Vehicle Electrical System Control Module, Output Diagnostic Test Mode (DTM)

Vehicle Electrical System Control Module, Output Diagnostic Test Mode (DTM)

Special tools, testers and auxiliary items required

• Vehicle Diagnostic, Testing and Information System (VAS 5051B)

• It depends on the vehicle equipment whether the components listed below can be checked.

Check the following components and functions using the output diagnostic test from the vehicle electrical system control module (J519) :

• Left parking lamp (M1) , right parking lamp (M3) , left tail lamp (M4) and right tail lamp (M2)

• Left low beam headlamp (M29) / right low beam headlamp (M31)

• Left daytime running lamp (L174) / right daytime running lamp (L175)

• Left high beam headlamp bulb (M30) / right high beam headlamp bulb (M32)

• Left Low Beam Reflector Motor (V294) / right low beam reflector motor (V295)

• Left front fog lamp (L22) / right front fog lamp (L23)

• Right back-up lamp (M17) / left back-up lamp (M16)

• Left brake lamp (M9) / right brake lamp (M10) and high-mounted brake lamp (M25)

• Left rear fog light (L46) / right rear fog light (L47)

• Left front turn signal light (M5) / left rear turn signal light (M6)

• Right front turn signal light (M7) / right rear turn signal light (M8)

• License plate light (X)

• Interior light dimmed

• Instrument illumination of all buttons and switches and of instrument cluster

• Power supply relay (terminal 30, B+) (J317)

• LED heated rear window / heated rear window

• LED for heated exterior mirror / heated exterior mirror

• Enabling - Sunroof

• Enabling of seat heater

• Fuel Pump (FP) relay (J17)

• Headlamp washer system relay (J39) / headlamp washer pump (V11)

• Front windshield wiper

• Wiper module reversing point

• Windshield washer pump (V5)

• Horn relay (J4) , high tone horn (H2) / low tone horn (H7)

• Left cornering lamp (L148) or right cornering lamp (L149)

• Heated windshield (Z2)

• Luggage compartment lock

Procedure

- Connect the (VAS 5051B).

- Select "Guided Fault Finding" in the (VAS 5051B).

- Use the GO TO button to select the "function/component selection" and the following menu options one after the other:

• Body

• Electrical Equipment

• 01 - On Board Diagnostic (OBD) capable systems

• Vehicle electrical system control module

• Functions

• Vehicle electrical system control module output diagnostic test