Nissan Leaf. Instruction — part 368
DEF-6
< SYSTEM DESCRIPTION >
COMPONENT PARTS
Rear window defogger
INFOID:0000000010119485
Heats the heating wire with the power supply from the rear window
defogger relay to prevent the rear window from fogging up.
Door mirror defogger
INFOID:0000000010119486
Heats the heating wire with the power supply from the rear window
defogger relay to prevent the door mirror from fogging up.
JMLIA2595GB
JMLIA2596GB
SYSTEM
DEF-7
< SYSTEM DESCRIPTION >
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SYSTEM
System Description
INFOID:0000000010119487
SYSTEM DIAGRAM
OPERATION DESCRIPTION
• Turn rear window defogger switch ON while power switch is ON. Then A/C auto amp. transmits rear window
defogger switch signal to BCM.
• BCM transmits rear window defogger control signal to IPDM E/R via CAN communication for approximately
15 minutes.
• IPDM E/R turns rear window defogger relay ON when rear window defogger control signal is received.
• When rear window defogger relay turns ON, IPDM E/R transmits rear window defogger control signal to
VCM via CAN communication. VCM transmits rear window defogger status signal to A/C auto amp. via EV
system CAN communication.
• When rear window defogger is activated, indicator lamp on rear window defogger switch turns ON.
TIMER FUNCTION
• BCM transmits the rear window defogger control signal to IPDM E/R for approximately 15 minutes when the
rear window defogger switch turns ON while power switch is ON. Then IPDM E/R activates rear window
defogger and door mirror defogger.
• The timer is cancelled if the rear window defogger switch is pressed again during timer operation. BCM
stops the output of rear window defogger control signal. The same action occurs during timer operation if the
power switch is turned OFF.
JMLIA2389GB
DEF-8
< SYSTEM DESCRIPTION >
DIAGNOSIS SYSTEM (BCM)
DIAGNOSIS SYSTEM (BCM)
COMMON ITEM
COMMON ITEM : CONSULT Function (BCM - COMMON ITEM)
INFOID:0000000010384039
APPLICATION ITEM
CONSULT performs the following functions via CAN communication with BCM.
SYSTEM APPLICATION
BCM can perform the following functions.
REAR WINDOW DEFOGGER
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
×
×
×
×
DIAGNOSIS SYSTEM (BCM)
DEF-9
< SYSTEM DESCRIPTION >
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REAR WINDOW DEFOGGER : CONSULT Function (BCM - REAR DEFOGGER)
INFOID:0000000010384040
DATA MONITOR
ACTIVE TEST
Monitor Item [Unit]
Description
PUSH SW [On/Off]
Indicates condition of power switch.
REAR DEF SW [On/Off]
Indicates condition of rear window defogger switch.
Test Item
Description
REAR DEFOGGER
This test is able to check rear window defogger operation [Off/On].
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