F1

D/F2

DEF

Intake door position

REC

REC

FRE

FRE

FRE

Front air mix door position

FULL COLD

FULL COLD

FULL HOT

FULL HOT

FULL HOT

Front blower motor gate voltage

4 volts

12 volts

8 volts

8 volts

12 volts

A/C compressor (magnet clutch)

ON

ON

OFF

ON

ON

Rear blower motor control signal duty ratio

25%

59%

89%

89%

35%

NOTE: Test these items after starting the engine, and with the A/C compressor operating.