Nissan Murano Z51. Instruction — part 1249
B2190 NATS ANTENNA AMP.
SEC-43
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
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SEC
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B2190 NATS ANTENNA AMP.
Description
INFOID:0000000005515495
Performs ID verification through BCM and Intelligent Key when push-button ignition switch is pressed.
Prohibits the release of steering lock (models with steering lock unit) or start of engine when an unregistered
ID of Intelligent Key is used.
DTC Logic
INFOID:0000000005515496
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Insert Intelligent Key into the key slot.
2.
Check “Self diagnostic result” with CONSULT-III.
Is DTC detected?
YES
>> Go to
NO
>> GO TO 2.
2.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Press the push-button ignition switch.
2.
Check “Self diagnostic result” with CONSULT-III.
Is DTC detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000005515497
1.
INSPECTION START
Perform inspection in accordance with procedure that confirms DTC.
Which procedure confirms DTC?
DTC confirmation procedure 1>>GO TO 2.
DTC confirmation procedure 2>>GO TO 6.
2.
CHECK PUSH-BUTTON IGNITION SWITCH OPERATION
Press push-button ignition switch and check if it turns ON.
Does ignition switch turn to ON?
YES
>> GO TO 3.
NO
>> GO TO 5.
3.
CHECK KEY SLOT COMMUNICATION SIGNAL
1.
Turn ignition switch OFF.
2.
Disconnect key slot connector.
3.
Check voltage between key slot harness connector and ground.
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
B2190
NATS ANTENNA
AMP
Inactive communication between key slot and
BCM.
• Harness or connectors
(The key slot circuit is open or
shorted)
• Key slot
• BCM
SEC-44
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
B2190 NATS ANTENNA AMP.
Is the inspection result normal?
YES
>> Replace key slot. Refer to
SEC-220, "Removal and Installation"
NO
>> GO TO 4.
4.
CHECK KEY SLOT COMMUNICATION SIGNAL CIRCUIT
1.
Disconnect BCM connector.
2.
Check continuity between key slot harness connector and BCM harness connector.
3.
Check continuity between key slot harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 8.
NO
>> Repair or replace harness or connector.
5.
CHECK KEY SLOT GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect key slot connector.
3.
Check continuity between key slot harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 8.
NO
>> Repair or replace harness or connector.
6.
CHECK KEY SLOT INPUT SIGNAL
1.
Turn ignition switch OFF.
2.
Disconnect key slot connector.
3.
Check voltage between key slot harness connector and ground.
Is the inspection result normal?
YES
>> Replace key slot. Refer to
SEC-220, "Removal and Installation"
NO
>> GO TO 7.
7.
CHECK KEY SLOT CIRCUIT
1.
Disconnect BCM connector.
2.
Check continuity between key slot harness connector and BCM harness connector.
(+)
(–)
Voltage (V)
(Approx.)
Key slot
Connector
Terminal
M99
3
Ground
Battery voltage
Key slot
BCM
Continuity
Connector
Terminal
Connector
Terminal
M99
3
M122
81
Existed
Key slot
Ground
Continuity
Connector
Terminal
M99
3
Not existed
Key slot
Ground
Continuity
Connector
Terminal
M99
7
Existed
(+)
(–)
Voltage (V)
(Approx.)
Key slot
Connector
Terminal
M99
2
Ground
Battery voltage
B2190 NATS ANTENNA AMP.
SEC-45
< 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 key slot harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 8.
NO
>> Repair or replace harness or connector.
8.
CHECK INTERMITTENT INCIDENT
GI-39, "Intermittent Incident"
.
>> INSPECTION END
Key slot
BCM
Continuity
Connector
Terminal
Connector
Terminal
M99
2
M122
80
Existed
Key slot
Ground
Continuity
Connector
Terminal
M99
2
Not existed
SEC-46
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
B2191 DIFFERENCE OF KEY
B2191 DIFFERENCE OF KEY
Description
INFOID:0000000005515498
Performs ID verification through BCM and Intelligent Key when push-button ignition switch is pressed.
Prohibits the release of steering lock (models with steering lock unit) or start of engine when an unregistered
ID of Intelligent Key is used.
DTC Logic
INFOID:0000000005515499
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Press the push-button ignition switch
2.
Check “Self diagnostic result” with CONSULT-III.
Is DTC detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000005515500
1.
PERFORM INITIALIZATION
Perform initialization with CONSULT-III. Re-register all Intelligent Keys.
For initialization and registration of Intelligent Key. Refer to “CONSULT-III Operation Instruction NATS-IVIS/
NVIS”.
Can the system be initialized and can the engine be started with re-registered Intelligent Key?
YES
>> INSPECTION END
NO
>> GO TO 2.
2.
REPLACE INTELLIGENT KEY
1.
Replace Intelligent Key.
2.
Perform initialization with CONSULT-III.
For initialization and registration of Intelligent Key. Refer to “CONSULT-III Operation Instruction NATS-IVIS/
NVIS”.
Can the system be initialized and can the engine be started with re-registered Intelligent Key?
YES
>> INSPECTION END
NO
>> GO TO 3.
3.
CHECK INTERMITTENT INCIDENT
GI-39, "Intermittent Incident"
>> INSPECTION END
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
B2191
DIFFERENCE OF KEY
The ID verification result between BCM and Intelligent Key
is NG. The registration is necessary.
Intelligent Key
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