Table of Contents
Safety Precautions…………….……….…………..…………..2
About VAG401………….………..……………………………..4
1. Applications……………….……….……………………….…..4
2. Available Functions…………….…..…………….……………4
3. Supported Systems……………………………….…………..4
4. Professional function.………………………………………...4
5. Main features…………………………………….……………5
6. Appearance and Key Descriptions …………………………5
Operation Instructions……………….....……………………..6
1. Preparation for Testing…………….………….……………..6
2. Connect the VAG401….……………….…………………….7
3. Diagnosis system…………………..…..…………...…………8
3.1
READ ECU version
…………………….…….….……......10
3.2 Read Fault codes.………..……………………..…….10
3.3 ERASE Fault…….…………………….……………….11
3.4 Read measuring data value……………………..……11
3.5 Output test.…………………………………..……….…12
3.6 Basic items setting……………………………..………13
3.7 Route adaptation…………….…….…………………..13
3.8
Coding
……………………..….……………………….…13
3.9 Login the system……………………………………..14
3.10 Advanced ID ……………………...………….……….15
3.11 System being ready…………………………………..16
3.12 Professional function…………………………………16
4. Language select…………………………………………….. 18
5. Contrast value adaptation………………………………..….18
6. Lcd test…………………..………………………………...… 19
7. Key testing…………………………………………………….19
8. About…………………………………………………………..20
9. Location of Data Linking Connection……………………….21
