Performing Basic Setting Checks
Requirements- Engine coolant temperature 85°C (185°F) minimum
- All electrical consumers switched OFF
- A/C switched OFF, Fan speed "minus" button in A/C control head pressed repeatedly until all displays are erased
Procedure
- Disconnect positive crankcase ventilation hoses from cylinder head covers and plug with round stock of appropriate diameter
^ To remove each of the positive crankcase ventilation hoses, press together the oval outer ring at the points indicated (arrows) and disconnect the line.
^ To plug the crankcase ventilation hoses, use plastic plugs as shown. These plugs are often used in packaging to cover hose connections in new and replacement parts assemblies.
- Connect VAG 1551 scan tool. Refer to Connecting and Operating VAG 1551 Scan Tool Connecting and Operating VAG 1551 Scan Tool
- Start engine and let idle.
- Advance through program until display appears as shown:
Rapid data transfer HELP
Select function XX
- Select function code.
Diagnostic Trouble Code Memory 02
- Display will appear as shown:
Rapid data transfer HELP
02 - Check DTC Memory
- Check DTC memory for stored codes, if there are faults stored, check and repair as necessary and erase the DTC memory. Refer to W/ VAG 1551 - Diagnostic Trouble Code Memory [1][2]Reading Diagnostic Trouble Codes
- Let engine idle.
- Press 0 and 4 buttons to select function 04 "Activate basic setting"
- Display will appear as shown:
Rapid data transfer Q
04 - Basic Setting
- Press Q button to enter input
- Display will appear as shown:
Basic Setting HELP
Input display group number XXX
- Press 0 button three times to select "System in basic setting"
- Press Q button to enter input
`
- Display will appear as shown:
System in basic setting
1 2 3 4 5 6 7 8 9 10
NOTES:
The displayed values for channels 1 to 10 are in decimal form.
If the printer is switched ON, the current display will be printed out.
The current display will be printed out each time the PRINT button is pressed.
- Compare the displayed values to the values in the Basic Setting Specification Charts. Basic Setting Specification Charts
Correct Values
If the specified values are obtained in all channels
- Press the "Arrow" button
- Display will appear as shown:
Rapid data transfer HELP
Select function XX
- Press 0 and 6 buttons to select function 06 "End output"
- Display will appear as shown:
Rapid data transfer Q
06 - End output
- Press Q button to enter input
- Display will appear as shown:
Rapid data transfer HELP
Input address word XX
Incorrect Values
If the specified values are not obtained in all channels refer to Basic Setting Diagnostic Charts. Basic Setting Diagnostic Charts