Regulation No 48 of the Economic Commission for Europe of the United Nations (UN/ECE) — Uniform provisions concerning the approval of vehicles with regard to the installation of lighting and light-signalling devices
1. SCOPE
2. DEFINITIONS
2.7.1. Light source(2)
2.16. ‘Single and multiple lamps’
2.29. Colour of the light emitted from a device
W12 |
green boundary: |
y = 0,150 + 0,640 x |
W23 |
yellowish green boundary: |
y = 0,440 |
W34 |
yellow boundary: |
x = 0,500 |
W45 |
reddish purple boundary: |
y = 0,382 |
W56 |
purple boundary: |
y = 0,050 + 0,750 x |
W61 |
blue boundary: |
x = 0,310 |
|
x |
y |
W1 |
0,310 |
0,348 |
W2 |
0,453 |
0,440 |
W3 |
0,500 |
0,440 |
W4 |
0,500 |
0,382 |
W5 |
0,443 |
0,382 |
W6 |
0,310 |
0,283 |
SY12 |
green boundary: |
y = 1,290 x – 0,100 |
SY23 |
the spectral locus |
|
SY34 |
red boundary: |
y = 0,138 + 0,580 x |
SY45 |
yellowish white boundary: |
y = 0,440 |
SY51 |
white boundary: |
y = 0,940 – x |
|
x |
y |
SY1 |
0,454 |
0,486 |
SY2 |
0,480 |
0,519 |
SY3 |
0,545 |
0,454 |
SY4 |
0,521 |
0,440 |
SY5 |
0,500 |
0,440 |
A12 |
green boundary: |
y = x – 0,120 |
A23 |
the spectral locus |
|
A34 |
red boundary: |
y = 0,390 |
A41 |
white boundary: |
y = 0,790 – 0,670 x |
|
x |
y |
A1 |
0,545 |
0,425 |
A2 |
0,560 |
0,440 |
A3 |
0,609 |
0,390 |
A4 |
0,597 |
0,390 |
R12 |
yellow boundary: |
y = 0,335 |
R23 |
the spectral locus |
|
R34 |
the purple line: |
(its linear extension across the purple range of colours between the red and the blue extremities of the spectral locus) |
R41 |
purple boundary: |
y = 0,980 – x |
|
x |
y |
R1 |
0,645 |
0,335 |
R2 |
0,665 |
0,335 |
R3 |
0,735 |
0,265 |
R4 |
0,721 |
0,259 |
2.30. Night-time Colour of the light retro-reflected from a device excluding retro-reflective tires according to Regulation No 88
W12 |
blue boundary: |
y = 0,843 – 1,182 x |
W23 |
violet boundary: |
y = 0,489 x + 0,146 |
W34 |
yellow boundary: |
y = 0,968 – 1,010 x |
W41 |
green boundary: |
y = 1,442 x – 0,136 |
|
x |
y |
W1 |
0,373 |
0,402 |
W2 |
0,417 |
0,350 |
W3 |
0,548 |
0,414 |
W4 |
0,450 |
0,513 |
Y12 |
green boundary: |
y = x – 0,040 |
Y23 |
the spectral locus |
|
Y34 |
red boundary: |
y = 0,200 x + 0,268 |
Y41 |
white boundary: |
y = 0,970 – x |
|
x |
y |
Y1 |
0,505 |
0,465 |
Y2 |
0,520 |
0,480 |
Y3 |
0,610 |
0,390 |
Y4 |
0,585 |
0,385 |
A12 |
green boundary: |
y = 1,417 x – 0,347 |
A23 |
the spectral locus |
|
A34 |
red boundary: |
y = 0,390 |
A41 |
white boundary: |
y = 0,790 – 0,670 x |
|
x |
y |
A1 |
0,545 |
0,425 |
A2 |
0,557 |
0,442 |
A3 |
0,609 |
0,390 |
A4 |
0,597 |
0,390 |
R12 |
yellow boundary: |
y = 0,335 |
R23 |
the spectral locus |
|
R34 |
the purple line |
|
R41 |
purple boundary: |
y = 0,978 – x |
|
x |
y |
R1 |
0,643 |
0,335 |
R2 |
0,665 |
0,335 |
R3 |
0,735 |
0,265 |
R4 |
0,720 |
0,258 |
2.31. Daytime colour of the light reflected from a device
W12 |
violet boundary |
y = x – 0,030 |
W23 |
yellow boundary |
y = 0,740 – x |
W34 |
green boundary |
y = x + 0,050 |
W41 |
