. Because the sensor sends a "short circuit" signal to the ECU, the car goes into failsafe mode and blasts the fan to prevent a non-existent pressure explosion.
The Engine Control Unit (ECU) or Climate Control module detects that the signal from the A/C refrigerant pressure sensor is out of range (too high, too low, or an open circuit). df049 renault
The glow plug system in a modern diesel Renault is critical for cold starts and reducing emissions. The ECU monitors the "pre-post heating" relay. When you turn the ignition on, the ECU sends a signal to the glow plug control module (relay unit), which then supplies power to the glow plugs. df049 renault