Infiniti QX56 (JA60). Manual — part 260
DOOR LOCK FUNCTION SYMPTOMS
DLK-211
< SYMPTOM DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
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DOOR LOCK FUNCTION SYMPTOMS
DOOR LOCK AND UNLOCK SWITCH
DOOR LOCK AND UNLOCK SWITCH : Symptom Table
INFOID:0000000005147033
DOOR LOCK/UNLOCK FUNCTION MALFUNCTION
NOTE:
• Before performing the diagnosis in the following table, check “WORK FLOW”. Refer to
.
• Check that vehicle is under the condition shown in “Conditions of vehicle” before starting diagnosis, and
check each symptom.
• If the following symptoms are detected, check systems shown in the “Diagnosis/service procedure” column
in this order.
Conditions of Vehicle (Operating Conditions)
• “LOCK/UNLOCK BY I-KEY” is ON when setting on CONSULT-III.
• Ignition switch is not depressed.
• All doors are closed.
Symptom
Diagnosis/service procedure
Reference page
Power door lock does not operate with door lock
and unlock switch.
1.
Check BCM Power supply and ground circuit.
2.
Check door lock and unlock switch.
3.
Check door lock actuator (driver side)
4.
Check Intermittent Incident.
Power door lock does not operate with door key
cylinder operation.
(Power door lock operate properly with door lock
and unlock switch.)
1.
Check key cylinder switch.
2.
Replace power window main switch.
Specific door lock actuator does not operate.
1a.
Check driver side door lock actuator.
1b.
Check passenger side door lock actuator.
1c.
Check rear LH side door lock actuator.
1d.
Check rear RH side door lock actuator.
1e.
Check back door lock operation (refer to back door).
1f.
Check glass hatch lock actuator.
2.
Check Intermittent Incident.
Door lock/unlock do not operate by request switch.
1.
Door switch check.
2.
Ignition knob switch check.
3.
Replace Intelligent Key unit.
Door lock/unlock does not operate by request
switch (LH side).
1.
Front door request switch LH check.
2.
Front outside antenna LH check.
3.
Replace Intelligent Key unit.
Door lock/unlock does not operate by request
switch (RH side).
1.
Front door request switch RH check.
2.
Front outside antenna RH check.
3.
Replace Intelligent Key unit.
Selective unlock function does not operate by front
door request switch LH (other door lock functions
operate properly).
1.
Check “SELECT UNLOCK FUNCTION” setting in “WORK
SUPPORT”.
2.
Replace Intelligent Key unit.
DLK-212
< SYMPTOM DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
DOOR LOCK FUNCTION SYMPTOMS
INTELLIGENT KEY
INTELLIGENT KEY : Symptom Table
INFOID:0000000005147034
REMOTE KEYLESS ENTRY FUNCTION MALFUNCTION
NOTE:
• Before performing the diagnosis in the following table, check “Trouble Diagnosis Procedure”. Refer to
.
• Make sure that vehicle is under the condition shown in “Conditions of vehicle” before starting diagnosis, and
check each symptom.
• If the following “symptoms” are detected, check systems shown in the “Diagnosis/service procedure” column
in this order.
Conditions of Vehicle (Operating Conditions)
• Ignition switch is not depressed.
• All doors are closed.
Auto lock function does not operate properly.
1.
Check “AUTO RELOCK TIMER” setting in “WORK SUP-
PORT”.
2.
Key switch check (BCM).
3.
Ignition knob switch check.
4.
Door switch check.
5.
Replace Intelligent Key unit.
Key reminder function does not operate properly.
1.
Check “ANTI KEY LOCK IN FUNCTION” setting in
“WORK SUPPORT”.
2.
Door switch check.
3a. Center console area antenna (rear) check.
3b. Luggage area antenna check.
3c. Center console area antenna (front) check.
3d. Overhead console area antenna check.
4.
Front door lock actuator LH (door unlock sensor) check.
5.
Intelligent Key battery and function inspection.
6.
Replace Intelligent Key unit.
Vehicle speed sensing auto LOCK operation does
not operate.
1.
Ensure automatic door lock/unlock function (lock opera-
tion) is enabled.
2.
Check combination meter vehicle speed signal.
3.
Check intermittent incident.
Ignition OFF interlock door UNLOCK function does
not operate.
1.
Ensure automatic door lock/unlock function (unlock oper-
ation) is enabled.
2.
Check BCM for DTC.
