Service Function, Instrument Cluster System Test

Instrument Cluster System Test
The system test permits simple, visual assessment of the instrument cluster (pointer instruments, displays, lighting, warning and indicator (telltale) lamps).

These elements are:
- All pointer instruments (pointers are moved once over their indication range)
- All LC displays with a segment test and their background lighting

Indicator and warning lamps for:
- High beam
- Oil pressure (red) (ignition lock in position 2/terminal 15) or
- Oil level (yellow (ignition lock in position 1/terminal R)
- ASC
- Front/rear fog lights
- Windshield washer fluid level
- "CHECK ENGINE"
- EML (EPC) / MDK
- Coolant level
- Brake pad wear
- Tire pressure control
- Cruise control
- Belt warning
- Fuel reserve
- Coolant high temperature
- Left/right direction indicators
- Windshield washer fluid level
- Shift indicator (if automatic transmission is coded)
- Cruise control (Tempomat) cut-in
- Battery charge indicator lamp
- General brake warning lamp (at terminal 15)

Pointer instruments:
During the course of the system test, the pointer instruments are moved once continuously over their total indication range. Particular care should be taken during this test to observe whether the pointers move continuously and without jolts over their entire indication range.