Nissan Leaf. Manual — part 1085
SEC-102
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
HORN FUNCTION
HORN FUNCTION
Component Function Check
INFOID:0000000010119296
1.
CHECK FUNCTION 1
1. Perform “VEHICLE SECURITY HORN” in “Active Test” of “THEFT ALM” in “BCM” using CONSULT.
2. Check the vehicle security horn operation.
Is the operation normal?
YES
>> Inspection End.
NO
>> Go to
SEC-102, "Diagnosis Procedure"
Diagnosis Procedure
INFOID:0000000010119297
Regarding Wiring Diagram information, refer to
.
1.
CHECK VEHICLE SECURITY HORN RELAY POWER SUPPLY
1. Disconnect vehicle security horn relay.
2. Check voltage between vehicle security horn relay harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace harness.
2.
CHECK HORN CONTROL CIRCUIT 1
1. Disconnect IPDM E/R connector.
2. Check continuity between IPDM E/R harness connector and vehicle security horn relay harness connec-
tor.
3. Check continuity between IPDM E/R harness connector and ground.
Is the inspection result normal?
YES
>> Replace IPDM E/R. Refer to
PCS-29, "Removal and Installation"
NO
>> Repair or replace harness.
Test item
Description
VEHICLE SECURITY HORN
ON
Vehicle security horn
Sounds (for 0.5 sec)
(+)
(–)
Voltage
(Approx.)
Vehicle security horn relay
Connector
Terminal
E5
2
Ground
Battery voltage
IPDM E/R
Vehicle security horn relay
Continuity
Connector
Terminal
Connector
Terminal
E13
34
E5
1
Yes
IPDM E/R
Ground
Continuity
Connector
Terminal
E13
34
No
SECURITY INDICATOR LAMP
SEC-103
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
SECURITY INDICATOR LAMP
Component Function Check
INFOID:0000000010119298
1.
CHECK FUNCTION
1. Perform “THEFT IND” in “Active Test” of “IMMU” in “BCM” using CONSULT.
2. Check security indicator lamp operation.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Go to
SEC-103, "Diagnosis Procedure"
.
Diagnosis Procedure
INFOID:0000000010119299
Regarding Wiring Diagram information, refer to
.
1.
CHECK SECURITY INDICATOR LAMP POWER SUPPLY CIRCUIT
1. Turn power switch OFF.
2. Disconnect combination meter connector.
3. Check voltage between combination meter harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO-1 >> Check 10 A fuse [No. 11, located in the fuse block (J/B)].
NO-2 >> Check harness for open or short between combination meter and fuse.
2.
CHECK SECURITY INDICATOR LAMP SIGNAL
1. Connect combination meter connector.
2. Disconnect BCM connector.
3. Check voltage between BCM harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 4.
3.
REPLACE BCM
1. Replace BCM. Refer to
BCS-72, "Removal and Installation"
.
2. Perform initialization of BCM and registration of all Intelligent Keys using CONSULT. Refer to the CON-
SULT Immobilizer mode and follow the on screen instructions.
>> Inspection End.
Test item
Description
THEFT IND
ON
Security indicator lamp
Illuminates
OFF
Does not illuminate
(+)
(–)
Voltage (V)
(Approx.)
Combination meter
Connector
Terminal
M34
1
Ground
Battery voltage
(+)
(–)
Voltage (V)
(Approx.)
BCM
Connector
Terminal
M24
23
Ground
Battery Voltage
SEC-104
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
SECURITY INDICATOR LAMP
4.
CHECK SECURITY INDICATOR LAMP CIRCUIT
1. Disconnect combination meter connector.
2. Check continuity between combination meter harness connector and BCM harness connector.
3. Check continuity between combination meter harness connector and ground.
Is the inspection result normal?
YES
>> Replace combination meter. Refer to
MWI-102, "Removal and Installation"
NO
>> Repair or replace harness.
Combination meter
BCM
Continuity
Connector
Terminal
Connector
Terminal
M34
28
M24
23
Yes
Combination meter
Ground
Continuity
Connector
Terminal
M34
28
No
VEHICLE CANNOT BE SET TO READY WHEN INTELLIGENT KEY IS INSIDE OF
VEHICLE
SEC-105
< SYMPTOM DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
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F
G
H
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A
B
SEC
N
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SYMPTOM DIAGNOSIS
VEHICLE CANNOT BE SET TO READY WHEN INTELLIGENT KEY IS IN-
SIDE OF VEHICLE
Description
INFOID:0000000010119300
Vehicle cannot be set to READY when brake pedal is depressed and power switch is pressed while carrying
Intelligent Key.
NOTE:
• Check that vehicle is under the condition shown in “Conditions of vehicle” before starting diagnosis, and
check each symptom.
• The vehicle READY set function, door lock function, power distribution system, and NATS-IVIS/NVIS in the
Intelligent Key system are closely related to each other regarding control. The vehicle security function can
operate only when the door lock and power distribution system are operating normally.
Conditions of Vehicle (Operating Conditions)
• “ENGINE START BY I-KEY”: ON
Check the setting of “ENGINE START BY I-KEY” in “Work Support” of “INTELLIGENT KEY” in “BCM” using
CONSULT.
• One or more of Intelligent Keys with registered Intelligent Key ID is in the vehicle.
Diagnosis Procedure
INFOID:0000000010119301
1.
PERFORM WORK SUPPORT
Perform “INSIDE ANT DIAGNOSIS” in “Work Support” of “INTELLIGENT KEY” of “BCM” using CONSULT.
BCS-20, "INTELLIGENT KEY : CONSULT Function (BCM - INTELLIGENT KEY)"
.
>> GO TO 2.
2.
CHECK SELF DIAGNOSTIC RESULT
Select “Self Diagnostic Result” of “BCM” using CONSULT, and check whether or not DTC of inside key
antenna is detected.
Is DTC detected?
YES
>> Perform the trouble diagnosis for detected DTC. Refer to
.
NO
>> GO TO 3.
3.
CHECK POWER SWITCH
Check power switch.
PCS-64, "Component Function Check"
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace malfunctioning parts.
4.
CHECK STOP LAMP SWITCH
Check stop lamp switch.
SEC-79, "Component Inspection"
.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace malfunctioning parts.
5.
CONFIRM THE OPERATION
Confirm the operation again.
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-53, "Intermittent Incident"
.
NO
>> GO TO 1.
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