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Home >> Volkswagen >> 2004 >> GTI VR6 >> Repair and Diagnosis >> External Pages >> Different car >> Section 102 (1.9L - Fuel Injection Glow Plug, Engine Code: ALH (A4 Platform)) >> 01 On Board Diagnostic (OBD) >> Measuring value blocks >> Evaluating measuring value blocks, at idle >> Evaluation: Additional heater display

Evaluation: Additional heater display

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Significance of figures in 8-digit number block for additional heater:

"1" Signifies:
x x x x x x x x Additional heater switched off, because:
              1 Engine Coolant Temperature exceeds 70 ° C...80 ° C (158 ° F...176 ° F) or Intake Air Temperature exceeds + 5 ° C (41 ° F)
            1   Generator (GEN) inoperative
          1     Battery voltage below 9 Volts
        1       Engine speed below 870 RPM
      1         Engine start within last 10 secs.
    1           Engine Coolant Temperature Sensor G62 or Intake Air Temperature Sensor G72 inoperative
  1             Not relevant
1               Not relevant