Infiniti QX56 (JA60). Manual — part 234

INTELLIGENT KEY BATTERY AND FUNCTION

DLK-107

< COMPONENT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

Check by connecting a resistance (approximately 300

Ω) so that the

current value becomes about 10 mA.

Is the measurement value within specification?

YES

>> Intelligent Key battery is OK. Check remote keyless

entry receiver. Refer to

DLK-103,

"Component Function Check"

.

NO

>> GO TO 4

4.

REPLACE INTELLIGENT KEY BATTERY

1. Replace the Intelligent Key battery.

2. Align the tips of the upper and lower parts, and then push them

together until it is securely closed.

CAUTION:

• When replacing battery, keep dirt, grease, and other for-

eign materials off the electrode contact area.

3. After replacing the battery, check that all Intelligent Key func-

tions work properly.

Is the inspection result normal?

YES

>> Intelligent Key is OK.

NO

>> Check remote keyless entry receiver. Refer to

DLK-103,

"Component Function Check"

.

Standard

: Approx. 2.5 - 3.0V

OCC0607D

PIIB6222E

DLK-108

< COMPONENT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

HORN FUNCTION

HORN FUNCTION

Description

INFOID:0000000005146978

Perform answer-back for each operation with horn.

Component Function Check

INFOID:0000000005146979

1.

CHECK FUNCTION

1. Select "HORN" in “ACTIVE TEST” mode with CONSULT-III.

2. Check the horn (high/low) operation.

Is the operation normal?

YES

>> Inspection End.

NO

>> Go to

DLK-108, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000005146980

Regarding Wiring Diagram information, refer to

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

"

.

1.

CHECK HORN FUNCTION

Check horn function with horn switch
Do the horns sound?

YES

>> GO TO 2

NO

>> Go to

HRN-4, "Wiring Diagram"

.

2.

CHECK HORN RELAY POWER SUPPLY

1. Turn ignition switch ON.

2. Perform “ACTIVE TEST”, "HORN" with CONSULT-Ill.

3. Using an oscilloscope or analog voltmeter, check voltage

between horn relay harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4

NO

>> GO TO 3

3.

CHECK HORN RELAY CIRCUIT

Test item

Description

HORN

ON

Horn relay

ON (for 20 ms)

ALKIA0658ZZ

Horn relay

Ground

Test item

Voltage (V)

(Approx.)

Connector

Terminal

H-1

1

Ground

HORN

ON

Battery voltage

→ 0 → Battery voltage

Other than above

Battery voltage

HORN FUNCTION

DLK-109

< COMPONENT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

1. Turn ignition switch OFF.

2. Disconnect IPDM E/R and horn relay connector.

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

horn relay harness connector.

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

Is the inspection result normal?

YES

>> GO TO 4

NO

>> Repair or replace harness.

4.

CHECK INTERMITTENT INCIDENT

Refer to

GI-38, "Intermittent Incident"

.

Is the inspection result normal?

YES

>> Replace IPDM E/R. Refer to

PCS-35, "Removal and Installation of IPDM E/R"

.

NO

>> Repair or replace the malfunctioning part.

WIIA0679E

IPDM E/R

Horn relay

Continuity

Connector

Terminal

Connector

Terminal

E122

45

H-1

1

Yes

IPDM E/R

Ground

Continuity

Connector

Terminal

E122

45

Ground

No

DLK-110

< COMPONENT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

COMBINATION METER DISPLAY FUNCTION

COMBINATION METER DISPLAY FUNCTION

Description

INFOID:0000000005146981

Displays each operation method guide and warning for system malfunction.

Component Function Check

INFOID:0000000005146982

1.

CHECK FUNCTION

1. Turn ignition switch ON.

2. Open driver door.
Does the open door message appear on the LCD display?

YES

>> Meter information display is OK.

NO

>> Refer to

DLK-110, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000005146983

1.

CHECK COMBINATION METER

Refer to

MWI-59, "DTC Index"

.

Is the inspection result normal?

YES

>> GO TO 2

NO

>> Check combination meter. Refer to

MWI-4, "Work Flow"

.

2.

CHECK INTERMITTENT INCIDENT

Refer to

GI-38, "Intermittent Incident"

.

>> Inspection End.