Nissan GT-R. Instruction — part 285

SEC-22

< DTC/CIRCUIT DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

SECURITY INDICATOR LAMP

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace security indicator lamp.

Terminal

Continuity

Security indicator lamp

(+)

(–)

1

2

Existed

2

1

Not existed

KEY WARNING LAMP

SEC-23

< DTC/CIRCUIT DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

KEY WARNING LAMP

Description

INFOID:0000000009163764

• Key warning lamp is located on combination meter.
• Performs operation method guide and warning together with buzzer.

Diagnosis Procedure

INFOID:0000000009163766

1.

CHECK KEY WARNING LAMP

Refer to

DLK-81, "Component Function Check"

.

Is the inspection result normal?

Yes

>> GO TO 2.

No

>> Repair or replace key warning lamp circuit.

2.

CHECK INTERMITTENT INCIDENT

Refer to

GI-38, "Intermittent Incident"

.

>> INSPECTION END

SEC-24

< DTC/CIRCUIT DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

HORN

HORN

Description

INFOID:0000000009163767

Perform answer-back for each operation with horn.

Diagnosis Procedure

INFOID:0000000009163769

1.

CHECK HORN FUNCTION

Check horn function with horn switch.

Do the horns sound?

YES

>> GO TO 2.

NO

>> Refer to

HRN-2, "Wiring Diagram - HORN -"

.

2.

CHECK HORN RELAY 1 POWER SUPPLY

1.

Turn ignition switch ON.

2.

Perform “ACTIVE TEST” (“HORN”) with CONSULT.

3.

Check voltage between horn relay 1 connector and ground.

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> GO TO 3.

3.

CHECK HORN RELAY 1 CIRCUIT 1

1.

Turn ignition switch OFF.

2.

Disconnect horn relay 1 connector and diode connector.

3.

Check continuity between horn relay 1 harness connector and diode harness connector.

4.

Check continuity between horn relay 1 harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace harness.

4.

CHECK HORN RELAY 1 CIRCUIT 2

1.

Disconnect IPDM E/R connector.

2.

Check continuity between IPDM E/R harness connector and diode connector.

3.

Check continuity between IPDM E/R harness connector and ground.

Horn relay 1

Ground

Test item

Voltage (V)

(Approx.)

Connector

Terminal

E11

1

HORN

ON

Battery voltage

→

0

→

Battery voltage

Other than above

Battery voltage

Horn relay 1

Diode

Continuity

Connector

Terminal

Connector

Terminal

E11

1

E107

3

Existed

Horn relay 1

Ground

Continuity

Connector

Terminal

E11

1

Not existed

IPDM E/R

Diode

Continuity

Connector

Terminal

Connector

Terminal

E6

44

E107

2

Existed

HORN

SEC-25

< DTC/CIRCUIT DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Repair or replace harness.

5.

CHECK DIODE

Refer to

SEC-25, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Replace diode.

6.

CHECK INTERMITTENT INCIDENT

Refer to

GI-38, "Intermittent Incident"

.

Is the inspection result normal?

>> INSPECTION END

Component Inspection

INFOID:0000000009163770

1.

CHECK DIODE

1.

Turn ignition switch OFF.

2.

Disconnect diode.

3.

Check the continuity between diode terminals under the following conditions.

*: For a digital tester.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace diode.

IPDM E/R

Ground

Continuity

Connector

Terminal

E6

44

Not existed

Terminal

Continuity

(+)*

(-)*

3

2

Existed

2

3

Not existed