blue boundary |
y = 0,570 – x |
|
x |
y |
W1 |
0,300 |
0,270 |
W2 |
0,385 |
0,355 |
W3 |
0,345 |
0,395 |
W4 |
0,260 |
0,310 |
Y12 |
red boundary |
y = 0,534 x + 0,163 |
Y23 |
white boundary |
y = 0,910 – x |
Y34 |
green boundary |
y =1,342 x – 0,090 |
Y41 |
the spectral locus |
|
|
x |
y |
Y1 |
0,545 |
0,454 |
Y2 |
0,487 |
0,423 |
Y3 |
0,427 |
0,483 |
Y4 |
0,465 |
0,534 |
R12 |
red boundary |
y = 0,346 – 0,053 x |
R23 |
purple boundary |
y = 0,910 – x |
R34 |
yellow boundary |
y = 0,350 |
R41 |
the spectral locus |
|
|
x |
y |
R1 |
0,690 |
0,310 |
R2 |
0,595 |
0,315 |
R3 |
0,560 |
0,350 |
R4 |
0,650 |
0,350 |
2.32. Daytime colour of the fluorescent a device
FR12 |
red boundary |
y = 0,346 – 0,053 x |
FR23 |
purple boundary |
y = 0,910 – x |
FR34 |
yellow boundary |
y = 0,315 + 0,047 x |
FR41 |
the spectral locus |
|
|
x |
y |
FR1 |
0,690 |
0,310 |
FR2 |
0,595 |
0,315 |
FR3 |
0,569 |
0,341 |
FR4 |
0,655 |
0,345 |
3. APPLICATION FOR APPROVAL
4. APPROVAL
5. GENERAL SPECIFICATIONS
5.7. Grouped, combined or reciprocally incorporated lamps
5.13. Tell-tale
5.14. Concealable lamps
Main-beam headlamp: |
White |
Dipped-beam headlamp: |
White |
Front fog lamp: |
White or selective yellow |
Reversing lamp: |
White |
Direction-indicator lamp: |
Amber |
Hazard warning signal: |
Amber |
Stop lamp: |
Red |
Emergency stop signal: |
Amber or red |
Rear-end collision alert signal: |
Amber |
Rear registration plate lamp: |
White |
Front position lamp: |
White |
Rear position lamp: |
Red |
Front fog lamp |
White or selective yellow |
Rear fog lamp: |
Red |
Parking lamp: |
White in front, red at the rear, amber if reciprocally incorporated in the side direction-indicator lamps or in the side-marker lamps. |
Side-marker lamp: |
Amber; however the rearmost side- marker lamp can be red if it is grouped or combined or reciprocally incorporated with the rear position lamp, the rear end-outline marker lamp, the rear fog lamp, the stop lamp or is grouped or has part of the light-emitting surface in common with the rear retro-reflector. |
End-outline marker lamp: |
White in front, red at the rear |
Daytime running lamp: |
White |
Rear retro-reflector, non-triangular: |
Red |
Rear retro-reflector, triangular: |
Red |
Front retro-reflector, non-triangular: |
Identical to incident light(9) |
Side retro-reflector, non-triangular: |
Amber; however the rearmost side retro-reflector can be red if it is grouped or has part of the light-emitting surface in common with the rear position lamp, the rear end outline marker lamp, the rear fog lamp, the stop lamp, the red rearmost side-marker lamp or the rear retro-reflector, non-triangular. |
Cornering lamp: |
White |
Conspicuity marking: |
White to the front |
|
White or yellow to the side; |
|
Red or yellow to the rear(10) |
Adaptive front-lighting systems (AFS): |
White |
Exterior courtesy lamp: |
White |
5.16. Number of lamps
5.28. General provisions relating to Geometric Visibility
6. INDIVIDUAL SPECIFICATIONS
6.1.
