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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 155 (Heater & Air Conditioning Control System - Automatic Air Conditioner) >> 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 Titan XD and 2018 Nissan Titan. 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 (driver & passenger side)

FULL COLD

FULL COLD

FULL COLD

FULL HOT

FULL HOT

FULL HOT

FULL HOT

Blower motor (V)

4

4

8

HI

HI

8

HI

A/C compressor (Magnet clutch)

ON

ON

ON

OFF

OFF

ON

ON

PTC heater 1

OFF

OFF

OFF

ON

ON

ON

ON

PTC heater 2

OFF

OFF

OFF

OFF

ON

ON

ON

PTC heater 3

OFF

OFF

OFF

OFF

OFF

ON

ON

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