Nissan Titan. Manual - part 85

REMOTE KEYLESS ENTRY RECEIVER

DLK-49

< DTC/CIRCUIT DIAGNOSIS >

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DLK

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YES

>> GO TO 2

NO

>> GO TO 4

2.

REMOTE KEYLESS ENTRY RECEIVER 5-VOLT CIRCUIT INSPECTION

Check voltage between remote keyless entry receiver connector

M120 terminal 4 and ground.

Is the inspection result normal?

YES

>> GO TO 3

NO

>> GO TO 4

3.

REMOTE KEYLESS ENTRY RECEIVER GROUND CIRCUIT INSPECTION

Check continuity between remote keyless entry receiver connector

M120 terminal 1 and ground.

Is the inspection result normal?

YES

>> Replace remote keyless entry receiver. Refer to 

SEC-

72, "Removal and Installation"

.

NO

>> GO TO 4

4.

HARNESS INSPECTION BETWEEN BCM AND RKE RECEIVER

1. Disconnect remote keyless entry receiver and BCM connectors.

2. Check continuity between BCM connector M18 terminals 18, 19,

20 and remote keyless entry receiver connector M120 terminals

1, 2, 4.

3. Check continuity between remote keyless entry receiver con-

nector M120 terminals 1, 2, 4 and ground.

Is the inspection result normal?

YES

>> Replace remote keyless entry receiver. Refer to 

SEC-72, "Removal and Installation"

.

NO

>> Repair or replace the harness between the remote keyless entry receiver and BCM.

4 - Ground

: Approx. 5 volt.

ALKIA0655ZZ

1 - Ground

: Continuity should exist.

ALKIA0656ZZ

1 - 18

: Continuity should exist.

2 - 20

: Continuity should exist.

4 - 19

: Continuity should exist.

1 - Ground

: Continuity should not exist.

2 - Ground

: Continuity should not exist.

4 - Ground

: Continuity should not exist.

WIIA0308E

DLK-50

< DTC/CIRCUIT DIAGNOSIS >

KEYFOB BATTERY AND FUNCTION

KEYFOB BATTERY AND FUNCTION

Description

INFOID:0000000009878795

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:0000000009878796

NOTE:

The Signal Tech II (J-50190) can be used to test the remote keyless entry keyfob relative signal strength.

Refer to the Signal Tech II User Guide for additional information.

1.

CHECK FUNCTION

With CONSULT

Check keyfob by pressing the keyfob lock and unlock buttons then monitoring KEYLESS LOCK, KEYLESS

UNLOCK in Data Monitor mode with CONSULT.

Is the inspection result normal?

YES

>> Keyfob is OK.

NO

>> Refer to 

DLK-50, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000009878797

NOTE:

The Signal Tech II (J-50190) can be used to test the remote keyless entry keyfob relative signal strength.

Refer to the Signal Tech II User Guide for additional information.

1.

CHECK KEYFOB BATTERY

Check by connecting a resistance (approximately 300

Ω) so that the

current value becomes about 10 mA.

Is the measurement value within specification?

YES

>> GO TO 2

NO

>> Replace Keyfob battery.

2.

CHECK KEYFOB FUNCTION

Monitor item

Condition

KEYLESS LOCK 

LOCK

: ON

UNLOCK

: OFF

KEYLESS UNLOCK 

LOCK

: OFF

UNLOCK

: ON

Standard

: Approx. 2.5 - 3.0V

OCC0607D

KEYFOB BATTERY AND FUNCTION

DLK-51

< DTC/CIRCUIT DIAGNOSIS >

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Check keyfob function using Signal Tech II Tool J-50190 or Remote

Keyless Entry Tester J-43241 (shown).
Does the test pass?

YES

>> Keyfob is OK. 

NO

>> Replace keyfob. Then, perform keyfob ID set up. Refer

to 

DLK-58, "ID Code Entry Procedure"

 (with CONSULT)

or 

DLK-59, "ID Code Entry Procedure"

 (without CON-

SULT).

Component Inspection

INFOID:0000000009878798

NOTE:

The Signal Tech II (J-50190) can be used to test the remote keyless entry keyfob relative signal strength.

Refer to the Signal Tech II User Guide for additional information.

1.

 REPLACE KEYFOB BATTERY

Check keyfob operation after replacing the battery.
Is the inspection result normal?

YES

>> Keyfob is OK.

NO

>> Check remote keyless entry receiver. Refer to 

DLK-48, "Component Function Check"

.

LEL946A

LIIA1514E

DLK-52

< DTC/CIRCUIT DIAGNOSIS >

HORN FUNCTION

HORN FUNCTION

Description

INFOID:0000000009878799

Perform answer-back for each operation with horn.

Component Function Check

INFOID:0000000009878800

1.

CHECK FUNCTION

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

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

Is the operation normal?

YES

>> Inspection End.

NO

>> Go to 

DLK-52, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000009878801

Regarding Wiring Diagram information, refer to 

DLK-95, "Wiring Diagram"

.

1.

CHECK HORN FUNCTION

Check horn function with horn switch
Do the horns sound?

YES

>> GO TO 2

NO

>> Go to 

HRN-3, "Wiring Diagram"

.

2.

CHECK HORN RELAY POWER SUPPLY

1. Turn ignition switch ON.

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

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

1. Turn ignition switch OFF.

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