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Home >> Volkswagen >> 1999 >> Golf Wolfsburg Edition, Automatic >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 12 (Brake System - OBD (A4 Platform)) >> 01 On Board Diagnostic (OBD) >> ABS ITT Mark 20 IE On Board Diagnostic (OBD) >> On Board Diagnostic (OBD) with V.A.G 1551 Scan Tool or Tester VAS 5051 (flow chart)

On Board Diagnostic (OBD) with V.A.G 1551 Scan Tool or Tester VAS 5051 (flow chart)

WARNING: This page is about a different variant/trim than selected.
                                                       
          Connect V.A.G 1551 and select 1-rapid data transfer ← or → Connect tester VAS 5051 and select vehicle OBD    
                            ↓           ↓              
    Compare control module identification ← ← ← ← ← Select address word 03-Brake electronics        
    ↓                                   ↓              
    ↓               ← ← ← ← ← ← ← Check DTC memory 02        
    ↓               ↓                   ↓              
    ↓       Repair DTCs using DTC table       No DTCs recognized        
    ↓         ↓         ↓                   ↓          
    ↓
↓		     Read measured value block 08     Perform output Diagnostic Test Mode (DTM) 03       ↓
↓		          
    ↓     ↓       ↓       ↓                 ↓          
    ↓   Replace component   ↓       ↓   1. Perform test drive at more than 20 km/h    
    ↓     ↓       ↓       ↓   2. Check DTC memory 02 again    
    ↓     ↓       ↓       ↓   3. "No DTCs recognized" is displayed again    
    ↓     ↓       ↓       ↓                 ↓          
    A      B       C       D                  E           
    A    B         C       D                  E           
    ↓   ↓         ↓       ↓                 ↓          
    ↓
↓
↓
↓		   ↓
↓
↓
↓		   Perform directed entry of electrical tests     Service hydraulic/mechanical parts of brake system (Refer to 47 BRAKES - HYDRAULIC COMPONENTS and 46 BRAKES - MECHANICAL COMPONENTS )       ↓
↓
↓
↓		          
    ↓   ↓         ↓         ↓               ↓          
    ↓   → → → → → ↓         ↓               ↓          
    ↓
↓		             ↓
↓		         ↓
↓		   1. Perform all test steps of electrical checks. Refer to ABS, ABS/EDL and ABS/EDL/ASR ITT Mark 20 IE, electrical check     
    Identification not OK.   ↓
↓		         ↓
↓		   2. Service hydraulic/mechanical parts of brake system    
          ↓       ↓         ↓     (Refer to 47 BRAKES - HYDRAULIC COMPONENTS and 46 BRAKES - MECHANICAL COMPONENTS )    
    Replace control module   ↓         ↓               ↓          
          ↓       ↓         ↓               ↓          
       
  • Connect V.A.G 1551 and check DTC memory again (02).
    
       
  • Erase DTC memory (05)
    
       
  • Perform test drive at more than 20 km/h (13 mph) and allow the ABS to regulate braking.
    
       
  • Check DTC memory again after test drive. If "No DTC recognized" appears on display of V.A.G 1551 after repairing DTCs and performing test drive the On Board Diagnostic (OBD) is completed.
    
                                                       
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