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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 608 (Heater & Air Conditioning Control System) >> System Description >> System >> Front Automatic Air Conditioning System >> Fail-safe >> Fail-Safe Function

Fail-Safe Function

WARNING: This page is about a different car, the 2020 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.

If a communication error exists between the A/C auto amp., and the display control unit and preset switch for 30 seconds or longer, air conditioning is controlled under the following conditions:

When ambient temperature is less than 3 deg.C (37 deg.F) and engine coolant temperature is less than 56 deg.C (133 deg.F)

Compressor

: ON

Air outlet

: DEF

Air inlet

: FRE (Fresh air intake)

Blower fan speed

: AUTO

Set temperature

: Setting before communication error occurs

When ambient temperature is 3 deg.C (37 deg.F) or more, or engine coolant temperature is 56 deg.C (133 deg.F) or more

Compressor

: ON

Air outlet

: AUTO

Air inlet

: 20% FRE (20% fresh air intake)

Blower fan speed

: AUTO

Set temperature

: Setting before communication error occurs