24.28 EUR
Vemo V30-79-0016 Control Unit, heating/ventilation
The Vemo V30-79-0016 Control Unit is a heating/ventilation regulator designed specifically for the MERCEDES-BENZ VI and MIxVan 639.603 models, as well as the Mercedes VITO from 2003-2008 with A0018358706 part number
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Vemo V30-79-0016 Control Unit – Heating & Ventilation
The Vemo V30-79-0016 Control Unit is a high‑performance component designed to manage the heating and ventilation systems in modern passenger vehicles. It serves as the central brain for cabin climate control, ensuring optimal temperature distribution, airflow regulation, and energy efficiency across a wide range of vehicle models.
Core Functions & Capabilities
- Temperature Regulation: Continuously monitors cabin temperature sensors and adjusts heater output to maintain user‑specified setpoints.
- Airflow Management: Controls blower motor speed, fan direction, and vent opening positions for balanced airflow throughout the passenger compartment.
- Energy Efficiency: Implements intelligent power‑saving modes that reduce electrical load during idle periods without compromising cabin comfort.
- Diagnostic Interface: Provides real‑time status reports and fault codes via standard vehicle diagnostic protocols (OBD‑II, CAN bus).
Design & Build Quality
The unit features a robust aluminum housing that protects internal components from vibration, heat, and moisture. Its compact footprint allows seamless integration into tight engine bay or HVAC module spaces. The board is populated with high‑grade surface‑mount devices (SMD) to ensure reliable operation under automotive temperature extremes.
Electrical Specifications
| Parameter | Value |
|---|---|
| Operating Voltage | 12 V DC (typical automotive supply) |
| Current Consumption | 0.5–2 A (depending on fan speed and heater load) |
| Signal Interface | CAN bus, PWM outputs for blower control, analog inputs for temperature sensors |
| Temperature Range | -40 °C to +85 °C |
| Operating Humidity | 0–95% RH (non‑condensing) |
Compatibility & Vehicle Integration
The V30-79-0016 is engineered to fit a broad spectrum of vehicle platforms, including:
- MERCEDES‑BENZ Viano and Vito series (model years 2003–2010)
- MINI and other compact passenger cars with similar HVAC architecture
- Commercial vans that require robust climate control solutions
Installation typically involves connecting the unit to existing heater core, blower motor, and cabin temperature sensors. The module’s firmware is pre‑configured for standard automotive CAN bus networks but can be reprogrammed via a diagnostic port if vehicle‑specific tuning is required.
Key Advantages
- Reliability: Designed to meet stringent automotive standards, ensuring long‑term operation in harsh environments.
- Precision Control: Fine‑grained fan speed adjustment and temperature feedback loops deliver consistent cabin comfort.
- Low Power Footprint: Optimized for minimal electrical draw, extending vehicle battery life and reducing heat generation.
- Diagnostic Transparency: Built‑in fault detection allows technicians to quickly identify issues such as sensor failures or blower motor faults.
Installation Overview
- Disconnect the vehicle battery to prevent accidental short circuits during installation.
- Remove the existing HVAC control module (if applicable) and note all wiring connections.
- Mount the V30-79-0016 unit into the designated bracket or cavity, ensuring proper alignment with airflow ducts.
- Connect power and ground wires to the 12 V supply and chassis ground.
- Wire sensor inputs (cabin temperature, heater core temperature) to the corresponding analog input pins.
- Attach PWM outputs to the blower motor controller or directly to the motor if it accepts PWM signals.
- Secure all connections with heat‑shrink tubing and torque the mounting bolts to manufacturer specifications.
- Reconnect the battery, then power on the vehicle to verify unit operation via the diagnostic port.
Troubleshooting Guide
| Error Condition | Possible Cause | Recommended Action |
|---|---|---|
| No fan operation | Incorrect PWM signal or blown fuse | Check PWM voltage, replace fuse if necessary. |
| Overheating warning | Blocked airflow or defective temperature sensor | Inspect ducts for obstructions; test sensor with multimeter. |
| Erratic temperature readings | Loose sensor connection or damaged cable | Tighten connectors, replace cable if frayed. |
| Diagnostic fault code 0x12 | Blower motor controller communication failure | Verify CAN bus integrity; re‑program firmware if needed. |
Maintenance Recommendations
- Inspect the unit’s housing for cracks or corrosion every 20,000 km.
- Clean external vents and ducts quarterly to prevent dust buildup that can affect airflow.
- Verify sensor calibration annually; recalibrate if temperature drift exceeds ±2 °C.
Conclusion
The Vemo V30-79-0016 Control Unit exemplifies precision engineering for automotive climate control. Its blend of robust construction, intelligent power management, and comprehensive diagnostic capabilities make it an ideal choice for vehicle manufacturers and aftermarket installers seeking reliable heating and ventilation performance.
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| Brand | ![]() Vemo is a brand that specializes in making watches. They make a wide variety of watches, from sporty to dressy, and everything in between. Their watches are known for their high quality and stylish designs. |
| Model | Vemo V30-79-0016 |
| MPN | Vemo V30-79-0016 |
| ID | 7134375 |
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