Nissan X-Trail 32. Manual — part 1197
SYSTEM
EXL-245
< SYSTEM DESCRIPTION >
[HALOGEN HEADLAMP]
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EXL
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FRONT FOG LAMP SYSTEM : System Description
INFOID:0000000010789800
SYSTEM DIAGRAM
OUTLINE
Front fog lamp is controlled by combination switch reading function and front fog lamp control function of BCM,
and smart FET control function of IPDM E/R.
FRONT FOG LAMP OPERATION
• BCM detects the combination switch condition by the combination switch reading function.
• BCM transmits the front fog light request signal to IPDM E/R and the combination meter via CAN communi-
cation according to the front fog lamp ON condition.
Front fog lamp ON condition
- Front fog lamp switch is turned from OFF to ON, and any of the following conditions are satisfied.
• Lighting switch 1ST
• Lighting switch 2ND
• Lighting switch AUTO (Only when the illumination judgment by auto light system is ON. For details, refer to
EXL-228, "AUTO LIGHT SYSTEM : System Description"
.)
• IPDM E/R turns the integrated smart FET ON, and turns the front fog lamp ON according to the front fog light
request signal.
• Combination meter turns the front fog lamp indicator lamp ON according to the front fog light request signal.
JMLIA5239GB
EXL-246
< SYSTEM DESCRIPTION >
[HALOGEN HEADLAMP]
SYSTEM
FRONT FOG LAMP SYSTEM : Circuit Diagram
INFOID:0000000010789801
FRONT FOG LAMP SYSTEM : Fail-safe
INFOID:0000000010789802
FAIL-SAFE CONTROL BY DTC
IPDM E/R performs fail-safe control when any DTC are detected.
JMLIA5356GB
SYSTEM
EXL-247
< SYSTEM DESCRIPTION >
[HALOGEN HEADLAMP]
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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:0000000010789803
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-228, "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
EXL-248
< SYSTEM DESCRIPTION >
[HALOGEN HEADLAMP]
SYSTEM
REAR FOG LAMP SYSTEM : Circuit Diagram
INFOID:0000000010789804
EXTERIOR LAMP BATTERY SAVER SYSTEM
JMLIA5357GB
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