Volkswagen Golf 7 cold car does not start the fan suddenly turning? 20

Updated on Car 2024-04-22
8 answers
  1. Anonymous users2024-02-08

    The first possibility is that the temperature sensor is broken, sending the wrong signal to the fan controller, causing the fan to start. The second possibility is that the fan controller is faulty, and it is easy to start the fan by mistake due to external electromagnetic interference.

  2. Anonymous users2024-02-07

    If the circuit is normal, it is the opening of the air conditioner switch, because as long as the air conditioner is turned on, the blower and cooling fan must be turned, so it is turned off in time. The other is that the fan is controlled by the normal fire line, and the wind does not turn when driving, if you stop the wind is gone, the water temperature will rise to 95 degrees, and the fan will automatically turn on and rotate.

  3. Anonymous users2024-02-06

    Volkswagen Golf 7, this problem is not a general problem, because like other users have basically not feedback. If the cold car is not started, and the fan suddenly rotates, it is likely that there is a problem with the fan sensor, and you can check whether there is a problem with the fan sensor first. If this problem can be ruled out, it is recommended that you go to the garage, because it may be a serious problem.

  4. Anonymous users2024-02-05

    Check the fan relay for poor contact, or poor wiring harness, and whether the temperature sensor is damaged.

  5. Anonymous users2024-02-04

    Volkswagen Golf 7 cold car did not start the fan suddenly turned, this should have nothing to do with the car itself, it is the car fan rotation caused by the strong wind outside.

  6. Anonymous users2024-02-03

    Check the water temperature sensor and fan relay!

  7. Anonymous users2024-02-02

    Check the fan's sensors.

  8. Anonymous users2024-02-01

    Summary. First of all, it is necessary to understand the control principle of the blower of the air conditioning system of the model: the driver operates the air conditioning panel, and the control unit of the air conditioning and heating electronic device J255 confirms that after receiving the air conditioning signal, the blower is controlled to work through the LIN bus.

    Thinking about the failure of the LIN bus of this model, the corresponding fault code will be generated in the diagnostic instrument, which is generally a local data bus fault. The components of the air conditioning system of this model are connected by the LIN bus: air conditioning and heating electronic device control unit J255, high-voltage sensor G65, blower control unit J126

    The blower is broken. Fault diagnosis: First of all, confirm the fault phenomenon, after turning on the air conditioner, the indicator light of the air control hole and posture control panel can be lit normally, but the blower does not work.

    Checked using a special diagnostic instrument VAS6150B, it was found that there was a fault storage in the control unit of the 08 air conditioner heating electronic unit: U103000 local ruler pure data bus, electrical fault (

    The blower is broken. Fault diagnosis: First of all, confirm the fault phenomenon, after turning on the air conditioner, the indicator light of the air control hole and posture control panel can be lit normally, but the blower does not work.

    Checked using a special diagnostic instrument VAS6150B, it was found that there was a fault storage in the control unit of the 08 air conditioner heating electronic unit: U103000 local ruler pure data bus, electrical fault (

    12 years Volkswagen Golf open air fan does not rotate, there are these faults**.

    First of all, it is necessary to understand the control principle of the blower of the air conditioning system of the model: Sun Zai Bi driver operates the air conditioning panel, and the control unit of the air conditioning and heating electronic device J255 confirms that after receiving the air conditioning signal, the blower is controlled to work through the LIN bus. Thinking about the failure of the LIN total line of this model, the corresponding fault code will be generated in the diagnostic instrument, which is generally mostly a local data bus fault.

    The components of the air conditioning system of this model are connected by the LIN bus: air conditioning and heating electronic device control unit J255, high-voltage sensor G65, blower control unit J126

    **Something went wrong.

    Electrical failure, the blower is broken.

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