Nissan X-Trail 32. Manual — part 1147
SYSTEM
EXL-45
< SYSTEM DESCRIPTION >
[LED HEADLAMP]
C
D
E
F
G
H
I
J
K
M
A
B
EXL
N
O
P
FRONT FOG LAMP SYSTEM : Circuit Diagram
INFOID:0000000010788766
FRONT FOG LAMP SYSTEM : Fail-safe
INFOID:0000000010788767
FAIL-SAFE CONTROL BY DTC
IPDM E/R performs fail-safe control when any DTC are detected.
JMLIA5356GB
EXL-46
< SYSTEM DESCRIPTION >
[LED HEADLAMP]
SYSTEM
CAN COMMUNICATION CONTROL
When CAN communication with BCM is impossible, IPDM E/R performs fail-safe control. After CAN communi-
cation recovers normally, it also returns to normal control.
If No CAN Communication Is Available With BCM
REAR FOG LAMP SYSTEM
REAR FOG LAMP SYSTEM : System Description
INFOID:0000000010788768
SYSTEM DIAGRAM
OUTLINE
Rear fog lamp is controlled with the combination switch reading function and the rear fog lamp control function
of BCM.
REAR FOG LAMP OPERATION
• BCM detects the condition of the combination switch by the combination switch reading function.
• BCM supplies voltage to rear fog lamp according to the rear fog lamp ON condition.
Rear fog lamp ON condition
- Rear fog lamp switch is turned from OFF to ON, and any of the following conditions are satisfied.
• Headlamp ON
• Front fog lamp ON
• Lighting switch AUTO (Only when the illumination judgment by auto light system is ON. For details, refer to
EXL-24, "AUTO LIGHT SYSTEM : System Description"
.)
• BCM transmits the rear fog lamp status signal to the combination meter using CAN communication.
• Combination meter turns the rear fog lamp indicator lamp ON according to the rear fog lamp status signal.
DTC
CONSULT display description
Fail-safe
B121A
FR FOG LAMP LH PWR SPLY CIRC
[CIRC
SHORT TO
GRND]
Shuts off the power supply to the front fog lamp LH power
supply circuit until the front fog lamp ON conditions are no
longer satisfied.
B1256
FR FOG LAMP RH PWR SPLY CIRC
[CIRC
SHORT TO
GRND]
Shuts off the power supply to the front fog lamp RH power
supply circuit until the front fog lamp ON conditions are no
longer satisfied.
Control part
Fail-safe operation
Front fog lamp
Front fog lamp: OFF
JMLIA3188GB
SYSTEM
EXL-47
< SYSTEM DESCRIPTION >
[LED HEADLAMP]
C
D
E
F
G
H
I
J
K
M
A
B
EXL
N
O
P
REAR FOG LAMP SYSTEM : Circuit Diagram
INFOID:0000000010788769
EXTERIOR LAMP BATTERY SAVER SYSTEM
JMLIA5357GB
EXL-48
< SYSTEM DESCRIPTION >
[LED HEADLAMP]
SYSTEM
EXTERIOR LAMP BATTERY SAVER SYSTEM : System Description
INFOID:0000000011008907
SYSTEM DIAGRAM
OUTLINE
• Exterior lamp battery saver system is controlled by combination switch reading function and exterior lamp
battery saver function of BCM, and smart FET control function of IPDM E/R.
• BCM turns the exterior lamp* OFF, according to the vehicle status when ignition switch is turned OFF while
exterior lamp is ON, for preventing battery discharge.
*: Headlamp (LO/HI), front fog lamp, rear fog lamp, parking lamp, license plate lamp and tail lamp
EXTERIOR LAMP BATTERY SAVER ACTIVATION
• BCM turns the exterior lamps OFF (battery saver is activated) when all of the following conditions are satis-
fied.
- Exterior lamp: ON
- Engine status: Running
→
Stop (ignition switch is turned OFF)
- Front door switch (driver side): OFF
→
ON
NOTE:
When in any of following conditions (after the exterior lamp battery saver is activated), exterior lamps (except
front fog lamp and rear fog lamp) can be turned ON.
• Lighting switch: 1ST or 2ND
→
OFF or AUTO
→
1ST or 2ND
• Engine status: Stop
→
Running
JMLIA5240GB
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