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Home >> Volkswagen >> 2001 >> Jetta GL, 2.0 B >> Repair and Diagnosis >> External Pages >> Different car >> Section 59 (On Board Diagnostic (OBD) - 2.0L, Aba (A3 Platform)) >> VAG 1551 Scan Tool (ST), connecting and selecting "Engine Electronics" address word 01 >> Evaluating display group 000

Evaluating display group 000

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EVALUATING DISPLAY GROUP 000 (1 OF 3)

Display field: 1 Possible malfunction cause Malfunction elimination
More than 204
  • Engine Coolant Temperature (ECT) sensor
Less than 170
  • Engine coolant temperature sensor
  • Thermostat faulty (open)
Display field: 2  Possible malfunction cause  Malfunction elimination 
More than 58
  • Electrical consumers turned on
  • Oxygen Sensor (O2S) control at limit
Less than 28
  • Unmetered outside air
  • Fuel pressure regulator faulty and/or hose fallen off
EVALUATING DISPLAY GROUP 000 (2 OF 3)

Display field: 3 Possible malfunction cause Malfunction elimination
Less than 80
  • Driving range selected
  • Throttle valve control module faulty
More than 88
  • Closed throttle position switch open
  • Throttle valve control module faulty
  • Unmetered outside air
Display field: 4  Possible malfunction cause  Malfunction elimination 
Less than 176
  • Generator faulty
  • Battery discharged/faulty
  • Check Engine Control Module (ECM) voltage supply See .
  • Check generator
  • Check battery
More than 212
  • Voltage regulator faulty
  • Check voltage regulator
Display field: 5  Possible malfunction cause  Malfunction elimination 
Less than 0
  • Not possible
-
More than 23
  • Basic setting of throttle valve control module has not been performed
  • Throttle valve control module faulty
  • Accelerator pedal cable adjustment
EVALUATING DISPLAY GROUP 000 (3 OF 3)

Display field: 6 + 7 Possible malfunction cause Malfunction elimination
Less than 112 Unmetered air after throttle body Check intake air system for leaks. See INTAKE AIR SYSTEM, CHECKING FOR LEAKS (OUTSIDE AIR) .
More than 144 Increased engine load Switch off consumer
Display field: 8  Possible malfunction cause  Malfunction elimination 
Less than 96
  • Engine too rich, O2S control weakens mixture
  • O2S control at limit
  • Lots of fuel from EVAP canister
  • Fuel pressure regulator faulty/hose fallen off
More than 160
  • Engine too lean, O2S control enriches mixture
  • Unmetered air
  • Fuel injectors faulty
  • O2S control at limit
128
  • Shortage of fuel
  • O2S control blocked