Initial Inspection and Diagnostic Overview
Vehicle Electrical System Output Diagnostic Test Mode
The following components of Vehicle Electrical System Control Module can be checked via output Diagnostic Test Mode (DTM):
• Right Low Beam Headlamp (M31), for vehicles with gas-discharge lamps Right High Intensity Gas Discharge (HID) Lamp (L14)
• Right High Beam Headlamp (M32), for vehicles with gas-discharge lamps Right Headlamp Reflector Adjustment Solenoid (N396)
• Left Low Beam Headlamp (M29), for vehicles with gas-discharge lamps Left High Intensity Gas Discharge (HID) Lamp (L13)
• Left High Beam Headlamp (M30), for vehicles with gas-discharge lamps Left Headlamp Reflector Adjustment Solenoid (N395)
• Left Parking Lamp (M1)
• Right Parking Lamp (M3)
• Left Front Turn Signal Lamp (M5) and Left Rear Turn Signal Lamp (M6)
• Right Front Turn Signal Lamp (M7) and Right Rear Turn Signal Lamp (M8)
• Left Front Fog Lamp (L22) and Right Front Fog Lamp (L23)
• Only in vehicles with gas-discharge lamps Right High Beam Headlamp (M32) and Left High Beam Headlamp (M30)
• Relay for headlamp cleaning system (J39) and Headlamp Washer Pump (V11)
• Indicator lamp for emergency flasher system (K6)
• High Tone Horn (H2) and Low Tone Horn (H7)
• Left Front Footwell Illumination (L151), Right Front Footwell Illumination (L152), Left Rear Footwell Illumination (L106) and Right Rear Footwell Illumination (L107)
• Windshield and Rear Window Washer Pump (V59)
- Connect Vehicle Diagnosis, Testing and Information System (VAS 5051A).
- In Vehicle Diagnostic, Testing and Information System (VAS 5051A), select operating mode "Guided Fault Finding ".
- Using the "Go To" button, select "Functions/Component selection" and the following menu options in sequence:
• Body
• Electrical Equipment
• 01 - On Board Diagnostic (OBD) capable systems
• Vehicle Electrical System Control Module
• Functions of Vehicle Electrical System Control Module
• Output Diagnostic Test Mode (DTM) of Vehicle Electrical System Control Module