With Manufacturer Scan Tool

Diagnostic Trouble Code (DTC) Memory, Checking (Scan Tool Function 02)

- Connect VAG 1551 Scan Tool (ST), input address word 08 "AC/Heating electronics" and press -> until "Select function XX" is displayed. Scan Tool Connecting and Initial Checks
- Switch printer on by pressing the PRINT button (indicator lamp in button comes on).

Indicated on display (function selection):


Rapid data transfer HELP
select function XX


- Press buttons -0- and -2- to select "Check DTC memory" function 02.

Indicated on display


Rapid data transfer Q
02 - Check DTC memory


- Press -Q- button to confirm input.

Number of stored DTCs or "No DTC recognized" is displayed.


X faults recognized!


- Press -> button.


No DTC recognized ->


Stored DTCs are displayed and printed out one after another.

When all DTCs are displayed/printed out, eliminate malfunctions as described in Diagnostic Trouble Code (DTC) table. About Trouble Codes

If "No DTC are recognized" is displayed, program returns to the starting position after pressing -> button.

Indicted on display (function selection)


Rapid data transfer HELP
Select function XX


- End output (function 06). End Output (Function 06)
- Switch off ignition and disconnect Data Link Connector (DLC) adapter harness.


NOTE:
- If DTC(s) are recognized:
- Refer to DTC table About Trouble Codes
- Rectify malfunction(s).
- Check DTC memory again (scan tool function 02). Displaying and Reading Trouble Codes
- Erase DTC memory (scan tool function 05). With Manufacturer Scan Tool

- If no DTC(s) are recognized:
- Verify customer's complaint.
- Carry out "Output Diagnostic Test Mode (DTM)" function 03. Output Diagnostic Test Mode (DTM) (Function 03)
- Carry out "Read Measuring Value Block" function 08. Reading
- Perform Climatronic system troubleshooting. Digital Climate Control (Climatronic), Troubleshooting