Hyundai Santa Fe (2006 year). Manual — part 191
AUTO LIGHTING CONTROL SYSTEM
BE -225
COMPONENT LOCATION
EFCEC781
1
5*
3*
2
4
1. Auto light sensor unit
2. Head lamps
3. Lighting switch (Auto)
4. Tail lamps
5. Body control module
The parts with asterisk(*) :
This illustration shows the LHD type.
RHD type is symmetrical.
SCMBE6514L
BE -226
BODY ELECTRICAL SYSTEM
CIRCUIT DIAGRAM
ED5E07FD
Auto light sensor
BCM
7
6
8
13
12
26
+5V
Signal
Ground
6. Sensor signal
7. Vcc (+5V)
8. Sensor ground
[Autolight unit connector]
1
2
3
4
5
6
7
8
SCMBE6515L
AUTO LIGHTING CONTROL SYSTEM
BE -227
AUTO LIGHT SWITCH
INSPECTION
E0BF4EBE
1.
Operate the auto light switch, then check for continuity
between terminals of 18P multi - function switch con-
nector.
[LHD]
3
4
5
6
7
8
9
2
1
12 13 14 15 16 17 18
11
10
SCMBE6512D
[RHD]
3
4
5
6
7
8
9
2
1
12 13 14 15 16 17 18
11
10
SCMBE6512R
14(13)
OFF
I
II
AUTO
15(14)
16(15)
17(16)
Terminal
Position
( ) : RHD
SCMBE6513L
BE -228
BODY ELECTRICAL SYSTEM
AUTO LIGHT SENSOR
INSPECTION
E0BEF93A
While operating the auto light switch, check if the opera-
tions are normal as shown in the timing chart.
1.
Auto light sensor value is always read at IGN ON.
2.
Light is turned ON after 2.5sec±0.2sec when auto
light sensor value is same as light ON input value.
3.
Light is turned OFF after 2.5sec±0.2sec when sensor
value is same as light OFF input value.
4.
Tail lamp and head lamp are turned ON when sensor
value is same as tail lamp ON input value.
5.
Light ON value of sensor is based on the below table.
6.
Head lamp signal is output when head lamp switch is
ON. After head lamp is turned OFF, head lamp signal
output is immediately stopped if head lamp OFF lumi-
nance condition is met at auto light switch ON.
TAIL LAMP, AV
LAMP
HEAD LAMP
(low beam)
ON
1.77V ± 0.08V
0.63V ± 0.06V
OFF
3.47V ± 0.10V
1.02V ± 0.06V
ON
AUTO SW
OFF
ON
TAIL ON SIG
OFF
T1
T2
ON
H/LAMP
ON SIG
OFF
T2
T2
TAIL
signal
output
ON
OFF
T2
T1
T1
H/LAMP
ON
signal output
OFF
ETRF141X
T1 : 2.5 ± 0.2 sec
T2 : 2.5 ± 0.2 sec.
REPLACEMENT
EF6FDFE7
1.
Disconnect the negative (-) battery terminal.
2.
Remove the Photo & auto light sensor (B) using
screw (-) driver.
B
A
C
Power(5V)
Ground
Voltage output(V)
SCMBE6510L
3.
Remove the auto light connector (C).
4.
Installation is the reverse of removal.
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