Nissan Leaf. Manual — part 369
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< SYSTEM DESCRIPTION >
DIAGNOSIS SYSTEM (IPDM E/R)
DIAGNOSIS SYSTEM (IPDM E/R)
Diagnosis Description
INFOID:0000000010384041
AUTO ACTIVE TEST
Description
In auto active test mode, the IPDM E/R sends a drive signal to the following systems to check their operation.
• Rear window defogger
• Front wiper motor
• Parking lamp
• License plate lamp
• Tail lamp
• Front fog lamp
• Side marker lamp
• Headlamp (LO, HI)
Operation Procedure
NOTE:
Never perform auto active test in the following conditions.
• CONSULT is connected.
• Passenger door is open.
1. Turn the power switch OFF.
2. Turn the power switch ON, and within 20 seconds, press the driver door switch 10 times. Then turn the
power switch OFF.
3. Turn the power switch ON within 10 seconds. After that the horn sounds once and the auto active test
starts.
NOTE:
Never depress brake pedal while operating power switch so that auto active test is not activated.
4. After a series of the following operations is repeated 3 times, auto active test is completed.
NOTE:
• When auto active test mode has to be cancelled halfway through test, turn the power switch OFF.
• When auto active test is not activated, door switch may be the cause. Check door switch. Refer to
Inspection in Auto Active Test Mode
When auto active test mode is actuated, the following operation sequence is repeated 3 times.
Operation
sequence
Inspection location
Operation
1
Rear window defogger
10 seconds
2
Front wiper motor
LO for 5 seconds
→ HI for 5 seconds
3
• Parking lamp
• License plate lamp
• Tail lamp
• Front fog lamp
• Side marker lamp
10 seconds
4
Headlamp
LO for 10 seconds
→HI ON ⇔ OFF 5 times
DIAGNOSIS SYSTEM (IPDM E/R)
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< SYSTEM DESCRIPTION >
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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:0000000010384042
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.
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< SYSTEM DESCRIPTION >
DIAGNOSIS SYSTEM (IPDM E/R)
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].
BCM, IPDM E/R
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< ECU DIAGNOSIS INFORMATION >
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ECU DIAGNOSIS INFORMATION
BCM, IPDM E/R
List of ECU Reference
INFOID:0000000010119492
ECU
Reference
BCM
BCS-47, "DTC Inspection Priority Chart"
IPDM E/R
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