Main-beam headlamp
(Regulation Nos 98 and 112)
6.1.1.
Presence
6.1.2.
Number
6.1.3.
Arrangement
6.1.4.
Position
6.1.5.
Geometric visibility
6.1.6.
Orientation
6.1.7.
Electrical connections
6.1.8.
Tell-tale
6.1.9.
Other requirements
6.2.
Dipped-beam headlamp
(Regulation Nos 98 and 112)
6.2.1.
Presence
6.2.2.
Number
6.2.3.
Arrangement
6.2.4.
Position
6.2.5.
Geometric visibility
6.2.6.
Orientation
6.2.6.1. Vertical orientation
6.2.6.2. Headlamp levelling device
6.2.6.3. Measuring procedure
6.2.6.4. Horizontal orientation
6.2.7.
Electrical connections
6.2.8.
Tell-tale
6.2.9.
Other requirements
6.3.
Front fog lamp
(Regulation No 19)
6.3.1.
Presence
6.3.2.
Number
6.3.3.
Arrangement
6.3.4.
Position
6.3.5.
Geometric visibility
6.3.6.
Orientation
6.3.6.2. Front fog lamp levelling device
6.3.7.
Electrical connections
6.3.8.
Tell-tale
6.3.9.
Other requirements
6.4.
Reversing lamp
(Regulation No 23)
6.4.1.
Presence
6.4.2.
Number
6.4.3.
Arrangement
6.4.4.
Position
6.4.5.
Geometric visibility
6.4.6.
Orientation
6.4.7.
Electrical connections
6.4.8.
Tell-tale
6.4.9.
Other requirements
6.5.
Direction-indicator lamp
(Regulation No 6)
6.5.1.
Presence
(see figure below)
6.5.2.
Number
6.5.3.
Arrangements
(see figure below)
6.5.4.
Position
6.5.4.3. In length (see figure below)
6.5.5.
Geometric visibility
6.5.5.1. Horizontal angles (see figure below)
Figure
(see paragraph 6.5)
6.5.6.
Orientation
6.5.7.
Electrical connections
6.5.8.
Tell-tale
6.5.9.
Other requirements
6.6.
Hazard warning signal
6.6.1.
Presence
6.6.2.
Number
6.6.3.
Arrangement
6.6.4.
Position
6.6.5.
Geometric visibility
6.6.6.
Orientation
6.6.7.
Electrical connections
6.6.8.
Tell-tale
6.6.9.
Other requirements
6.7.
Stop lamp
(Regulation No 7)
6.7.1.
Presence
6.7.2.
Number
6.7.3.
Arrangement
6.7.4.
Position
6.7.5.
Geometric visibility
6.7.6.
Orientation
6.7.7.
Electrical connections
6.7.8.
Tell-tale
6.7.9.
Other requirements
6.8.
Rear registration plate lamp
(Regulation No 4)
6.8.1.
Presence
6.8.2.
Number
6.8.3.
Arrangement
6.8.4.
Position
6.8.5.
Geometric visibility
6.8.6.
Orientation
6.8.7.
Electrical connections
6.8.8.
Tell-tale
6.8.9.
Other requirements
6.9.
Front position lamp
(Regulation No 7)
6.9.1.
Presence
6.9.2.
Number
6.9.3.
Arrangement
6.9.4.
Position
6.9.5.
Geometric visibility
6.9.6.
Orientation
6.9.7.
Electrical connections
6.9.8.
Tell-tale
6.9.9.
Other requirements
6.10.
Rear position lamp
(Regulation No 7)
6.10.1.
Presence
6.10.2.
Number
6.10.3.
Arrangement
6.10.4.
Position
6.10.5.
Geometric visibility
6.10.6.
Orientation
6.10.7.
Electrical connections
6.10.8.
Tell-tale
6.10.9.
Other requirements
6.11.
Rear fog lamp
(Regulation No 38)
6.11.1.
