Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSNISSAN-DATSUN2014NV3500 HD S, VAN CARGOREPAIR AND DIAGNOSISHEATING, VENTILATION & A/C (HVAC)HVAC CONTROL SYSTEMSHEATER & AIR CONDITIONING CONTROL SYSTEM (AUTOMATIC AIR CONDITIONER)DTC/CIRCUIT DIAGNOSISPOWER SUPPLY AND GROUND CIRCUITFRONT A/C CONTROLFRONT A/C CONTROL: COMPONENT FUNCTION CHECK
2014 Nissan-Datsun NV3500 HD S, Van Cargo
FRONT A/C CONTROL: Component Function Check
2014 Nissan-Datsun NV3500 HD S, Van CargoSECTION FRONT A/C CONTROL: Component Function Check
- CHECK OPERATION
- Turn the blower motor dial clockwise and verify the blower speed increases and that one of the LEDs illuminates on the mode switch.
- Press the mode switches and verify that the modes change, the LEDs illuminate, and that air flows from the various vents.
- Turn the temperature control dial and verify the temperature changes at the selected vents.
- Press the DEF, REC, and FRE (if equipped) buttons and verify air flow changes.
Does it operate normally?
YES: Inspection End.
NO: Perform trouble diagnosis for the front air control system. Refer to "FRONT A/C CONTROL: DIAGNOSIS PROCEDURE ".
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.