Instrument cluster (IC) diagnosis previous knowledge | |||
Function check | |||
1 | Malfunction indicator lamps | ||
2 | Coolant temperature indicator | Check temperature displayed for plausibility when engine is at operating temperature | |
3 | Fuel level indicator with reserve malfunction indicator lamp | After switching on the ignition the pointer goes to the current value without damping, then the display is shown with damping. If the fuel tank is empty or the reserve level has reached approx. 12 liters, the reserve indicator lamp comes on. Check pointer deviation for plausibility | |
4 | Outside temperature indicator display | ||
5 | Selector lever indicator display | The selector lever position is displayed by a bar in the selector lever display. Check the selector lever position engaged in the selector lever indicator for plausibility | |
6 | Trip odometer (instrument cluster with speedometer) | Press button briefly: Trip odometer is displayed Press button for longer: Trip odometer is reset to zero | |
7 | Hour counter (instrument cluster with speedometer) as of 07/95 | Press button for longer than 8 s: Hour counter is displayed Note The hour counter counts for as long as the instrument cluster is connected to the supply voltage (terminal 30). It cannot be erased or changed | |
8 | Clock (instrument cluster with speedometer) | Press button briefly: Minute pointer moves forwards one minute Press button for longer: Minute pointer runs slowly, then quickly Note Adjustment only possible counterclockwise | |
9 | Warning buzzer | With door open and ignition switched off, switch on light and/or rear fog lamp. Warning buzzer should sound |