01520

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01520 - Rain and Light Recognition Sensor (G397)

01520 - Rain and Light Recognition Sensor (G397): Implausible Signal

Possible Symptoms

  • Rain/Light Recognition Sensor (G397) not functioning

Possible Causes

  • Fuse(s) faulty
  • Wiring from/to Rain/Light Recognition Sensor (G397) faulty
  • Central Electronics Control Module (J519) incorrectly coded

Possible Solutions

  • Check Fuse(s)
  • Check Wiring from/to Rain/Light Recognition Sensor (G397)
  • Check Central Electronics Control Module (J519) Coding

Special Notes

  • When found in VW Golf (1K): Central Electronics
    • Check Supply Voltage
      • See Measuring Value Block (MVB) 013.3
    • Check Light Sensor Status
      • See Measuring Value Block (MVB) 016.2
  • When found in VW Phaeton (3D): Roof Electronics
    • Check Rain Sensor Status
      • See Measuring Value Block (MVB) 011.2
    • Check Light Sensor Status
      • See Measuring Value Block (MVB) 011.2
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