Nissan Leaf. Manual — part 640
SYSTEM
EXL-161
< SYSTEM DESCRIPTION >
[HALOGEN HEADLAMP]
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• BCM increases the turn signal lamp blinking speed if the bulb or harness open is detected with the turn sig-
nal lamp operating.
NOTE:
The blinking speed is normal while operating the hazard warning lamp.
PARKING, LICENSE PLATE, SIDE MARKER AND TAIL LAMP SYSTEM
PARKING, LICENSE PLATE, SIDE MARKER AND TAIL LAMP SYSTEM : System De-
scription
INFOID:0000000010121429
SYSTEM DIAGRAM
OUTLINE
Parking, license plate, side marker and tail lamps are controlled by combination switch reading function and
headlamp control function of BCM, and relay control function of IPDM E/R.
PARKING, LICENSE PLATE, SIDE MARKER AND TAIL LAMPS OPERATION
• BCM detects the combination switch condition by the combination switch reading function.
• BCM transmits the position light request signal to IPDM E/R and the combination meter via CAN communi-
cation according to the ON/OFF condition of the parking, license plate, side marker and tail lamps.
Parking, license plate, side marker and tail lamps ON condition:
- Lighting switch 1ST
- Lighting switch 2ND
- Lighting switch AUTO, and the auto light function ON judgment
- Lighting switch AUTO, with the front fog lamp switch ON and the power switch ON
• IPDM E/R turns the integrated tail lamp relay ON and turns the parking, license plate, side marker and tail
lamps ON according to the position light request signal.
• Combination meter turns the tail lamp indicator lamp ON according to the position light request signal.
PARKING, LICENSE PLATE, SIDE MARKER AND TAIL LAMP SYSTEM : Fail-Safe
INFOID:0000000010121431
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
FRONT FOG LAMP SYSTEM
JMLIA1818GB
Control part
Fail-safe operation
• Parking lamp
• License plate lamp
• Illumination
• Tail lamp
• Side marker lamp
• Turns ON the tail lamp relay when the power switch is turned ON
• Turns OFF the tail lamp relay when the power switch is turned OFF
EXL-162
< SYSTEM DESCRIPTION >
[HALOGEN HEADLAMP]
SYSTEM
FRONT FOG LAMP SYSTEM : System Description
INFOID:0000000010121432
SYSTEM DIAGRAM
OUTLINE
Front fog lamp is controlled by combination switch reading function, front fog lamp control function of BCM,
and relay 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 lights 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 ON, and any of the following condition is satisfied (except for the high beam ON):
• Lighting switch 2ND
• Lighting switch AUTO and the power switch ON
IPDM E/R turns the integrated front fog lamp relay ON, and turns the front fog lamp ON according to the front
fog lights request signal.
Combination meter turns the front fog lamp indicator lamp ON according to the front fog lights request signal.
FRONT FOG LAMP SYSTEM : Fail-Safe
INFOID:0000000010121434
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
EXTERIOR LAMP BATTERY SAVER SYSTEM
ALLIA1449GB
Control part
Fail-safe operation
Front fog lamp
Front fog lamp relay OFF
SYSTEM
EXL-163
< SYSTEM DESCRIPTION >
[HALOGEN HEADLAMP]
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EXTERIOR LAMP BATTERY SAVER SYSTEM : System Description
INFOID:0000000010121435
SYSTEM DIAGRAM
OUTLINE
• Exterior lamp battery saver system is controlled by each function of BCM and IPDM E/R.
Control by BCM:
- Combination switch reading function
- Headlamp control function
- Exterior lamp battery saver function
Control by IPDM E/R:
- Relay control function
• BCM turns the exterior lamps* OFF after a period of time to prevent the battery from over-discharge when
the power switch is turned OFF with the exterior lamps ON.
*: Headlamp (LO/HI), parking lamp, tail lamp, side marker lamp, license plate lamp and front fog lamp
EXTERIOR LAMP BATTERY SAVER ACTIVATION
BCM activates the timer and turns the exterior lamp OFF 5 minutes after the power switch is turned from ON
→ OFF with the exterior lamps ON.
NOTE:
• Headlamp control function turns the exterior lamps ON normally when the power switch is turned ACC or
set the vehicle to READY (both before and after the exterior lamp battery saver is turned OFF).
• The timer starts at the time that the lighting switch is turned from OFF
→ 1ST or 2ND with the exterior lamps
OFF.
ALLIA1450GB
EXL-164
< SYSTEM DESCRIPTION >
[HALOGEN HEADLAMP]
DIAGNOSIS SYSTEM (BCM)
DIAGNOSIS SYSTEM (BCM)
COMMON ITEM
COMMON ITEM : CONSULT Function (BCM - COMMON ITEM)
INFOID:0000000010519555
APPLICATION ITEM
CONSULT performs the following functions via CAN communication with BCM.
SYSTEM APPLICATION
BCM can perform the following functions.
HEADLAMP
Direct Diagnostic Mode
Description
Ecu Identification
The BCM part number is displayed.
Self Diagnostic Result
The BCM self diagnostic results are displayed.
Data Monitor
The BCM input/output data is displayed in real time.
Active Test
The BCM activates outputs to test components.
Work support
The settings for BCM functions can be changed.
Configuration
• The vehicle specification can be read and saved.
• The vehicle specification can be written when replacing BCM.
CAN Diag Support Mntr
The result of transmit/receive diagnosis of CAN communication is displayed.
System
Sub System
Direct Diagnostic Mode
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Door lock
DOOR LOCK
×
×
×
×
Rear window defogger
REAR DEFOGGER
×
×
Warning chime
BUZZER
×
×
Interior room lamp timer
INT LAMP
×
×
×
Exterior lamp
HEADLAMP
×
×
×
Wiper and washer
WIPER
×
×
×
Turn signal and hazard warning lamps FLASHER
×
×
×
Air conditioner
AIR CONDITIONER
×
×
Intelligent Key system
INTELLIGENT KEY
×
×
×
×
Combination switch
COMB SW
×
BCM
BCM
×
×
×
×
×
Immobilizer
IMMU
×
×
×
×
Interior room lamp battery saver
BATTERY SAVER
×
×
×
Trunk open
TRUNK
×
Vehicle security system
THEFT ALM
×
×
×
RAP system
RETAINED PWR
×
Signal buffer system
SIGNAL BUFFER
×
TPMS
AIR PRESSURE MONITOR
×
×
×
×
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