3.
Check intermittent incident.
Symptom
Diagnosis/service procedure
Reference page
Symptom
Diagnosis/service procedure
Reference
page
All of the remote keyless entry functions do not
operate.
1.
Intelligent Key battery and function inspection.
2.
Remote Keyless Entry function check.
3.
Replace Intelligent Key unit.
Selective unlock function does not operate by In-
telligent Key remote control button.
1.
Check “SELECT UNLOCK FUNCTION” setting in “WORK SUP-
PORT”.
2.
Intelligent Key battery inspection.
3.
Replace Intelligent Key unit.
DOOR LOCK FUNCTION SYMPTOMS
DLK-213
< SYMPTOM DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
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Auto lock function does not operate properly.
1.
Check “AUTO RELOCK TIMER” setting in “WORK SUPPORT”.
2.
Key switch check (BCM).
3.
Ignition knob switch check.
4.
Door switch check.
5.
Replace Intelligent Key unit.
Key reminder function does not operate properly.
1.
Check “ANTI KEY LOCK IN FUNCTION” setting in “WORK
SUPPORT”.
2.
Door switch check.
3a.
Center console area antenna (rear) check.
3b.
Luggage area antenna check.
3c.
Center console area antenna (front) check.
3d.
Overhead console area antenna check.
4.
Front door lock actuator LH (door unlock sensor) check.
5.
Intelligent Key battery inspection.
6.
Replace Intelligent Key unit.
Panic alarm function does not operate properly.
1.
Check “PANIC ALARM DELAY” setting in “WORK SUPPORT”.
2.
Theft warning operation check.
3.
Intelligent Key battery inspection.
4.
Key switch check (BCM).
5.
Ignition knob switch check.
6.
Replace Intelligent Key unit.
Back door open function does not operate prop-
erly.
1.
Back door diagnosis.
2.
Intelligent Key battery inspection.
3.
Replace Intelligent Key unit.
Power window down function does not operate.
1.
Check “PW DOWN SET” setting in “WORK SUPPORT”.
2.
Intelligent Key battery inspection.
Symptom
Diagnosis/service procedure
Reference
page
DLK-214
< SYMPTOM DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
BACK DOOR OPENER FUNCTION
BACK DOOR OPENER FUNCTION
BACK DOOR OPENER SWITCH
BACK DOOR OPENER SWITCH : Symptom Table
INFOID:0000000005147035
TRUNK OPEN FUNCTION MALFUNCTION
NOTE:
• Before performing the diagnosis in the following table, check “WORK FLOW”. Refer to
.
• Check that vehicle is under the condition shown in “Conditions of vehicle” before starting diagnosis, and
check each symptom.
• If the following symptoms” are detected, check systems shown in the “Diagnosis/service procedure” column
in this order.
Conditions of Vehicle (Operating Conditions)
• Vehicle is in park.
BACK DOOR HANDLE
Symptom
Suspect systems
Refer to
Automatic operations are not executed from the back door fully
closed or fully open position.
(Auto closure operates normally).
Power liftgate switch system inspection
Park switch
—
Power window serial link
—
Pinch strip system inspection
Automatic operations are not carried out together with open/close
operations.
(Manual operations are normal).
Power liftgate switch system inspection
Back door close switch system inspection
Auto back door power supply and ground cir-
cuit system inspection.
The auto closure function does not operate.
(Stops at the halfway position for auto closing operations).
Pinch strip system inspection
During auto closing operations, if obstruction is detected, the door
does not operate in reverse.
Back door motor assembly
During close or cinch operations, the door does not operate in re-
verse if the back door handle is operated.
Handle switch system
When the keyfob is operated, the back door does not operate au-
tomatically.
Remote keyless entry system inspection
Power window serial link
—
Pinch strip system inspection
Auto closure does not operate.
Half-latch switch system
Cinch latch motor system
Handle switch system
The back door does not open.
(Closure motor rotation is not reversed).
Open switch system
Handle switch system
Warning chime does not sound.
Back door warning chime system
Auto closure operation works, but the back door is not fully closed
Close switch system
Handle switch system
Cinch latch motor system
Back door latch assembly mechanism dam-
aged or worn.
Auto open operation releases lock, but does not fully open back
door.
Glass hatch ajar switch check
Glass hatch lock actuator does not operate
(Right front door must be unlocked for normal operation)
Glass hatch switch check
Glass hatch lock actuator check
Replace BCM
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