Presence
6.11.2.
Number
6.11.3.
Arrangement
6.11.4.
Position
6.11.5.
Geometric visibility
6.11.6.
Orientation
6.11.7.
Electrical connections
6.11.8.
Tell-tale
6.11.9.
Other requirements
6.12.
Parking lamp
(Regulation No 77 or 7)
6.12.1.
Presence
6.12.2.
Number
6.12.3.
Arrangement
6.12.4.
Position
6.12.5.
Geometric visibility
6.12.6.
Orientation
6.12.7.
Electrical connections
6.12.8.
Tell-tale
6.12.9.
Other requirements
6.13.
End-outline marker lamp
(Regulation No 7)
6.13.1.
Presence
6.13.2.
Number
6.13.3.
Arrangement
6.13.4.
Position
6.13.5.
Geometric visibility
6.13.6.
Orientation
6.13.7.
Electrical connections
6.13.8.
Tell-tale
6.13.9.
Other requirements
6.14.
Rear retro-reflector, non-triangular
(Regulation No 3)
6.14.1.
Presence
6.14.2.
Number
6.14.3.
Arrangement
6.14.4.
Position
6.14.5.
Geometric visibility
6.14.6.
Orientation
6.14.7.
Other requirements
6.15.
Rear retro-reflector, triangular
(Regulation No 3)
6.15.1.
Presence
6.15.2.
Number
6.15.3.
Arrangement
6.15.4.
Position
6.15.5.
Geometric visibility
6.15.6.
Orientation
6.15.7.
Other requirements
6.16.
Front retro-reflector, non-triangular
(Regulation No 3)
6.16.1.
Presence
6.16.2.
Number
6.16.3.
Arrangement
6.16.4.
Position
6.16.5.
Geometric visibility
6.16.6.
Orientation
6.16.7.
Other requirements
6.17.
Side retro-reflector, non-triangular
(Regulation No 3)
6.17.1.
Presence
6.17.2.
Number
6.17.3.
Arrangement
6.17.4.
Position
6.17.5.
Geometric visibility
6.17.6.
Orientation
6.17.7.
Other requirements
6.18.
Side-marker lamps
(Regulation No 91)
6.18.1.
Presence
6.18.2.
Minimum number per side
6.18.3.
Arrangement
6.18.4.
Position
6.18.5.
Geometric visibility
6.18.6.
Orientation
6.18.7.
Electrical connections
6.18.8.
Tell-tale
6.18.9.
Other requirements
6.19.
Daytime running lamp
(Regulation No 87)(17)
6.19.1.
Presence
6.19.2.
Number
6.19.3.
Arrangement
6.19.4.
Position
6.19.5.
Geometric visibility
6.19.6.
Orientation
6.19.7.
Electrical connections
6.19.8.
Tell-tale
6.19.9.
Other prescriptions
6.20.
Cornering lamp
(Regulation No 119)
6.20.1.
Presence
6.20.2.
Number
6.20.3.
Arrangement
6.20.4.
Position
6.20.5.
Geometric visibility
6.20.6.
Orientation
6.20.7.
Electrical connections
6.20.8.
Tell-tale
6.20.9.
Other requirements
6.21.
Conspicuity markings
(Regulation No 104)
6.21.1.
Presence
6.21.2.
Number
6.21.3.
Arrangement
6.21.4.
Position
6.21.4.1. Width
6.21.4.2. Length
6.21.4.3. Height
6.21.4.3.1. Line markings and contour markings lower element(s)
6.21.5.
Visibility
6.21.6.
Orientation
6.21.7.
Other requirements
6.22.
Adaptive front lighting system (AFS)
(Regulation No 123)
6.22.1.
Presence
6.22.2.
Number
6.22.3.
Arrangement
6.22.4.
Position
Figure
Apparent surfaces of lighting units 1 through 11 of an AFS (example)
6.22.5.
Geometric visibility
6.22.6.
Orientation
6.22.6.2. Headlamp levelling device
6.22.7.
Electrical connections
6.22.8.
Tell-tale
6.22.9.
