Nissan Leaf. Instruction — part 1297
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< SYSTEM DESCRIPTION >
DIAGNOSIS SYSTEM (IPDM E/R)
Concept of auto active test
• IPDM E/R starts the auto active test with the door switch signals transmitted by BCM via CAN communica-
tion. Therefore, the CAN communication line between IPDM E/R and BCM is considered normal if the auto
active test starts successfully.
• The auto active test facilitates troubleshooting if any systems controlled by IPDM E/R cannot be operated.
Diagnosis chart in auto active test mode
CONSULT Function (IPDM E/R)
INFOID:0000000010499447
APPLICATION ITEM
CONSULT performs the following functions via CAN communication with IPDM E/R.
SELF DIAGNOSTIC RESULT
DATA MONITOR
JMMIA0657GB
Symptom
Inspection contents
Possible cause
Rear window defogger does not operate
Perform auto active test.
Does the rear window defogger
operate?
YES
BCM signal input circuit
NO
• Rear window defogger
• Rear window defogger ground circuit
• Harness or connector between IPDM E/R
and rear window defogger
• IPDM E/R
Any of the following components do not
operate
• Parking lamp
• License plate lamp
• Tail lamp
• Front fog lamp
• Headlamp (HI, LO)
• Side marker lamp
• Front wiper motor
Perform auto active test.
Does the applicable system op-
erate?
YES
BCM signal input circuit
NO
• Lamp or motor
• Lamp or motor ground circuit
• Harness or connector between IPDM E/R
and applicable system
• IPDM E/R
Direct Diagnostic Mode
Description
Ecu Identification
The IPDM E/R part number is displayed.
Self Diagnostic Result
The IPDM E/R self diagnostic results are displayed.
Data Monitor
The IPDM E/R input/output data is displayed in real time.
Active Test
The IPDM E/R activates outputs to test components.
CAN Diag Support Mntr
The result of transmit/receive diagnosis of CAN communication is displayed.
DIAGNOSIS SYSTEM (IPDM E/R)
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< SYSTEM DESCRIPTION >
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ACTIVE TEST
CAN DIAG SUPPORT MNTR
LAN-14, "CAN Diagnostic Support Monitor"
.
Monitor Item [Unit]
Main
Signals
Description
TAIL&CLR REQ [On/Off]
×
Indicates position light request signal received from BCM on CAN communica-
tion line
HL LO REQ [On/Off]
×
Indicates low beam request signal received from BCM on CAN communication
line
HL HI REQ [On/Off]
×
Indicates high beam request signal received from BCM on CAN communication
line
FR FOG REQ [On/Off]
×
Indicates front fog light request signal received from BCM on CAN communica-
tion line
FR WIP REQ [Stop/1LOW/Low/Hi]
×
Indicates front wiper request signal received from BCM on CAN communication
line
WIP AUTO STOP [STOP P/ACT P]
×
Indicates condition of front wiper auto stop signal
WIP PROT [Off/BLOCK]
×
Indicates condition of front wiper fail-safe operation
IGN RLY1 -REQ [On/Off]
Indicates power switch ON signal received from BCM on CAN communication
line
IGN RLY [On/Off]
×
Indicates condition of ignition relay-1
PUSH SW [On/Off]
Indicates condition of power switch
DETENT SW [On/Off]
Indicates condition of shift position (park position switch)
DTRL REQ [Off]
Indicates daytime light request signal received from BCM on CAN communica-
tion line
HOOD SW [On/Off]
Indicates condition of hood switch
THFT HRN REQ [On/Off]
Indicates theft warning horn request signal received from BCM on CAN commu-
nication line
HORN CHIRP [On/Off]
Indicates horn reminder signal received from BCM on CAN communication line
Test item
Description
HORN
This test is able to check horn operation [On].
REAR DEFOGGER
This test is able to check rear window defogger operation [On/Off].
FRONT WIPER
This test is able to check wiper motor operation [Hi/Lo/Off].
EXTERNAL LAMPS
This test is able to check external lamp operation [Fog/Hi/Lo/TAIL/Off].
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< ECU DIAGNOSIS INFORMATION >
BCM, IPDM E/R
ECU DIAGNOSIS INFORMATION
BCM, IPDM E/R
List of ECU Reference
INFOID:0000000010122207
ECU
Reference
BCM
BCS-47, "DTC Inspection Priority Chart"
IPDM E/R
WIPER AND WASHER SYSTEM
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< WIRING DIAGRAM >
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WIRING DIAGRAM
WIPER AND WASHER SYSTEM
Wiring Diagram
INFOID:0000000010122208
AALWA0807GB
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