Nissan Terrano model r20 series 2004. Manual — part 384
Trouble Diagnoses
DAYTIME LIGHT UNIT INSPECTION TABLE
Terminal No.
Wire color
Connections
Operated condition
Voltage (V) (Approxi-
mate values)
1
LG/R
Power source for illu-
mination & tail lamp
—
12
2
GY/L
Alternator “L” terminal
Engine
Running
12
Stopped
0
3
R/L
Lighting switch
1ST
⋅
2ND position
12
OFF
0
5
GY/L
Power source for head-
lamp LH
—
12
6
R/L
Illumination & tail lamp
ON (daytime light operating*)
12
OFF
0
7
R
Power source for head-
lamp RH
—
12
8
B/W
Start signal
Ignition switch
START
12
ON, ACC or OFF
0
9
R/Y
Headlamp LH
ON (daytime light operating*)
12
OFF
0
10
B
Ground
—
0
11
G
Headlamp RH
ON (daytime light operating*)
12
OFF
0
12
B/W
Power source
Ignition switch
ON or START
12
ACC or OFF
0
*: Daytime light operating: Lighting switch in “OFF” position with engine running.
HEADLAMP — Daytime Light System —
EL-40
Description
I
The vertical direction of the headlamp projection can be adjusted from inside the vehicle to prevent the
headlamp beam axis from facing upward due to a change in the number of occupants and load conditions
in the vehicle.
I
A little Electronic Control Unit (ECU) is incorporated in each actuator (one for each headlamp), which
compares a signal voltage (V
signal
), coming from the headlamp aiming switch, with battery voltage (12V).
The signal voltage varies with the position of the switch.
Related to the difference in voltage the actuator rod will move more or less and adjust the headlamp beam
angle accordingly.
EEL018
HEADLAMP — Headlamp Aiming Control —
EL-41
Replacing Headlamp Aiming Actuator
Headlamp aiming actuator can not be disassembled.
To remove aiming actuator, turn it 90° to the center of the vehicle
(left and right symmetrical) and pull outward.
EEL017
EEL019
HEADLAMP — Headlamp Aiming Control —
Description (Cont’d)
EL-42
Wiring Diagram — H/AIM —
YEL068D
HEADLAMP — Headlamp Aiming Control —
EL-43
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