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On Board Diagnostic (OBD) Audi A4 B6

Step-by-step instructions on "On Board Diagnostic (OBD)" for Audi A4 B6 (2000–2006). Pick an article — removal, installation, adjustment and diagnostics with illustrations.

65subsections
65articles
243illustrations

General information

1 article

Equipment

1 article

Function

1 article

Safety precautions

1 article

Test requirements

1 article

Diagnostic Trouble Code (DTC) Memory, checking (function 02)

1 article

Diagnostic Trouble Code (DTC) table

1 article

Output Diagnostic Test Mode (DTM) (function 03)

1 article

Initiating output DTM

1 article

Basic Setting (function 04)

1 article

Requirements

1 article

Basic setting

1 article

Diagnostic Trouble Code (DTC) Memory, erasing (function 05)

1 article

Procedure

1 article

A/C control head -E87-, coding (function 07)

1 article

Code control module

1 article

Read Measuring Value Block (function 08)

1 article

A/C Compressor Regulator Valve -N280- and High Pressure Sensor -G65

1 article

Interpretation of compressor cut-off condition for display field 1 - 4

1 article

Display group 009

1 article

Display group 010

1 article

Display group 011

1 article

Display group 012

1 article

Display group 013

1 article

Display group 014

1 article

Display group 015

1 article

Display group 016

1 article

Display group 017

1 article

Display group 018

1 article

Display group 019

1 article

Display group 020

1 article

Display group 021

1 article

Display group 022

1 article

Display groups 026 and 027

1 article

Display group 081

1 article

Display group 125

1 article

Display group 126

1 article

Display groups currently not to be used by dealerships

1 article

Overview of designated adaptation channels

1 article

Adaptation (function 10) in channel 03, performing

1 article

Adaptation of fresh air blower RPM decrease, performing (adaptation channel 08)

1 article

Carry out adaptation

1 article

Adaptation of Vehicle Identification Number (VIN), performing (adaptation channel 81)

1 article

Bus

1 article

CAN

1 article

CAN-bus comfort system, checking

1 article

Isolating possible malfunction causes

1 article

Determining malfunction in CAN-bus comfort system

1 article

Special tools and equipment

1 article

Connect VAG 1598 A test box to wiring harness connectors of A/C Control Head -E87

1 article

Socket assignment for VAG 1598 A test box with adapter lead VAG 1598/11

1 article

Test requirement

1 article

Test step 1

1 article

Temperature depending resistance values of sensor / sender

1 article

Test step 3

1 article

Air conditioner positioning motors with potentiometers

1 article

Test step 5

1 article

Checking pressure signal from High Pressure Switch -G65

1 article

Connector assignment at High Pressure Switch -G65

1 article

Pressure signal from High Pressure Sensor -G65

1 article

Heated rear window -Z1-, testing

1 article

Heated seats, testing

1 article

Heated front window -Z2-, checking activation

1 article

Windshield defroster, function

1 article

Windshield defroster, disabling

1 article