Nissan Xterra. Instruction — part 191
DLK-6
< BASIC INSPECTION >
DIAGNOSIS AND REPAIR WORKFLOW
The Diagnostic Procedure described based on open circuit inspection. A short circuit inspection is also
required for the circuit check in the Diagnostic Procedure.
Is malfunctioning part detected?
YES
>> GO TO 8
NO
>> Check voltage of related BCM terminals using CONSULT.
8.
REPAIR OR REPLACE THE MALFUNCTIONING PART
1. Repair or replace the malfunctioning part.
2. Reconnect parts or connectors disconnected during Diagnostic Procedure again after repair and replace-
ment.
3. Check DTC. If DTC is displayed, erase it.
>> GO TO 9
9.
FINAL CHECK
When DTC was detected in step 2, perform DTC Confirmation Procedure or Component Function Check
again, and then check that the malfunction have been repaired securely.
When symptom was described from the customer, refer to confirmed symptom in step 3 or 4, and check that
the symptom is not detected.
Is the inspection result normal?
NO (DTC is detected)>>GO TO 7
NO (Symptom remains)>>GO TO 6
YES
>> Inspection End.
INSPECTION AND ADJUSTMENT
DLK-7
< BASIC INSPECTION >
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INSPECTION AND ADJUSTMENT
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Description
INFOID:0000000009485001
Perform the system initialization when replacing BCM, replacing a keyfob or registering an additional keyfob.
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Special Repair Re-
quirement
INFOID:0000000009485002
DLK-55, "ID Code Entry Procedure"
DLK-56, "ID Code Entry Procedure"
(without
CONSULT).
DLK-8
< SYSTEM DESCRIPTION >
AUTOMATIC DOOR LOCKS
SYSTEM DESCRIPTION
AUTOMATIC DOOR LOCKS
System Diagram
INFOID:0000000009485003
System Description
INFOID:0000000009485004
DOOR LOCK FUNCTION
Functions Available by Operating the Door Lock and Unlock Switches on Driver Door and Passenger Door
• Interlocked with the locking operation of door lock and unlock switch, door lock actuators of all door lock
actuators are locked.
• Interlocked with the unlocking operation of door lock and unlock switch, door lock actuators of all door lock
actuators are unlocked.
Functions Available by Operating the Key Cylinder Switch on Driver Door or Back Door
• Interlocked with the locking operation of door key cylinder, door lock actuators of all door lock actuators are
locked.
Selective Unlock Operation
• When driver door key cylinder is unlocked, door lock actuator driver side is unlocked.
• When driver door key cylinder is unlocked for the second time within 5 seconds after the first operation, door
lock actuators on all doors are unlocked.
• When back door key cylinder is unlocked, back door lock actuator is unlocked.
• When back door key cylinder is unlocked for the second time within 5 seconds after the first operation, door
lock actuators on all doors are unlocked.
Select unlock operation mode can be changed using DOOR LOCK-UNLOCK SET mode in “WORK SUP-
PORT”. Refer to
DLK-18, "DOOR LOCK : CONSULT Function (BCM - DOOR LOCK)"
.
AUTOMATIC DOOR LOCKS (LOCK OPERATION)
The interlock door lock function is the function that locks all doors linked with the vehicle speed.
Vehicle Speed Sensing Auto Door Lock*1
All doors are locked when the vehicle speed reaches 15 MPH (24 km/h) or more.
ALKIA1726GB
Input
Single
Function
Actuator
Door lock/unlock switch
Door lock/unlock signal
Door lock function
Each door lock actuator
Door key cylinder switch
Each door switch
Door open/close signal
Key reminder function
Combination meter
Warning buzzer signal
Vehicle speed signal
Automatic door lock/unlock
function
AUTOMATIC DOOR LOCKS
DLK-9
< SYSTEM DESCRIPTION >
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BCM outputs the lock signal to all door lock actuators when it detects that the ignition switch is turned ON, all
doors are closed and the vehicle speed received from the combination meter via CAN communication
becomes 15 MPH (24 km/h) or more.
If a door is opened and closed at any time during one ignition cycle (OFF
→ ON), even after initial auto door
lock has taken place, the BCM will relock all doors when the vehicle speed reaches 15 MPH (24 km/h) or more
again.
Setting change of Automatic Door Locks (LOCK) Function
The lock operation setting of the automatic door locks function can be changed.
With CONSULT
The ON/OFF switching of the automatic door locks (LOCK) function and the type selection of the automatic
door locks (LOCK) function can be performed at the WORK SUPPORT setting of CONSULT. Refer to
"DOOR LOCK : CONSULT Function (BCM - DOOR LOCK)"
.
Without CONSULT
The automatic door locks (LOCK) function can be switched ON/OFF by performing the following operation.
1. Close all doors (door switch OFF).
2. Turn ignition switch ON.
3. Within 20 seconds of turning the ignition switch ON, press and hold the door lock and unlock switch to the
LOCK position for more than 5 seconds.
4. The switching is completed when the hazard lamps blink.
5. The ignition switch must be turned OFF and ON again between each setting change.
AUTOMATIC DOOR LOCKS (UNLOCK OPERATION)
The automatic door locks (UNLOCK) function is the function that unlocks all doors linked with the key position.
IGN OFF Interlock Door Unlock*1
All doors are unlocked when the power supply position is changed from ON to OFF.
BCM outputs the unlock signal to all door lock actuators when it detects that the power supply position is
changed from ignition switch ON to OFF.
Setting change of Automatic Door Locks (UNLOCK) Function
The lock operation setting of the automatic door locks function can be changed.
With CONSULT
The ON/OFF switching of the automatic door locks (UNLOCK) function and the type selection of the automatic
door locks (UNLOCK) function can be performed at the WORK SUPPORT setting of CONSULT. Refer to
18, "DOOR LOCK : CONSULT Function (BCM - DOOR LOCK)"
.
Without CONSULT
The automatic door locks (UNLOCK) function can be switched ON/OFF by performing the following operation.
1. Close all doors (door switch OFF).
2. Turn ignition switch ON.
3. Within 20 seconds of turning the ignition switch ON, press and hold the door lock and unlock switch to the
UNLOCK position for more than 5 seconds.
4. The switching is completed when the hazard lamps blink.
5. The ignition switch must be turned OFF and ON again between each setting change.
*1: This function is set to ON before delivery.
OFF
→ ON
: 2 blinks
ON
→ OFF
: 1 blink
OFF
→ ON
: 2 blinks
ON
→ OFF
: 1 blink
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