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Volkswagen Passat
Repair manual

Testing & Diagnostics Volkswagen Passat B5

Step-by-step instructions on "Testing & Diagnostics" for Volkswagen Passat B5 (1996–2001). Pick an article — removal, installation, adjustment and diagnostics with illustrations.

Characteristics of on Board Diagnostic (OBD)

Control Module Identification

Engine Control Module (ECM) Equipment

Selectable Diagnostic Modes Under Address Word 33 - OBD

Connect Diagnostic Tester

Procedure

Connect Test Box for Wiring Test

Vehicles with 80-pin Engine Control Module (ECM, Engine Code Aeb)

Vehicles with 121 -Pin Engine Control Module (ECM, Engine Code Atw, Aug, Awm)

Requirement

Continuation for All Vehicles

Installation Position of Exhaust MIL

Meaning of Exhaust MIL

Test Requirement

Test Sequence

Vehicles with Engine Code Aeb

Vehicles with Engine Code Atw, Aug, Awm

Select Diagnostic Function

Function

Sae Diagnostic Trouble Codes (Dtcs)

Requirements

Evaluation of Output of Oxygen Sensor Signals

Evaluation Test - ID 01 Bank 1 Sensor 2: Rich to Lean Sensor Barrier Voltage

Evaluation Test - ID 02 Bank 1 Sensor 2: Lean to Rich Sensor Barrier Voltage

Evaluation Test - ID 07 Bank 1 Sensor 2: Minimum Voltage at Sensor for Test Cycle

Evaluation Test - ID 08 Bank 1 Sensor 2: Maximum Voltage at Sensor for Test Cycle

Evaluation Test - ID 129 Bank 1 Sensor 1: Actual Value of Oxygen Sensor Voltage

Evaluation Test - ID 130 Bank 1 Sensor 1: Control Barrier Voltage

Evaluation Test - ID 131 Bank 1 Sensor 1: Dynamic Value

Evaluation Test - ID 132 Bank 1 Sensor 1: Oxygen Sensor Shift via Oxygen Sensor Control Behind Three Way Catalytic Converter (Twc) (Bank 1 Sensor 2)

Test Requirements

Evaluation Test - ID 01

Evaluation Test - ID 03

Evaluation Test - ID 05

Evaluation Test - ID 09

Vehicles with Engine Code Aeb, Atw

Vehicles with Engine Code Aug, Awm

Function Test

Display Vehicle Information

Evaluation Pid 01: System Status-Information (Right 8 -Digit Number Block:)

Fuel and Air Mixture and Additional Emission Regulations

Fuel and Air Ratios

Ignition System

Additional Exhaust Regulation

Speed and Idle Control

Control Module and Output Signals

Control Modules, Input and Output Signals