 |
Test scope |
Test connection |
Test condition |
Nominal value |
Possible cause/Remedy |
| 1.0 |
Left low beam Xenon headlamp
(E1e8)
Voltage at illumination control module (N7-1)
Models 208, 210
|
 
|
|
N7-1
F8
|
Remove fuse (N7-1 F8) and
check voltage using rest current maintenance unit.
Low beam: ON
|
11 - 14 V
|
Wiring,
(N7-1),
1.1
|
| 1.1 |
Voltage and amperage at illumination
control
module (N7-1) |
N7-1
F8
|
Inductive
pickup
|
N7-1
F8
N7-1
F8
|
Remove fuse (N7-1 F8).
Review Figure 1 and attach multimeters and test cables as shown.
 CAUTION!
Observe multimeter amps reading when switching on low beam.
Low beam: ON
After approx. 30 seconds measure voltage (U) and amps (I), then
calculate wattage (P).
|
40±5W
(P = U x I) |
A brief amp flow is noted
only when first switching on:
Xenon headlamp (D2R, 35W)1) 2).
Wattage < 35W or > 45W:
Xenon headlamp control
module (E1n1) with Xenon headlamp ignition
module (E1n2)2). |
| 2.0 |
Right low beam Xenon headlamp
(E2e8)
Voltage at illumination control module (N7-1)
Models 208, 210
|
|
|
N7-1
F6
|
Remove fuse (N7-1 F6) and
check voltage using rest current maintenance unit.
Low beam: ON
|
11 - 14 V
|
Wiring,
(N7-1),
2.1
|
| 2.1 |
Voltage and amperage at illumination
control module (N7-1) |
N7-1
F6
|
Inductive
pickup
|
N7-1
F6
N7-1
F6
|
Remove fuse (N7-1 F6).
Review Figure 1 and attach multimeters and test cables as shown.
CAUTION!
Observe multimeter amps reading when switching on low beam.
Low beam: ON
After approx. 30 seconds measure voltage (U) and amps (I), then
calculate wattage (P).
|
40±5W
(P = U x I) |
A brief amp flow is noted
only when first switching on:
Xenon headlamp (D2R, 35W)1) 2).
Wattage < 35W or > 45W:
Xenon headlamp control
module (E2n1) with Xenon headlamp ignition
module (E2n2) 2). |
| 3.0 |
Left low beam Xenon headlamp
(E1e8)
Voltage at fuse and relay box (F1).
Model 202
|
|
|
F1
f34
|
Remove fuse (F1f34) and check
voltage using rest current maintenance unit.
Low beam: ON
|
11 - 14 V
|
Wiring,
1.1
|
| 3.1 |
Voltage and amperage at fuse
and relay box (F1).
|
F1
f34
|
Inductive
pickup
|
F1
f34
F1
f34
|
Remove fuse (F1f34).
Review Figure 1 and attach multimeters and test cables as shown.
CAUTION!
Observe multimeter amps reading when switching on low beam.
Low beam: ON
After approx. 30 seconds measure voltage (U) and amps (I), then
calculate wattage (P).
|
40±5W
(P = U x I) |
A brief amp flow is noted
only when first switching on:
Xenon headlamp (D2R, 35W)1) 2).
Wattage < 35W or > 45W:
Xenon headlamp control
module (E1n1) with Xenon headlamp ignition
module (E1n2)2). |
| 4.0 |
Right low beam Xenon headlamp
(E2e8)
Voltage at Fuse and relay box (F1).
Model 202
|
|
|
F1
f33
|
Remove fuse (F1f33) and check
voltage using rest current maintenance unit.
Low beam: ON
|
11 - 14 V
|
Wiring,
(N7-1),
2.1
|
| 4.1 |
Voltage and amperage at fuse
and relay box (F1). |
F1
f33
|
Inductive
pickup
|
F1
f33
F1
f33
|
Remove fuse (N7-1 F6).
Review Figure 1 and attach multimeters and test cables as shown.
CAUTION!
Observe multimeter amps reading when switching on low beam.
Low beam: ON
After approx. 30 seconds measure voltage (U) and amps (I), then
calculate wattage (P).
|
40±5W
(P = U x I) |
A brief amp flow is noted
only when first switching on:
Xenon headlamp (D2R, 35W)1) 2).
Wattage < 35W or > 45W:
Xenon headlamp control
module (E2n1) with Xenon headlamp ignition
module (E2n2) 2). |
Printable
version
