Nissan Titan. Manual - part 99

DOOR LOCK

DLK-105

< SYMPTOM DIAGNOSIS >

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SYMPTOM DIAGNOSIS

DOOR LOCK

Symptom Table

INFOID:0000000009878825

DOOR LOCK SYSTEM

NOTE:

• Before performing the diagnosis in the following table, check “Work flow”. Refer to 

DLK-4, "Work Flow"

.

• If the following symptoms” are detected, check systems shown in the “Diagnosis/service procedure” column

in this order.

Symptom

Repair order

Refer to page

Key reminder door function does not operate 
properly.

1a. Door switch check (king cab)

DLK-26

1b. Door switch check (crew cab)

DLK-27

2a. Key switch check (column shift)

DLK-41

2b. Key switch and key lock solenoid (key switch) 
check (floor shift)

DLK-42

3. Replace BCM.

BCS-52

Power door lock does not operate with door lock 
and unlock switch on main power window and 
door lock/unlock switch or power window and 
door lock/unlock switch RH.

1. Door lock/unlock switch check (driver side)

DLK-30
DLK-32

2. Door lock/unlock switch check (passenger side)

DLK-30
DLK-32

Specific door lock actuator does not operate.

1. Door lock actuator check (Front LH)

DLK-44

2. Door lock actuator check (Front RH)

DLK-45

3. Door lock actuator check (Rear LH)

DLK-46

4. Door lock actuator check (Rear RH)

DLK-46

Power door lock does not operate with front door 
key cylinder LH operation.

1. Front door lock assembly LH (key cylinder 
switch) check

DLK-36
DLK-38

2. Replace BCM.

BCS-52

Power door lock does not operate.

1. BCM power supply and ground circuit check

BCS-28

2. Door lock/unlock switch check

DLK-30

DLK-106

< SYMPTOM DIAGNOSIS >

REMOTE KEYLESS ENTRY SYSTEM

REMOTE KEYLESS ENTRY SYSTEM

Symptom Table

INFOID:0000000009878826

REMOTE KEYLESS ENTRY SYSTEM

Symptom

Diagnoses/service procedure

Reference 

page

All functions of remote keyless entry system do not 
operate.

1. Keyfob battery and function check (use Remote Keyless Entry 
Tester J-43241 or Signal Tech II Tool J-50190)
NOTE:
If the result of keyfob function check is OK, keyfob is not malfunc-
tioning.

DLK-50

2. Check BCM and remote keyless entry receiver.

DLK-48

The new ID of keyfob cannot be entered.

1. Keyfob battery and function check (use Remote Keyless Entry 
Tester J-43241 or Signal Tech II Tool J-50190)
NOTE:
If the result of keyfob function check is OK, keyfob is not malfunc-
tioning.

DLK-50

2a. Key switch check (column shift)

DLK-41

2b. Key switch and key lock solenoid (key switch) check (floor shift)

DLK-42

3a. Door switch check (king cab)

DLK-26

3b. Door switch check (crew cab)

DLK-27

4. ACC power check

BCS-28

5. Replace BCM.

BCS-52

Door lock or unlock does not function.
(If the power door lock system does not operate 
manually, check power door lock system)

1. Keyfob battery and function check (use Remote Keyless Entry 
Tester J-43241 or Signal Tech II Tool J-50190)
NOTE:
If the result of keyfob function check is OK, keyfob is not malfunc-
tioning.

DLK-50

2. Replace BCM.

BCS-52

Hazard and horn reminder does not activate properly 
when pressing lock or unlock button of keyfob.

1. Check hazard and horn reminder mode with CONSULT
NOTE:
Hazard and horn reminder mode can be changed.
First check the hazard and horn reminder mode setting.

DLK-13

2a. Door switch check (king cab)

DLK-26

2b. Door switch check (crew cab)

DLK-27

3. Replace BCM.

BCS-52

Hazard reminder does not activate properly when 
pressing lock or unlock button of keyfob.
(Horn reminder OK)

1. Check hazard reminder mode with CONSULT
NOTE:
Hazard reminder mode can be changed.
First check the hazard reminder mode setting.

DLK-13

2. Check hazard function with hazard switch

—

3. Replace BCM.

BCS-52

Horn reminder does not activate properly when 
pressing lock or unlock button of keyfob.
(Hazard reminder OK)

1. Check horn reminder mode with CONSULT
NOTE:
Horn reminder mode can be changed.
First check the horn reminder mode setting.

DLK-13

2. Check horn function with horn switch

—

3. IPDM E/R operation check

DLK-52

4. Replace BCM.

BCS-52

Room lamp, ignition keyhole illumination and step 
lamp operation do not activate properly.

1. Room lamp operation check

—

REMOTE KEYLESS ENTRY SYSTEM

DLK-107

< SYMPTOM DIAGNOSIS >

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2. Ignition keyhole illumination operation check

—

3. Step lamp operation check

—

4a. Door switch check (king cab)

DLK-26

4b. Door switch check (crew cab)

DLK-27

5. Replace BCM.

BCS-52

Panic alarm (horn and headlamp) does not activate 
when panic alarm button is continuously pressed.

1. Keyfob battery and function check (use Remote Keyless Entry 
Tester J-43241 or Signal Tech II Tool J-50190)
NOTE:
If the result of keyfob function check is OK, keyfob is not malfunc-
tioning.

DLK-50

2a. Key switch check (column shift)

DLK-41

2b. Key switch and key lock solenoid (key switch) check (floor shift)

DLK-42

3. Replace BCM.

BCS-52

Auto door lock operation does not activate properly.
(All other remote keyless entry functions OK.)

1. Check auto door lock operation mode with CONSULT
NOTE:
Auto door lock operation mode can be changed.
First check the auto door lock operation mode setting.

DLK-11

2. Replace BCM.

BCS-52

Keyless power window down (open) operation does 
not activate properly.
(All other remote keyless entry functions OK.)

1. Check power window down operation mode with CONSULT
NOTE:
Power window down operation mode can be changed.
First check the power window down operation mode setting.

—

2. Check power window function with switch

—

3. Replace BCM.

BCS-52

Symptom

Diagnoses/service procedure

Reference 

page

DLK-108

< SYMPTOM DIAGNOSIS >

HOMELINK UNIVERSAL TRANSCEIVER

HOMELINK UNIVERSAL TRANSCEIVER

Symptom Table

INFOID:0000000009878827

HOMELINK UNIVERSAL TRANSCEIVER MALFUNCTION

Symptom

Diagnosis/service procedure

Reference page

Homelink universal transceiver does not operate properly.

1.

Check homelink universal transceiver function.

DLK-61

2.

Check Intermittent Incident.

GI-42