Other requirements
6.22.9.2. Verification of compliance with AFS automatic operating requirements
6.23.
Emergency stop signal
6.23.1.
Presence
6.23.2.
Number
6.23.3.
Arrangement
6.23.4.
Position
6.23.5.
Geometric visibility
6.23.6.
Orientation
6.23.7.
Electrical connections
6.23.8.
Tell-tale
6.23.9.
Other requirements
6.24.
Exterior courtesy lamp
6.24.1.
Presence
6.24.2.
Number
6.24.3.
Arrangement
6.24.4.
Position
6.24.5.
Geometric visibility
6.24.6.
Orientation
6.24.7.
Electrical connections
6.24.8.
Tell-tale
6.24.9.
Other requirements
6.25.
Rear-end collision alert signal
6.25.1.
Presence
6.25.2.
Number
6.25.3.
Arrangement
6.25.4.
Position
6.25.5.
Geometric visibility
6.25.6.
Orientation
6.25.7.
Electrical connections
Vr |
activation |
Vr > 30 km/h |
TTC ≤ 1,4 |
Vr ≤ 30 km/h |
TTC ≤ 1,4/30 × Vr |
6.25.8.
Tell-tale
7. MODIFICATIONS AND EXTENSIONS OF APPROVAL OF THE VEHICLE TYPE OR OF THE INSTALLATION OF ITS LIGHTING AND LIGHT-SIGNALLING DEVICES
8. CONFORMITY OF PRODUCTION
9. PENALTIES FOR NON-CONFORMITY OF PRODUCTION
10. PRODUCTION DEFINITELY DISCONTINUED
11. NAMES AND ADDRESSES OF TECHNICAL SERVICES RESPONSIBLE FOR CONDUCTING APPROVAL TESTS AND OF ADMINISTRATIVE DEPARTMENTS
12. TRANSITIONAL PROVISIONS
ANNEX 1
COMMUNICATION
(Maximum format: A4 (210 × 297 mm))
ANNEX 2
ARRANGEMENTS OF APPROVAL MARKS
MODEL A
(See paragraph 4.4 of this Regulation)
MODEL B
(See paragraph 4.5 of this Regulation)
ANNEX 3
EXAMPLES OF LAMP SURFACES, AXES, CENTRES OF REFERENCE, AND ANGLES OF GEOMETRIC VISIBILITY
1. |
Illuminating surface |
2. |
Axis of reference |
3. |
Centre of reference |
4. |
Angle of geometric visibility |
5. |
Light-emitting surface |
6. |
Apparent surface based on the illuminating surface |
7a. |
Apparent surface based on the light-emitting surface according to paragraph 2.8.a (with outer lens) |
7b. |
Apparent surface based on the light-emitting surface according to paragraph 2.8.b (without outer lens) |
8. |
Direction of visibility |
IO |
Inner optical part |
LG |
Light guide |
L |
Outer lens |
R |
Reflector |
S |
Light source |
X |
Not part of this function |
F1 |
Function one |
F2 |
Function two |
PART 1
Light-emitting surface of a light-signalling device other than a retro-reflector
PART 2
Illuminating surface of a light-signalling device other than a retro-reflector
PART 3
Examples of apparent surface based on illuminating surface in different directions of geometric visibility
PART 4
Examples of apparent surface based on light-emitting surface in different directions of geometric visibility
PART 5
Example of illuminating surface in comparison with light-emitting surface in the case of a ‘single function lamp’ (see paragraphs 2.8 to 2.9 of this Regulation)
Example 1 [Bild bitte in Originalquelle ansehen] |
Example 2 [Bild bitte in Originalquelle ansehen] |
Example 3 [Bild bitte in Originalquelle ansehen] |
Example 4 [Bild bitte in Originalquelle ansehen] |
Example 5 [Bild bitte in Originalquelle ansehen] |
Example 6 [Bild bitte in Originalquelle ansehen] |
Example 7
Example 8
Example 9
PART 6
Examples showing the determination of the light-emitting surface in comparison with illuminating surface (see paragraphs 2.8 and 2.9 of this Regulation)
