Infiniti QX56 (JA60). Manual - part 231

INTELLIGENT KEY WARNING BUZZER

DLK-95

< COMPONENT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

INTELLIGENT KEY WARNING BUZZER

Description

INFOID:0000000005146963

Answers back and warns for an inappropriate operation.

Component Function Check

INFOID:0000000005146964

1.

CHECK FUNCTION

 With CONSULT-III

Check Intelligent Key warning buzzer "OUTSIDE BUZZER" in Active Test mode.
Is the inspection result normal?

YES

>> Intelligent Key warning buzzer (engine room) is OK.

NO

>> Refer to 

DLK-95, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000005146965

Regarding Wiring Diagram information, refer to 

DLK-178, "Wiring Diagram — INTELLIGENT KEY SYSTEM —

"

.

1.

CHECK INTELLIGENT KEY WARNING BUZZER (ENGINE ROOM) POWER SUPPLY CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect Intelligent Key warning buzzer (engine room) connector.

3. Check voltage between Intelligent Key warning buzzer (engine room) harness connector E25 terminal 1

and ground.

Is the inspection normal?

YES

>> GO TO 2

NO

>> Repair or replace Intelligent Key warning buzzer (engine

room) power supply circuit.

2.

CHECK INTELLIGENT KEY WARNING BUZZER (ENGINE ROOM) CIRCUIT

1. Disconnect Intelligent Key unit connector.

2. Check continuity between Intelligent Key unit harness connector

(A) M70 terminal 4 and Intelligent Key warning buzzer (engine

room) harness connector E25 terminal 3.

3. Check continuity between Intelligent Key warning buzzer

(engine room) harness connector E25 terminal 3 and ground.

Is the inspection normal?

YES

>> GO TO 3

NO

>> Repair or replace harness between Intelligent Key warning buzzer (engine room) and Intelligent

Key unit.

3.

CHECK INTELLIGENT KEY WARNING BUZZER (ENGINE ROOM) OPERATION

Check 

DLK-96, "Component Inspection"

.

1 - Ground

: Battery voltage

WIIA1195E

4 - 3

: Continuity should exist.

3 - Ground

: Continuity should not exist.

WIIA1196E

DLK-96

< COMPONENT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

INTELLIGENT KEY WARNING BUZZER

>> Inspection End.

Component Inspection

INFOID:0000000005146966

1.

CHECK INTELLIGENT KEY WARNING BUZZER

Connect battery power supply to Intelligent Key warning buzzer ter-

minals 1 and 3, and check the operation.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Replace Intelligent Key warning buzzer. 

1 (BAT+) - 3 (BAT-)

: the buzzer sounds

WIIA1197E

OUTSIDE KEY ANTENNA

DLK-97

< COMPONENT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

OUTSIDE KEY ANTENNA

Description

INFOID:0000000005146967

Detects whether the Intelligent Key is in the operating range of the outside antennas.

Front outside antennas are integrated in front outside door handles (driver side, passenger side) to allow lock-

ing and unlocking of door locks when the Intelligent Key is present.

Rear bumper antenna is mounted on the rear bumper and is used to allow the back door and glass hatch

switch assembly opening of the back door when the Intelligent Key is present.

Component Function Check

INFOID:0000000005146968

1.

CHECK DOOR REQUEST SWITCHES

Check that door request switches operate normally.

Is the inspection result normal?

YES

>> GO TO 2

NO

>> Inspect door request switches. Refer to 

DLK-83, "Component Function Check"

.

2.

CHECK OUTSIDE KEY ANTENNAS FUNCTION

Be sure that Intelligent Key is in each outside key antenna detection range.
Does door lock/unlock when each request switch is pressed?

YES

>> GO TO 3

NO

>> Refer to 

DLK-97, "Diagnosis Procedure"

.

3.

CHECK REAR ANTENNA FUNCTION

Be sure that Intelligent Key is in rear bumper antenna detection range.

Be sure that back door close switch is not in the "CANCEL" position.
Does power back door open when back door switch is operated?

YES

>> Outside key antennas are OK.

NO

>> Refer to 

DLK-138, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000005146969

Regarding Wiring Diagram information, refer to 

DLK-178, "Wiring Diagram — INTELLIGENT KEY SYSTEM —

"

.

1.

CHECK OUTSIDE KEY ANTENNA INPUT SIGNAL

1. Turn ignition switch OFF.

2. Check signal between Intelligent Key unit connector M70 terminals 17, 19, 37 and ground with an oscillo-

scope.

Is the inspection result normal?

Connector

Item

Terminals

Condition

Signal

(Reference value)

(+)

(-)

M70

Rear 
bumper 
antenna

17

Ground

Request 
switch is 
pushed

Front out-
side an-
tenna LH

19

Front out-
side an-
tenna RH

37

WIIA1198E

SIIA1910J

DLK-98

< COMPONENT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

OUTSIDE KEY ANTENNA

YES

>> Outside key antenna is OK.

NO

>> GO TO 2

2.

CHECK OUTSIDE KEY ANTENNA CIRCUIT

1. Disconnect Intelligent Key unit connector and outside key antenna connector.

2. Check continuity between each outside key antenna harness connector (B) D15 (driver side) or D115

(passenger side), rear bumper antenna connector (C) C7 terminals 1, 2 and Intelligent Key unit harness

connector (A) M70 terminals 17, 18, 19, 20, 37, and 38.

3. Check continuity between each outside key antenna harness

connector terminals 1, 2 and ground.

Is the inspection result normal?

YES

>> GO TO 3

NO

>> Repair or replace harness between outside key antenna and Intelligent Key unit.

3.

CHECK OUTSIDE KEY ANTENNA POWER SUPPLY

1. Replace outside key antenna. (New antenna or other antenna)

2. Connect Intelligent Key unit connector and outside key antenna connector.

3. Check signal between Intelligent Key unit connector terminals

17, 19, 37 and ground with an oscilloscope.

Is the inspection result normal?

YES

>> Replace outside key antenna.

NO

>> Replace Intelligent Key unit. Refer to 

SEC-120, "Removal and Installation"

.

Item

Connector

Terminal

Connector

Terminal

Continuity

Rear 

bumper an-

tenna

C: C7

1

A: M70

17

Yes

2

18

Front out-

side anten-

na LH

B: D15

1

19

2

20

Front out-

side anten-

na RH

B: D115

1

37

2

38

Item

Connector

Terminal

Continuity

Rear bumper anten-

na

C: C7

1

Ground

No

2

Front outside anten-

na LH

B: D15

1

2

Front outside anten-

na RH

B: D115

1

2

ALKIA0652ZZ

Connector

Item

Terminals

Condition

Signal

(Reference value)

(+)

(-)

M70

Rear 
bumper

17

Ground

Request 
switch is 
pushed

LH side

19

RH side 37

WIIA1198E

SIIA1910J