Control module identification
WARNING: This page does not describe the selected car, but rather 14 other vehicles, including the 2005 Volkswagen Jetta, 2004 Volkswagen Jetta, 2003 Volkswagen Jetta, 2003 Volkswagen Golf, and 2002 Volkswagen Jetta. However, it is still accessible from the selected car via links, so may be relevant.
The control module version is displayed by selecting "Diagnostic mode 9: Vehicle information" under address word 33, see DIAGNOSTIC MODE 9: VEHICLE INFORMATION (VEHICLES WITH ENGINE CODE AVH, AZG) .
Engine Control Module (ECM) equipment
ENGINE CONTROL MODULE (ECM) EQUIPMENT SPECIFICATION
| Engine Code | AEG | AVH | AZG | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| System identification | Motronic M5.9.2 | Motronic ME7.5 | Motronic ME7.5 | ||||||||
| Terminals at Engine Control Module (ECM) | 80 | 121 | 121 | ||||||||
| Emissions limits according to | LEV(1) | ULEV(2) | LEV(1) | ||||||||
| On Board Diagnostic (OBD) | OBD II | OBD II | OBD II | ||||||||
| DTC memory(3) | Permanent memory | Permanent memory | Permanent memory | ||||||||
| Memory for adaptation values(4) | Temporary memory | Temporary memory | Temporary memory) | ||||||||
| Oxygen sensor control | 2 sensors | 2 sensors | 2 sensors | ||||||||
| Knock sensor control | 2 knock sensors | 2 knock sensors | 2 knock sensors | ||||||||
| Intake manifold change-over | No | No | No | ||||||||
| Camshaft adjustment | No | No | No | ||||||||
| Boost pressure regulation | No | No | No | ||||||||
| Secondary Air Injection (AIR) system | Yes | Yes | Yes | ||||||||
| Electronic engine load regulation system | No | Yes | Yes | ||||||||
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Selectable diagnostic modes under address word 33 - OBD
NOTE:
The conditions required for selecting the desired diagnostic mode are listed in the following table:
SELECTABLE DIAGNOSTIC MODES UNDER ADDRESS WORD 33 - OBD
| Diagnostic mode | Requirement: | ||||||
|---|---|---|---|---|---|---|---|
| Selectable diagnostic modes under address word 33 - OBD |
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| Mode 1: | Check measured values | See DIAGNOSTIC MODE 1: CHECK MEASURED VALUES | Yes | Yes | Yes | ||
| Mode 2: | Checking operating conditions | See DIAGNOSTIC MODE 2: CHECKING OPERATING CONDITIONS | Yes | Yes | Yes | ||
| Mode 3: | Check DTC Memory | See DIAGNOSTIC MODE 3: CHECK DTC MEMORY | Yes(1) | Yes | Yes | ||
| Mode 4: | Reset/erase diagnostic data | See DIAGNOSTIC MODE 4: RESET/ERASE DIAGNOSTIC DATA | Yes | Yes | Yes | ||
| Mode 5: | Check output of oxygen sensor signals | See DIAGNOSTIC MODE 5: CHECK OUTPUT OF OXYGEN SENSOR SIGNALS | Yes | Yes | Yes | ||
| Mode 6: | Check test results of components that are not continuously monitored | See DIAGNOSTIC MODE 6: CHECK TEST RESULTS OF COMPONENTS THAT ARE NOT CONTINUOUSLY MONITORED | No | Yes | Yes | ||
| Mode 7: | Check test results of components that are continuously monitored | See DIAGNOSTIC MODE 7: CHECK TEST RESULTS OF COMPONENTS THAT ARE CONTINUOUSLY MONITORED | Yes(1) | Yes | Yes | ||
| Mode 8: | Tank leak test | See DIAGNOSTIC MODE 8: TANK LEAK TEST (VEHICLES WITH ENGINE CODE AVH, AZG) | No | Yes | No | ||
| Mode 9: | Vehicle information | See DIAGNOSTIC MODE 9: VEHICLE INFORMATION (VEHICLES WITH ENGINE CODE AVH, AZG) | Yes | Yes | Yes | ||
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