Brake System - On Board Diagnostic (OBD) - Abs & Esp

• On Board Diagnostic (OBD) for ABS and ESP, general notes
  • Notes
  • VAG 1551 scan tool, connecting and entering address word
  • Scan tool functions, selecting
    • Notes
    • Erasing DTC memory
      • Requirements:
    • Ending output
  • Troubleshooting ABS and ESP, safety precautions and general notes
    • Notes
    • Road testing
      • Notes
      • Troubleshooting procedure
      • Requirements for test
  • Technical information required
• CAN-Bus
  • Function of the CAN-Bus
    • Bus:
    • Can:
  • CAN-Bus for ESP
  • CAN-Bus, testing
    • The DTC table may instruct you to test the bus:
      • Notes
      • If a malfunction exists
      • When tracing malfunctions in the bus wires, distinguish between two possible cases:
      • Two control modules communicating via a CAN-Bus
      • Three or more control modules communicating via a CAN-Bus
        • Notes
        • Example 1:
        • Example 2:
        • Example 3:
• ABS/EDL and ABS/EDL/ASR Bosch 5.3
  • Bosch 5.3 ABS/EDL system, function
    • Notes
    • Electronic brake force distribution
    • Abs:
    • EDL:
    • ASR:
    • There are two types of communication link in use:
  • Warning light functions overview
  • On Board Diagnostic (OBD) function
    • Notes
    • Technical data of On Board Diagnostic (OBD)
  • Check Control Module Versions (function 01)
  • ABS, EDL control module versions
  • ABS, EDL, ASR control module versions
  • Code Control Module (function 07)
  • ABS/EDL/ASR coding table
  • Read Measuring Value Block (function 08)
  • Read measuring value block: display group 1
    • Notes
    • Read measuring value block: display group 2
    • Read measuring value block: display group 3
    • Read measuring value block: display group 4
  • Output Diagnostic Test Mode (function 03)
  • Electrical testing
    • Notes
    • Requirements for test
    • Test equipment required:
    • Connecting VAG 1598 test box with VAG 1598/27 adapter:
    • Contact assignment of multi-pin connector on wiring harness for ABS control module (w/EDL) -J104-.
    • Electrical test table
• ABS, EDL and ABS, EDL, ASR Diagnostic Trouble Code (DTC) memory, checking
  • Notes
  • Diagnostic Trouble Code (DTC) table
• Electronic Stabilization Program (ESP) Bosch 5.3
  • Notes
  • ESP, function
    • Notes
    • Electronic brake force distribution
    • Abs:
    • EDL:
    • ASR:
    • Esp
  • ABS/EDL, additional components
    • Hydraulic pump for traction control -V156- (ESP) and sender 1 for brake booster -G201-
    • Steering angle sensor -G85-
    • ABS Control Module (w/EDL) -J104-
    • For non-codable control module versions:
    • For codable control module versions:
    • All vehicles:
      • Parking brake switch
      • ABS solenoid valve relay -J106- and ABS return flow pump relay -J105-
  • Warning light functions table
• ESP On Board Diagnostic (OBD)
  • On Board Diagnostic (OBD) function
    • Notes
    • Technical data of On Board Diagnostic (OBD)
  • Check Control Module Versions (function 01)
    • Notes
    • Control module versions
  • Code Control Module (function 07)
    • Notes
    • Performing login
    • ESP login table (A6)
    • ESP login table (A6 Allroad All Wheel Drive)
    • Coding control module
    • ESP coding table (A6)
    • ESP coding table (A6 Allroad quattro)
    • Front brake caliper type
  • Read Measuring Value Block (function 08)
    • Notes
    • Read measuring value block: display group 1
      • Notes
      • Read measuring value block: display group 1
    • Read measuring value block: display group 2
    • Read measuring value block: display group 3
    • Read measuring value block: display group 4
    • Read measuring value block: display group 5
    • Read measuring value block: display group 6
    • Read measuring value block: display group 125
    • Read measuring value block: display group 126
  • Output Diagnostic Test Mode (function 03)
  • Basic setting (scan tool function 04)
    • Notes
    • Zero position adjustment of steering angle sensor -G85-
      • Notes
      • Zero position adjustment
      • If the steering wheel is properly centered (road test)
      • If the steering wheel is not properly centered
    • Hydraulic pump for traction control -V156-, activating
    • ESP, checking via road test
• Electrical testing
• ESP Diagnostic Trouble Code (DTC) memory, checking
  • Notes
  • Diagnostic Trouble Code (DTC) table; DTC's 00000 to 00526
  • Diagnostic Trouble Code (DTC) table; DTC's 00532 to 01421
  • Diagnostic Trouble Code (DTC) table; DTC's 01435 to 01542
  • Diagnostic Trouble Code (DTC) table; DTC's 18031 to 65535
• Electronic Stabilization Program (ESP) Bosch 5.7
  • On Board Diagnostic (OBD) is in Guided Fault Finding in VAS 5051