On Board Diagnostic (OBD), Technical Data

On Board Diagnostic (OBD), Technical Data

Control module identification
The control module version is displayed by selecting "Diagnostic mode 9: Vehicle information" is selected.

Equipment of Engine Control Module (ECM)

Equipment of Transmission Control Module (TCM)

Selectable diagnostic modes under address word 33 - OBD.

Engine Control Module (ECM) equipment

Engine Code AXQ, BHX
System identification Motronic ME7.1.1
Terminals at Engine Control Module (ECM) 121
Emissions limiting values according to LEV1)
On Board Diagnostic (OBD) OBD II
DTC memory Permanent memory2)
Memory for adaptation values Temporary memory3)
Oxygen sensor control 4 sensors
Knock sensor control 2 knock sensors
Intake manifold change-over Yes
Camshaft adjustment Yes
Exhaust Gas Recirculation (EGR) system No
Boost pressure regulation No
Secondary Air Injection (AIR) system Yes
Electronic engine power control (E-gas) Yes

1) LEV = Low Emission Vehicles (emission values max. 0.075 g/mi HC)
2) Independent of voltage supply.
3) Values are lost when voltage supply is interrupted.

Equipment of Transmission Control Module (TCM)

Transmission code FCS, GLH
System identification AL 750-6Q
Terminals at Transmission Control
Module (TCM) 52
On Board Diagnostic (OBD) OBD II
DTC memory Permanent memory1)
Memory for adaptation values Temporary memory2)

1) Independent of voltage supply.
2) Values are lost when voltage supply is interrupted.

Selectable diagnostic modes under address word 33 - OBD

NOTE: The conditions required for selecting the desired diagnostic mode are listed in the following table: