Test Value Block, Reading

REQUIREMENTS
- Connect and start operation of VAG 1551, Refer to Connecting and Operating VAG 1551 Scan Tool.
- Use function code 08. Display will appear as shown:

Read measuring value block HELP.
Enter display group no. XX.

- Enter desired display group number using the listings that follow, press Q button to enter input.

Example:
Enter 01 for display group no. 01. Display will appear as shown:

Read measuring value block HELP.
Enter display group no. XX.

- Press Q button to enter input.
Channels 1 through 4 will appear as shown in display:

Read measuring value block 1.
1 2 3 4.

NOTE: The VAG 1551 display for groups O1 to 06 are shown without the 0 (zero) in the group number.

- The measured values are indicated as physical quantities (actual values).
- Press the C button before selecting any other display groups.

NOTE: Keying in the individual values is described in the component repair procedures.

- Press -> button when complete and select function 06 to end output.

INFORMATION IN DISPLAYED CHANNELS BY DISPLAY GROUP.

Display group 00:
- Only required for individual checks.

Display group 01:

1 = Engine speed (RPM)
2 = Engine coolant temperature (ECT).
3 = Oxygen Sensor (O2S) factor.
4 = Ignition angle.

Display group 02:

1 = Engine speed.
2 = Injection time.
3 = System VOLTAGE.
4 = Exhaust gas recirculation temperature (if available).

Display group 03:

1 = Engine speed.
2 = Engine load.
3 = Throttle valve angle.
4 = Intake Air Temperature (at manifold).

Display group 04:

1 = Engine speed.
2 = Engine load.
3 = Vehicle speed.
4 = Switch positions*.
10000 Acceleration enrichment.
01000 Wide open throttle.
00100 Partially open throttle.
00010 Idle position.
00001 Deceleration fuel shutoff.
00000 Switch positions NOT OK (activate DTC Memory again if this numeric code appears.

Display group 05:

1 = Engine speed.
2 = IAC valve.
3 = IAC valve (duty cycle).
4 = Switch positions:
10-00 A/C compressor ON.
01-00 NC ON.
00-10 Transmission engagement (for automatic transmission ONLY).
00-01 Drive step (for automatic transmission ONLY).

Display group 06:

1 = O2S factor.
2 = O2S adaptive learning (closed throttle).
3 = O2S adaptive learning (partially open throttle).
4 = O2S adaptive learning (full throttle).

* Switch positions can also be added, for example: acceleration from partial load = 10100.

NOTE: This display is only possible from Scan Tools equipped with program card 3 (or later).