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 

SEC-50, "Wiring Diagram"

.

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 

SEC-42, "Wiring Diagram"

.

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

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

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.

Refer to 

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 

BCS-48, "DTC Index"

.

NO

>> GO TO 3.

3.

CHECK POWER SWITCH

Check power switch.

Refer to 

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.

Refer to 

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.