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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 47 (Automatic Air Conditioning Control System) >> System Description >> Diagnosis System (A/C Auto Amp.) >> CONSULT Function (HVAC) >> Active Test

Active Test

WARNING: This page is about a different car, the 2018 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.

Test item

Description

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

MODE 6

MODE 7

Mode door position

VENT

VENT

B/L

D/F1

D/F2

DEF

DEF

Intake door position

REC

REC

20%FRE

FRE

FRE

FRE

FRE

Air mix door position

FULL COLD

FULL COLD

FULL COLD

FULL HOT

FULL HOT

FULL HOT

FULL HOT

Blower motor duty ratio

30%

30%

60%

HI

HI

60%

HI

Magnet clutch

ON

ON

ON

OFF

OFF

ON

ON

ECV duty

100%

100%

50%

0%

0%

100%

100%

NOTE: Perform the inspection of each output device after starting the engine, because the A/C compressor has been operating.