P54.30-2264-06
A1 Instrument cluster
A1e14 Exterior lamp failure indicator lamp
E1 Left headlamp unit
E2 Right headlamp unit
E3 Left taillamp
E4 Right taillamp
E19/1 Left license plate lamp
E19/2 Right license plate lamp
F1 Fuse and relay box
N7 Lamp monitoring unit
W1 Main ground
W2 Ground (front right)
W6 Ground (left wheelhousing in trunk)
W7 Ground (right wheelhousing in trunk)
W9 Ground (front left)
| Inspecting | ||
| Bulb failure indicator light, function | ||
1 | Switch on lights | Visual inspection | |
2 | Determine defective circuit | ||
3 | Switch off lights | Diagnosis of xenon headlamps, see Diagnosis Manual for Body. | |
4 | Check bulbs and fuses | Test for vehicles with trailer coupling: | |
Checking exterior lamp failure indicator | |||
The lamps are monitored individually by the lamp monitoring unit (N7). In the case of low power (low watt) bulbs, this may be displayed as a fault. No fault is displayed for higher power lamps. Lamps and fuses OK | |||
Check cables as per wiring diagram for open circuit, short circuit and correct connection. |
Test values for exterior lights
Number | Designation | Model 129 | ||
BE82.10-P-1004-01D | Bulb power ratings | Low beam | W | 55/60 |
Low beams (Xenon) | W | - | ||
High beam (with xenon) | W | H7 | ||
Standing / parking lamp | W | 5 | ||
Turn signal lamp/parking lamp | W | 21/5 | ||
Turn signal lamp | W | 21 | ||
Stop lamp | W | 21 | ||
Tail / parking lamp | W | 21/4 | ||
Reversing lamp | W | 21 | ||
License plate | W | 5 | ||
Fog lamp | W | H1/55 | ||
Rear fog lamp | W | 21 | ||