Engine Controls - Self-Diagnostics

• Introduction
• Model Identification
• Self-Diagnostic System
  • Diagnostic Trouble Codes (DTC)
  • On Board Diagnostic (OBD) Program For MOTRONIC MULTIPORT Fuel Injection Module
  • Hard Failures
  • Intermittent Failures
  • Malfunction Indicator Light (Mil)
  • Service Precautions
  • Visual Inspection
  • Connecting Scan Tool (VAG 1551)
  • Retrieving Diagnostic Trouble Codes
    • Notes
    • Diagnostic Trouble Code Identification
  • Clearing Codes
• Output Diagnostic Test Mode (DTM)
  • Notes
  • Output Diagnostic Test Mode (Function 03)
    • Notes
    • Requirements
    • Output DTM Activation Sequence (8 Total)
    • Testing
  • Basic Setting Diagnostic Test Mode (Function 04)
    • Notes
    • Requirements
    • Basic Setting (Function 04)
    • Display Group 00
    • Testing
    • Display Group 01
    • Display Group 02
    • Basic Setting Values Checking Tables
  • Reading/Measuring Value Block (Function 08)
    • Notes
    • Requirements
    • Value Block (Function 08)
    • Display Group 00
    • Display Group 01-09
• ECM Ground & Voltage Check
  • Notes
  • Ground Check
  • Voltage Check
    • Voltage Check To ECM Fuse
  • Checking Data Link Connector Wiring
    • Voltage Check To Black DLC
    • Checking Wiring Between White DLC & Motronic ECM
    • Checking White DLC Wiring
    • Wires Of Different Colors Connected To -K- & -L- Connectors
    • Several Wires Of Same Color Connected To -K- & -L- Connectors
    • Connecting (VAG 1598) Test Box
• ECM Identification
  • Notes
  • Checking ECM Version
• ECM Coding
  • Notes
  • ECM Coding Variation
    • Notes
    • Checking Coding Connector Wiring
• Test Drive
• ECM Location
• Connector Identification
• Summary
• Diagnostic Tests
  • Notes
  • DTC 00000/0000 - No Malfunction Recognized
  • DTC 00281/1231 - Vehicle Speed Sensor
  • DTC 00513/2111 - Engine Speed Sensor
  • DTC 00514/2112 - Crankshaft Position Sensor
  • DTC 00515/2113 - Camshaft Position Sensor
  • DTC 00516/2121 - Closed Throttle Position Switch
  • DTC 00518/2212 - Throttle Position Sensor
  • DTC 00519/2222 - Manifold Absolute Pressure Sensor
  • DTC 00522/2312 - Engine Coolant Temp Sensor
  • DTC 00523/2322 - Intake Air Temp Sensor
  • DTC 00524/2142 - Knock Sensor No. 1.
  • DTC 00525/2342 - Heated Oxygen Sensor
  • DTC 00528/2223 - Barometric Pressure Sensor
  • DTC 00532/2234 - Supply Voltage (B+)
  • DTC 00533/2231 - Idle Air Control Regulation
  • DTC 00537/23411 - Oxygen Sensor Control
  • DTC 00540/2144 - Knock Sensor No. 2.
  • DTC 00543/22214 - Rpm Upper Limit Exceeded
  • DTC 00544/2224 - Maximum Charge Air Pressure Exceeded
  • DTC 00545/2314 - Engine To Transmission Electrical Connection Problem
  • DTC 00553/2324 - Mass Airflow Sensor
  • DTC 00561/2413 - Mixture Adjustment
  • DTC 00577/2141 - Knock Sensor Control CYL. No. 1.
  • DTC 00578/2141 - Knock Sensor Control CYL. No. 2.
  • DTC 00579/2141 - Knock Sensor Control CYL. No. 3.
  • DTC 00580/2143 - Knock Sensor Control CYL. No. 4.
  • DTC 00581/2143 - Knock Sensor Control CYL. No. 5.
  • DTC 01247/4343 - EVAP Canister Purge Regulator Valve
  • DTC 01249/4411 - CYL. 1 Fuel Injector Circuit Malfunction
  • DTC 01250/4412 - CYL. 2 Fuel Injector CKT Malfunction
  • DTC 01251/4413 - CYL. 3 Fuel Injector CKT Malfunction
  • DTC 01252/4414 - CYL. 4 Fuel Injector CKT Malfunction
  • DTC 01253/4421 - CYL. 5 Fuel Injector CKT Malfunction
  • DTC 01257/4431 - Idle Air Control Valve
  • DTC 01262/4442 - WASTEGATE By-Pass Regulator Valve
  • DTC 65535/1111 - Control Module Malfunction
• Removal & Installation
  • ECM
    • Notes
    • Removal
    • Installation
• Wiring Diagrams