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Read Measurement & Read Measuring (Test) Value Block

NOTE: See ENTERING SELF-DIAGNOSTICS  for additional scan tester operating instructions.
  1. Connect Scan Tester (VAG 1551) to Data Link Connectors (DLC) located below A/C-heater control panel. With scan tester in READ MEASUREMENT (MEASURING VALUE) BLOCK function, press "00" to "06" buttons to select desired display group. See DISPLAY GROUP  table.
  2. When display group "00" is selected, only READ MEASUREMENT BLOCK is shown on display (the zeros do not appear on display). With READ MEASUREMENT BLOCK function completed, select END DATA TRANSFER function on scan tester. Turn ignition off. Disconnect scan tester.
DISPLAY GROUP

Group Number & Channel Number Parameters
00 Used Only For Testing Vehicle At the Factory
01
1 Engine Speed
2 Engine Coolant Temperature
3 Oxygen Sensor Signal
4 Ignition Timing
02
1 Engine Speed
2 Injection Time
3 Battery Voltage
4 EGR Temperature
03
1 Engine Speed
2 Engine Load (In Percent)
3 Throttle Angle
4 Intake Manifold Temperature
04
1 Engine Speed
2 Engine Load (In Percent)
3 Road (Vehicle) Speed
4 Operating Status
05
1 Engine Speed
2 Idle Air Control (IAC) Valve
3 IAC Duty Cycle
4 Operating Status