Infiniti EX35. Manual — part 743
EXL-16
< FUNCTION DIAGNOSIS >
[XENON TYPE]
AUTO LIGHT SYSTEM
Component Description
INFOID:0000000003135263
Part
Description
BCM
• Judges each switch condition by the combination switch reading function.
• Judges the outside brightness from the optical sensor signal.
• Judges the OFF timing according to the vehicle condition.
• Judges the ON/OFF status of the exterior lamp and each illumination according to the
outside brightness and the vehicle condition.
Requests ON/OFF of each relay to IPDM E/R (with CAN communication).
IPDM E/R
Controls the integrated relay, and supplies voltage to the load according to the request
from BCM (with CAN communication).
Combination switch
(Lighting & turn signal switch)
Optical sensor
.
DAYTIME RUNNING LIGHT SYSTEM
EXL-17
< FUNCTION DIAGNOSIS >
[XENON TYPE]
C
D
E
F
G
H
I
J
K
M
A
B
EXL
N
O
P
DAYTIME RUNNING LIGHT SYSTEM
System Diagram
INFOID:0000000003135264
System Description
INFOID:0000000003135265
OUTLINE
• Turns the front fog lamp ON as the daytime running light.
• Daytime running light is controlled by daytime running light control function and combination switch reading
function of BCM, and relay control function of IPDM E/R.
DAYTIME RUNNING LIGHT OPERATION
• BCM detects the combination switch condition by the combination switch reading function.
• BCM detects the vehicle condition depending on the following signals.
- Engine condition signal (received from ECM with CAN communication)
- Parking brake switch signal (received from unified meter and A/C amp. with CAN communication)
• BCM transmits the front fog light request signal to IPDM E/R with CAN communication according to the day-
time running light ON condition.
Daytime running light ON condition
- While the engine running with the parking brake released
Daytime running light OFF condition
- Engine stopped
- Headlamp ON (Passing included)
• IPDM E/R turns the integrated front fog lamp relay ON and turns the front fog lamp ON according to the front
fog light request signal.
JPLIA0006GB
EXL-18
< FUNCTION DIAGNOSIS >
[XENON TYPE]
DAYTIME RUNNING LIGHT SYSTEM
Component Parts Location
INFOID:0000000003135266
Component Description
INFOID:0000000003135267
1.
Daytime running light
(Front fog lamp)
2.
Combination switch
3.
BCM
4.
IPDM E/R
5.
ECM
6.
Unified meter and A/C amp.
A.
Dash side lower (Passenger side)
B.
Engine room dash panel (RH)
C.
Behind the glove box
D.
Behind the cluster lid C
JPLIA0944ZZ
Part
Description
BCM
• Judges each switch condition with the combination switch reading function.
• Judges the headlamp ON/OFF status according to the vehicle condition. Requests
the front fog lamp relay ON to IPDM E/R (with CAN communication).
IPDM E/R
Controls the integrated relay and supplies voltage to the load according to the request
from BCM (with CAN communication).
DAYTIME RUNNING LIGHT SYSTEM
EXL-19
< FUNCTION DIAGNOSIS >
[XENON TYPE]
C
D
E
F
G
H
I
J
K
M
A
B
EXL
N
O
P
Combination switch
(Lighting & turn signal switch)
Refer to
.
ECM
Transmits the engine condition signal to BCM with CAN communication.
Unified meter and A/C amp.
Transmits the parking brake switch signal to BCM with CAN communication.
Part
Description
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