Nissan Altima HL32 Hybrid. Manual — part 402
EXL-8
< FUNCTION DIAGNOSIS >
HEADLAMP (HALOGEN TYPE)
Component Description
INFOID:0000000004216357
LOW BEAM OPERATION
When the lighting switch is in 2ND position, the BCM receives input requesting the headlamps to illuminate.
This input is communicated to the IPDM E/R across the CAN communication lines. The CPU of the IPDM E/R
controls the headlamp low relay coil which supplies power to the low beam headlamps.
HIGH BEAM OPERATION/FLASH-TO-PASS OPERATION
With the lighting switch in the 2ND position and placed in HIGH position, the BCM receives input requesting
the headlamp high beams to illuminate. The flash to pass feature can be used any time and also sends a sig-
nal to the BCM. This input is communicated to the IPDM E/R across the CAN communication lines. The CPU
of the combination meter controls the ON/OFF status off the HIGH BEAM indicator. The CPU of the IPDM E/R
controls the headlamp high relay coil which supplies power to the high beam headlamps.
The combination meter receives a high beam request signal (ON) through the CAN communication lines and
turns the high beam indicator lamp ON.
COMBINATION SWITCH READING FUNCTION
AUTO LIGHT OPERATION
1.
IPDM E/R E17, E18, E200
2.
BCM M16, M17, M18, M19 (view with
instrument panel removed)
3.
Combination switch M28
4.
Combination meter M24
![](/vehicles/gon/sttello/nita/rocarairor.png)
DAYTIME RUNNING LIGHT SYSTEM
EXL-9
< FUNCTION DIAGNOSIS >
C
D
E
F
G
H
I
J
K
M
A
B
EXL
N
O
P
DAYTIME RUNNING LIGHT SYSTEM
System Diagram
INFOID:0000000004216358
System Description
INFOID:0000000004216359
The headlamp system for Canada vehicles is equipped with a daytime light control unit that activates the high
beam headlamps at approximately half illumination whenever the hybrid system is operating. If the parking
brake is applied before the hybrid system is started the daytime lights will not be illuminated. The daytime
lights will illuminate once the parking brake is released. Thereafter, the daytime lights will continue to operate
when the parking brake is applied.
AWLIA0010GB
![](/vehicles/gon/sttello/nita/kovey.png)
EXL-10
< FUNCTION DIAGNOSIS >
DAYTIME RUNNING LIGHT SYSTEM
Component Parts Location
INFOID:0000000004216360
⇐: Front
Component Description
INFOID:0000000004216361
After starting the hybrid system with the parking brake released and the lighting switch in the OFF or 1ST posi-
tion, the headlamp high beam automatically turns on. With the lighting switch in the 2nd position or with auto-
lamps ON, the headlamps function the same as conventional light systems.
1.
IPDM E/R E17, E18, E200, E201
2.
Daytime running light relay E3 (view
with engine room in-line connectors
disconnected and positioned aside)
3.
BCM M16, M17, M18, M19 (view with
instrument panel removed)
4.
Combination switch M28
5.
Combination meter M24
6.
Parking brake switch E35
AWNIA0931ZZ
![](/vehicles/gon/sttello/nita/zat.png)
DAYTIME RUNNING LIGHT SYSTEM
EXL-11
< FUNCTION DIAGNOSIS >
C
D
E
F
G
H
I
J
K
M
A
B
EXL
N
O
P
OPERATION
The BCM monitors inputs from the parking brake switch and the combination switch to determine when to acti-
vate the daytime light system. The BCM sends a daytime light request to the IPDM E/R via the CAN commu-
nication lines. The IPDM E/R grounds the daytime light relay which in turn, provides power to the ground side
of the RH high beam lamp. Power flows backward throught the RH high beam lamp to the IPDM E/R, through
the high beam fuses, through the LH high beam lamp circuit to the LH high beam lamp and on to ground. The
high beam lamps are wired in series which causes them to illuminate at a reduced intensity.
• Hi: "HIGH BEAM" position
• Lo: "LOW BEAM" position
• P: "FLASH TO PASS" position
•
×: Lamp "ON"
• –: Lamp "OFF"
• z: Lamp dims. (Added functions)
• *: When starting the engine with the parking brake released, the daytime lights will operate.
When starting the engine with the parking brake pulled, the daytime lights will not operate.
Engine
With engine stopped
With engine running
Lighting switch
OFF 1ST 2ND OFF 1ST 2ND
Hi
Lo
P
Hi
Lo
P
Hi
Lo
P
Hi
Lo
P
Hi
Lo
P
Hi
Lo
P
Headlamp
High beam
–
–
–
–
–
×
×
–
×
z
*
z
*
×
z
*
z
*
×
×
–
×
Low beam
–
–
–
–
–
×
×
×
×
–
–
×
–
–
×
×
×
×
Tail lamp
–
–
–
×
×
×
×
×
×
–
–
–
×
×
×
×
×
×
License and instrument illumina-
tion lamp
–
–
–
×
×
×
×
×
×
–
–
–
×
×
×
×
×
×
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