Relevance of figures in 8 digit number block

Fig 1: VAG 1551/1552 Scan Tool Display For Diagnostic Data (1st 8 Digit Block)

Display will appear as shown

Fig 2: Display Positions (1st 8 Digit Block)

Fig 1: VAG 1551/1552 Scan Tool Display For Diagnostic Data (2nd 8 Digit Block)

Display will appear as shown

Fig 2: Display Positions (2nd 8 Digit Block)

Fig 1: VAG 1551/1552 Scan Tool Display For Diagnostic Data (3rd 8 Digit Block)

Display will appear as shown

Fig 2: Display Positions (3rd 8 Digit Block)

1) Secondary Air Injection (AIR) not on all models. Cabrio model not equipped with secondary air injection.

Fig 1: VAG 1551/1552 Scan Tool Display For Diagnostic Data (4th 8 Digit Block)

Display will appear as shown

If the specification is not obtained in display field 4 and a 1 is displayed, then the appropriate diagnostic sequence has not yet been performed. The readiness code must still be created. See READINESS CODE, CREATING .

Fig 2: Display Positions (4th 8 Digit Block)

• Press --> button to display any additional diagnostic data.

PID3: Fuel injection system status

Fig 3: VAG 1551/1552 Scan Tool Display For Diagnostic Data (PID3)

When the 3rd position from the right is 1, the injection status is recognized as available.

• Press --> button.

PID4: Calculated load value %

Fig 4: VAG 1551/1552 Scan Tool Display For Diagnostic Data (PID4)

Specification at idle approx.: 2%

• Press --> button.

PID5: Engine coolant temperature °C

Fig 5: VAG 1551/1552 Scan Tool Display For Diagnostic Data (PID5)

Indicates the current engine coolant temperature

Specification for engine at normal operating temperature: 80 to 105 °C (176° to 221 °F)

• Press --> button.

PID5: Coolant temperature °C

Fig 6: VAG 1551/1552 Scan Tool Display For Diagnostic Data (PID5, Current ATF Temperature)

Indicates the current ATF temperature

When the ATF specification is above 140 °C (284 °F) with engine at normal operating temperature, 80° -105 °C (176°: -221 °F) a DTC will be stored.

• Press --> button.

PID6: Short Term Fuel Trim, Bank 1 %

Fig 7: VAG 1551/1552 Scan Tool Display For Diagnostic Data (PID6)

The oxygen sensor control integrator in % is displayed here.

• Press --> button.

PID7: Long Term Fuel Trim, Bank 1 %

Fig 8: VAG 1551/1552 Scan Tool Display For Diagnostic Data (PID7)

The adaptation increases the value in % depending upon altitude.

• Press --> button.

PID12: Engine speed (RPM)

Fig 9: VAG 1551/1552 Scan Tool Display For Diagnostic Data (PID12, Engine Speed)

The engine speed (RPM) is displayed here.

• Press --> button.

PID12: Engine speed (RPM)

Fig 10: VAG 1551/1552 Scan Tool Display For Diagnostic Data (PID12, Input RPM From Transmission)

The input speed (RPM) from transmission is displayed here.

• Press --> button.

PID13: Vehicle speed (mph)

Fig 11: VAG 1551/1552 Scan Tool Display For Diagnostic Data (PID13)

Current vehicle speed display

• Press --> button.

PID14: Ignition timing advance°

Fig 12: VAG 1551/1552 Scan Tool Display For Diagnostic Data (PID14)

Specification at idle: 12 ° fluctuating.

If the displayed ignition angle is constant and later than 12 °, then the cause can be a faulty knock sensor.

• Press --> button.

PID15: Intake air temperature °C

Fig 13: VAG 1551/1552 Scan Tool Display For Diagnostic Data (PID15)

Measured at idle, slightly above ambient temperature

• Press --> button.

PID16: Mass air flow rate, g/sec

Fig 14: VAG 1551/1552 Scan Tool Display For Diagnostic Data (PID16)

Measured at idle approx.: 4.3 g/sec.

If the value is below 2.5 g/sec. unmetered (outside) air can be the cause.

• Press --> button.

PID17: Throttle valve position %

Fig 15: VAG 1551/1552 Scan Tool Display For Diagnostic Data (PID17)

Specification at idle: 2-4%.

A too large or small a value leads to DTC: P1582

• Press --> button.

PID18: Secondary air injection status

Fig 16: VAG 1551/1552 Scan Tool Display For Diagnostic Data (PID18)

When the 3rd position from right is 1, the secondary air injection system is recognized as available.

• Press --> button.

PID19: Oxygen sensor location

Fig 17: VAG 1551/1552 Scan Tool Display For Diagnostic Data (PID19)

When the 1st and the 2nd position from right is 1, the heated oxygen sensors are recognized as available.

• Press --> button.

PID20: Heated oxygen sensor 1: 0.445 V x%

Fig 18: VAG 1551/1552 Scan Tool Display For Diagnostic Data (PID20)

• The displayed value in volts must fluctuate between 0 and 1.0 volts.

• Press --> button.

PID21: Heated oxygen sensor 2: 0.445 V x%

Fig 19: VAG 1551/1552 Scan Tool Display For Diagnostic Data (PID21)

• The displayed value in volts must fluctuate between 0 and 1.0 volt, however it must be at a slower rate than the HO2S (before three way catalytic converter).

• Press °C button to exit mode 1.