Nissan Qashqai J11. Manual — part 1447
B2190 CHAIN OF BCM - IMM ANT
SEC-87
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
B2190 CHAIN OF BCM - IMM ANT
DTC Logic
INFOID:0000000010438822
DTC DETECTION LOGIC
POSSIBLE CAUSE
Intelligent Key
FAIL-SAFE
Security indicator lamp turn ON
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Make the conditions that BCM enters in the low power consumption mode (BCM sleep condition).
Refer to
BCS-17, "POWER CONSUMPTION CONTROL SYSTEM : System Description"
2.
Turn ignition switch ON.
3.
Check to DTC in “Self Diagnostic Result” mode of “BCM” CONSULT.
Is DTC detected?
YES
>> Refer to
NO-1
>> To check malfunction symptom before repair: Refer to
GI-44, "Intermittent Incident"
NO-2
>> Confirmation after repair: INSPECTION END
Diagnosis Procedure
INFOID:0000000010438823
1.
INTELLIGENT KEY REGISTRATION
Using CONSULT, register all Intelligent Keys again.
>> GO TO 2
2.
PERFORM SELF-DIAGNOSIS RESULT
1.
Select “Self Diagnosis Result” mode of “BCM” using CONSULT.
2.
Erase DTC.
3.
Perform DTC CONFIRMATION PROCEDURE for B2190. Refer to
Is DTC detected?
YES
>> GO TO 3
NO
>> INSPECTION END
3.
CHECK NATS ANTENNA COMMUNICATION SIGNAL
Check voltage signal between NATS antenna amp. harness connector and ground using an oscilloscope.
DTC No.
CONSULT screen items
DTC detecting condition
B2190–00
CHAIN OF BCM-IMM ANT
When BCM cannot detect the Intelligent Key ID in 0.6 seconds.
SEC-88
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
B2190 CHAIN OF BCM - IMM ANT
Is the inspection result normal?
YES
>> Replace NATS antenna amp. Refer to
SEC-187, "Removal and Installation"
.
NO
>> GO TO 4
4.
CHECK NATS ANTENNA COMMUNICATION SIGNAL CIRCUIT
1.
Disconnect BCM connector and NATS antenna connector.
2.
Check continuity between NATS antenna amp. harness connector and BCM harness connector.
Is the inspection result normal?
YES
>> GO TO 5
NO
>> Repair or replace harness.
5.
REPLACE BCM
Replace BCM. Refer to
BCS-135, "Removal and Installation"
.
>> INSPECTION END
(+)
(-)
Condition
Voltage
NATS antenna amp.
Connector
Terminal
M91
1
Ground
Intelligent Key: In-
telligent Key battery
is removed
Intelligent Key back-
side is not contacted
to push-button igni-
tion switch, turn igni-
tion switch ON.
Intelligent Key back-
side is contacted to
push-button ignition
switch, turn ignition
switch ON.
0 V
3
Intelligent Key: In-
telligent Key battery
is removed
Intelligent Key back-
side is contacted to
push-button ignition
switch, turn ignition
switch ON.
Intelligent Key back-
side is not contacted
to push-button igni-
tion switch, turn igni-
tion switch ON.
0 V
JMMIA1650GB
JMMIA1651GB
NATS antenna amp.
BCM
Continuity
Connector
Terminal
Connector
Terminal
M91
1
M69
115
Existed
3
114
B2191 ID DISCORD, BCM - IMM ANT
SEC-89
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
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J
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A
B
SEC
N
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B2191 ID DISCORD, BCM - IMM ANT
DTC Logic
INFOID:0000000010438824
DTC DETECTION LOGIC
POSSIBLE CAUSE
Intelligent Key
FAIL-SAFE
Security indicator lamp turn ON
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn ignition switch ON.
2.
Check to DTC in “Self Diagnostic Result” mode of “BCM” CONSULT.
Is DTC detected?
YES
>> Refer to
NO-1
>> To check malfunction symptom before repair: Refer to
GI-44, "Intermittent Incident"
NO-2
>> Confirmation after repair: INSPECTION END
Diagnosis Procedure
INFOID:0000000010438825
1.
INTELLIGENT KEY REGISTRATION
Using CONSULT, register all Intelligent Keys again.
Can engine be started with the registered Intelligent Key?
YES
>> INSPECTION END
NO
>> GO TO 2
2.
REPLACE INTELLIGENT KEY
1.
Prepare Intelligent Key that matches the vehicle.
2.
Registration of all Intelligent Key using CONSULT.
Can engine be started with the registered Intelligent Key?
YES
>> INSPECTION END
NO
>> GO TO 3
3.
CHECK INTERMITTENT INCIDENT
GI-44, "Intermittent Incident"
.
>> INSPECTION END
DTC No.
CONSULT screen items
DTC detecting condition
B2191–00
ID DISCORD, BCM-IMMANT
When BCM continuously cannot detect inconsistency of Intelligent Key ID
in 0.6 seconds or more.
SEC-90
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
B2192 ID DISCORD, IMMU-ECM
B2192 ID DISCORD, IMMU-ECM
DTC Logic
INFOID:0000000010438914
DTC DETECTION LOGIC
POSSIBLE CAUSE
• BCM
• ECM
FAIL-SAFE
—
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn ignition switch ON.
2.
Check DTC in “Self Diagnostic Result” mode of “BCM” using CONSULT.
Is DTC detected?
YES
>> Refer to
.
NO-1
>> To check malfunction symptom before repair: Refer to
GI-44, "Intermittent Incident"
.
NO-2
>> Confirmation after repair: INSPECTION END
Diagnosis Procedure
INFOID:0000000010438915
1.
PERFORM INITIALIZATION
Perform initialization of BCM and registration of all Intelligent Keys using CONSULT.
Can the system be initialized and can the engine be started with registered Intelligent Key?
YES
>> INSPECTION END
NO
>> GO TO 2.
2.
CHECK SELF DIAGNOSTIC RESULT
1.
Select “Self Diagnostic Result” mode of “BCM” using CONSULT.
2.
Erase DTC.
3.
Perform DTC CONFIRMATION PROCEDURE for DTC B2192. Refer to
Is DTC detected?
YES
>> GO TO 3.
NO
>> INSPECTION END
3.
REPLACE BCM
1.
Replace BCM. Refer to
BCS-135, "Removal and Installation"
.
2.
Perform initialization of BCM and registration of all Intelligent Keys using CONSULT.
Can the system be initialized and can the engine be started with registered Intelligent Key?
YES
>> INSPECTION END
NO
>> GO TO 4.
4.
REPLACE ECM
Replace ECM.
Refer to the following procedure.
• HRA2DDT:
ECH-320, "Removal and Installation"
ECK-398, "Removal and Installation"
• R9M:
EC9-409, "Removal and Installation"
• MR20DD:
ECM-1031, "Removal and Installation"
• MR16DDT:
ECM-616, "Removal and Installation"
DTC No.
CONSULT screen items
DTC detecting condition
B2192
ID DISCORD BCM-ECM
The ID verification results between BCM and ECM are NG.
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