Example A
Example B
Example C
Example D
Example E
PART 7
Examples to enable a decision regarding the reciprocal incorporation of two functions
ANNEX 4
VISIBILITY OF A RED LAMP TO THE FRONT AND VISIBILITY OF A WHITE LAMP TO THE REAR
(See paragraphs 5.10.1 and 5.10.2 of this Regulation)
Figure 1
Figure 2
ANNEX 5
States of loading to be taken into consideration in determining variations in the vertical orientation of the dipped-beam headlamps
ANNEX 6
MEASUREMENT OF THE VARIATION OF DIPPED-BEAM INCLINATION AS A FUNCTION OF LOAD
1. SCOPE
2. DEFINITIONS
2.1. Initial inclination
2.1.1. Stated initial inclination
2.1.2. Measured initial inclination
2.2. Dipped-beam inclination
Figure
Dipped-beam downward inclination of a category M
1
vehicle
3. MEASUREMENT CONDITIONS
4. VEHICLE PREPARATION
5. TEST PROCEDURE
5.1. General
5.2. Determination of the measured initial inclination
5.3. Measurement methods
5.4. Treatment of vehicle in each loading condition
5.4.1. M
1
category vehicles with conventional suspension
5.4.2. M
2
, M
3
and N category vehicles with conventional suspension
5.5. Measurements
ANNEX 7
INDICATION OF THE DOWNWARD INCLINATION OF THE DIPPED BEAM HEADLAMPS CUT-OFF REFERRED TO IN PARAGRAPH 6.2.6.1.1 AND DOWNWARD INCLINATION OF THE FRONT FOG LAMP CUT-OFF REFERRED TO IN PARAGRAPH 6.3.6.1.2 OF THIS REGULATION
Example 1
Example 2
ANNEX 8
THE CONTROLS FOR THE HEADLAMP-LEVELLING DEVICES REFERRED TO IN PARAGRAPH 6.2.6.2.2 OF THIS REGULATION
1. SPECIFICATIONS
Symbols employing five lines instead of four may also be used
Example 1
Example 2
Example 3
ANNEX 9
CONTROL OF CONFORMITY OF PRODUCTION
1. TESTS
1.1. Position of lamps
1.2. Visibility of lamps
1.3. Alignment of dipped-beam headlamps and class ‘F3’ front fog lamps towards the front
1.3.1. Initial downward inclination
1.3.2. Variation of inclination with load
0,2 per cent to 2,8 per cent |
for headlamp mounting height h < 0,8; |
0,2 per cent to 2,8 per cent |
for headlamp mounting height 0,8 ≤ h ≤ 1; or |
0,7 per cent to 3,3 per cent |
(according to the aiming range chosen by the manufacturer at the approval); |
0,7 per cent to 3,3 per cent |
for headlamp mounting height 1 < h ≤ 1,2 m; |
1,2 per cent to 3,8 per cent |
for headlamp mounting height h > 1,2 m. |
0,7 per cent to 3,3 per cent |
for front fog lamp mounting height h ≤ 0,8 m; |
1,2 per cent to 3,8 per cent |
for front fog lamp mounting height h > 0,8 m |
1.4. Electrical connections and tell-tales
1.5. Light intensities
1.5.1. Main-beam headlamps
ANNEX 10
EXAMPLES OF LIGHT SOURCE OPTIONS
ANNEX 11
VISIBILITY OF CONSPICUITY MARKINGS TO THE REAR, FRONT AND SIDE OF A VEHICLE
(See paragraph 6.21.5 of this Regulation)
Figure 1a
Rear
Figure 1b
Front (trailers only)
Figure 2
Side
ANNEX 12
Automatic Switching Conditions Dipped-Beam Headlamps(1) |
||
Ambient light outside the vehicle(2) |
Dipped-beam headlamps |
Response time |
less than 1 000 lux |
ON |
no more than 2 seconds |
between 1 000 lux and 7 000 lux |
at manufacturer’s discretion |
at manufacturer’s discretion |
more than 7 000 lux |
OFF |
more than 5 seconds, but no more than 300 seconds |