madtek
New Member
Hello everyone,
just wanted to share my experience,
had this message for a while, and it turned out to be broken wire that leads to the fan, the fan wasn't engaging, hence the temp could rise and the aircon wouldn't work properly
so if everyone has this message would advice to check the wires first
there is 4 pin connector that goes to the fan and its module
1 thick(red): +12V (always on)
2 thick(black): ground
3 thin (black with red stripe) : +12V (when ignition on)
4 thin (green with blue stripe): signal wire (low voltage PWM signal)
ps
the car is w203, also checked my friends w211, the wires looks the same
just wanted to share my experience,
had this message for a while, and it turned out to be broken wire that leads to the fan, the fan wasn't engaging, hence the temp could rise and the aircon wouldn't work properly
so if everyone has this message would advice to check the wires first
there is 4 pin connector that goes to the fan and its module
1 thick(red): +12V (always on)
2 thick(black): ground
3 thin (black with red stripe) : +12V (when ignition on)
4 thin (green with blue stripe): signal wire (low voltage PWM signal)
ps
the car is w203, also checked my friends w211, the wires looks the same