Nissan Frontier D40. Manual - part 222

KEYFOB BATTERY AND FUNCTION

DLK-51

< COMPONENT DIAGNOSIS >

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KEYFOB BATTERY AND FUNCTION

Description

INFOID:0000000005274533

The following functions are available when having and carrying electronic ID.
• Door lock/unlock
• Panic alarm
Remote control entry function and panic alarm function are available when operating the remote buttons.

Component Function Check

INFOID:0000000005274534

1.

CHECK FUNCTION

With CONSULT-III

Check remote keyless entry receiver "RKE OPE COUN1" in DATA MONITOR mode with CONSULT-III.

Is the inspection result normal?

YES

>> Key fob is OK.

NO

>> Refer to 

DLK-51, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000005274535

1.

CHECK KEYFOB FUNCTION

Check keyfob function using Remote Keyless Entry Tester J-43241.

Does the test pass?

YES

>> Key fob is OK. 

NO

>> GO TO 2

2.

 CHECK KEY FOB COMPONENTS

1.

Open the lid using a coin.

CAUTION:

• Do not touch the circuit board or battery terminal.
• The keyfob is water-resistant. However, if it does get wet,

immediately wipe it dry. 

2.

Remove the key fob battery.

CAUTION:

• Keep dirt, grease, and other foreign materials off the elec-

trode contact area.

3.

Visually inspect keyfob internal components.

Is the inspection result normal?

YES

>> GO TO 3

NO

>> Repair or replace malfunctioning parts.

3.

CHECK KEY FOB BATTERY

Monitor item

Condition

RKE OPE COUN1

Check that the numerical value is changing while operating the key fob.

LEL946A

ALKIA1720GB

DLK-52

< COMPONENT DIAGNOSIS >

KEYFOB BATTERY AND FUNCTION

Check by connecting a resistance (approximately 300

Ω

) so that the

current value becomes about 10 mA.

Is the measurement value within specification?

YES

>> Key fob battery is OK. Check remote keyless entry

receiver. Refer to 

DLK-49,

"Component Function Check"

. 

NO

>> GO TO 4.

4.

 REPLACE KEY FOB BATTERY

1.

Replace the key fob battery, positive side down.

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 key fob functions work
properly.

Is the inspection result normal?

YES

>> Key fob is OK.

NO

>> Check remote keyless entry receiver. Refer to 

DLK-49,

"Component Function Check"

.

Standard

: Approx. 2.5 - 3.0V

OCC0607D

ALKIA1721GB

HORN FUNCTION

DLK-53

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HORN FUNCTION

Description

INFOID:0000000005274536

Perform answer-back for each operation with horn.

Component Function Check

INFOID:0000000005274537

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

>> Refer to 

DLK-53, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000005274538

Regarding Wiring Diagram information, refer to 

DLK-94, "Wiring Diagram—REMOTE KEYLESS ENTRY SYS-

TEM (King Cab)—"

 or 

DLK-104, "Wiring Diagram—REMOTE KEYLESS ENTRY SYSTEM (Crew Cab)—"

.

1.

CHECK HORN FUNCTION

Check horn function with horn switch

Do the horns sound?

YES

>> GO TO 2

NO

>> Refer to 

HRN-3, "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 IPDM E/R connector E122 terminal 45 and ground.

Is the inspection result normal?

YES

>> Repair or replace open harness between IPDM E/R and horn relay.

NO

>> GO TO 3

3.

CHECK HORN RELAY CIRCUIT

Test item

Description

HORN

ON

Horn relay

ON (for 20 ms)

WIIA1251E

IPDM E/R

Ground

Test item

Voltage (V)

(Approx.)

Connector

Terminal

E122

45

Ground

HORN

OFF 

→

 ON 

→

 OFF

Battery voltage 

→

 0 

→

 Battery voltage

Other than above

Battery voltage

DLK-54

< COMPONENT DIAGNOSIS >

HORN FUNCTION

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-46, "Intermittent Incident"

.

Is the inspection result normal?

YES

>> Replace IPDM E/R. Refer to 

PCS-33, "Removal and Installation of IPDM E/R"

.

NO

>> Repair or replace the malfunctioning part.

WIIA1252E

IPDM E/R

Horn relay

Continuity

Connector

Terminal

Connector

Terminal

A: E122

45

B: H-1

1

Yes

IPDM E/R

Ground

Continuity 

Connector

Terminal

E122

45

Ground

No