Infiniti QX56 (Z62). Manual — part 1189
SEC-146
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
SECURITY INDICATOR LAMP
SECURITY INDICATOR LAMP
Component Function Check
INFOID:0000000006226312
1.
CHECK FUNCTION
1.
Perform “THEFT IND” in “ACTIVE TEST” mode of “IMMU” of “BCM” using CONSULT-III.
2.
Check security indicator lamp operation.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Go to
SEC-146, "Diagnosis Procedure"
.
Diagnosis Procedure
INFOID:0000000006226313
1.
CHECK SECURITY INDICATOR LAMP POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect combination meter connector.
3.
Check voltage between combination meter harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO-1
>> Check 10 A fuse [No. 11, located in the fuse block (J/B)].
NO-2
>> Check harness for open or short between combination meter and fuse.
2.
CHECK SECURITY INDICATOR LAMP SIGNAL
1.
Connect combination meter connector.
2.
Disconnect BCM connector.
3.
Check voltage between BCM harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 4.
3.
REPLACE BCM
1.
Replace BCM. Refer to
BCS-81, "Removal and Installation"
.
2.
Perform initialization of BCM and registration of all Intelligent Keys using CONSULT-III.
For initialization and registration procedures, refer to CONSULT-III Operation Manual NATS-IVIS/NVIS.
>> INSPECTION END
4.
CHECK SECURITY INDICATOR LAMP CIRCUIT
1.
Disconnect combination meter connector.
2.
Check continuity between combination meter harness connector and BCM harness connector.
Test item
Description
THEFT IND
ON
Security indicator lamp
Illuminates
OFF
Does not illuminate
(+)
(–)
Voltage (V)
(Approx.)
Combination meter
Connector
Terminal
M34
1
Ground
Battery voltage
(+)
(–)
Voltage (V)
(Approx.)
BCM
Connector
Terminal
M68
23
Ground
Battery voltage
SECURITY INDICATOR LAMP
SEC-147
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
3.
Check continuity between combination meter harness connector and ground.
Is the inspection result normal?
YES
>> Replace combination meter. Refer to
MWI-85, "Removal and Installation"
NO
>> Repair or replace harness.
Combination meter
BCM
Continuity
Connector
Terminal
Connector
Terminal
M34
28
M68
23
Existed
Combination meter
Ground
Continuity
Connector
Terminal
M34
28
Not existed
SEC-148
< SYMPTOM DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
ENGINE DOES NOT START WHEN INTELLIGENT KEY IS INSIDE OF VEHICLE
SYMPTOM DIAGNOSIS
ENGINE DOES NOT START WHEN INTELLIGENT KEY IS INSIDE OF VE-
HICLE
Description
INFOID:0000000006226323
Engine does not start when push-button ignition switch is pressed while carrying Intelligent Key.
NOTE:
• Check that vehicle is under the condition shown in “Conditions of vehicle” before starting diagnosis, and
check each symptom.
• The engine start function, door lock function, power distribution system, and NATS-IVIS/NVIS in the Intelli-
gent Key system are closely related to each other regarding control. The vehicle security function can oper-
ate only when the door lock and power distribution system are operating normally.
Conditions of Vehicle (Operating Conditions)
• “ENGINE START BY I-KEY” in “WORK SUPPORT” is ON when setting on CONSULT-III.
• Intelligent Key is not inserted in key slot.
• One or more of Intelligent Keys with registered Intelligent Key ID is in the vehicle.
Diagnosis Procedure
INFOID:0000000006226324
1.
PERFORM WORK SUPPORT
Perform “INSIDE ANT DIAGNOSIS” on Work Support in “INTELLIGENT KEY”.
Refer to
SEC-22, "INTELLIGENT KEY : CONSULT-III Function (BCM - INTELLIGENT KEY)"
.
>> GO TO 2.
2.
PERFORM SELF-DIAGNOSIS RESULT
Perform Self-Diagnosis Result in “BCM”, and check whether or not DTC of inside key antenna is detected.
Is DTC detected?
YES
>> Refer to
NO
>> GO TO 3.
3.
CHECK PUSH-BUTTON IGNITION SWITCH
Check push-button ignition switch.
Refer to
PCS-71, "Component Function Check"
Is the operation normal?
YES
>> GO TO 4.
NO
>> Repair or replace malfunctioning parts.
4.
CONFIRM THE OPERATION
Confirm the operation again.
Is the inspection normal?
YES
>> Check intermittent incident. Refer to
GI-40, "Intermittent Incident"
.
NO
>> GO TO 1.
STEERING DOES NOT LOCK
SEC-149
< SYMPTOM DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
STEERING DOES NOT LOCK
Description
INFOID:0000000006226325
Steering does not lock when door is open while ignition switch is OFF.
NOTE:
Before performing the diagnosis, check “Work Flow”. Refer to
Diagnosis Procedure
INFOID:0000000006226326
1.
CHECK DOOR SWITCH
Check door switch.
Refer to
DLK-117, "Component Function Check"
Is the inspection normal?
YES
>> GO TO 2.
NO
>> Repair or replace malfunctioning parts.
2.
CONFIRM THE OPERATION
Confirm the operation again.
Is the inspection normal?
YES
>> Check intermittent incident. Refer to
GI-40, "Intermittent Incident"
.
NO
>> GO TO 1.
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