Nissan X-Trail 32. Instruction — part 1836
B2190 CHAIN OF BCM - IMM ANT
SEC-111
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
Is the inspection result normal?
YES
>> Replace NATS antenna amp. Refer to
SEC-208, "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.
3.
Check continuity between NATS antenna amp. connector and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace harness.
5.
REPLACE BCM
BCS-121, "Removal and Installation"
.
(+)
(-)
Condition
Voltage
NATS antenna amp.
Connector
Terminal
M26
1
Ground
Intelligent Key bat-
tery is removed and
brake pedal is de-
pressed
Other than above
When a registered
Intelligent Key back-
side is contacted to
push-button ignition
switch
0 V
3
Other than above
When a registered
Intelligent Key back-
side is contacted to
push-button ignition
switch
0 V
JMMIA1651GB
JMMIA1650GB
NATS antenna amp.
BCM
Continuity
Connector
Terminal
Connector
Terminal
M26
1
M86
115
Existed
3
114
NATS antenna amp.
Ground
Continuity
Connector
Terminal
M26
1
Not existed
3
SEC-112
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
B2190 CHAIN OF BCM - IMM ANT
>> INSPECTION END
B2191 ID DISCORD, BCM - IMM ANT
SEC-113
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
B2191 ID DISCORD, BCM - IMM ANT
DTC Description
INFOID:0000000010922145
DTC DETECTION LOGIC
POSSIBLE CAUSE
Intelligent Key
FAIL-SAFE
Inhibit engine cranking
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
SEC-113, "Diagnosis Procedure"
NO-1
>> To check malfunction symptom before repair: Refer to
GI-44, "Intermittent Incident"
NO-2
>> Confirmation after repair: INSPECTION END
Diagnosis Procedure
INFOID:0000000010922146
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
(Trouble diagnosis content)
DTC detecting condition
B2191–00
ID DISCORD, BCM-IMMANT
(Identification discord, body
control module - immobilizer
antenna)
When BCM continuously cannot detect inconsistency of Intelligent Key ID
in 0.6 seconds or more.
SEC-114
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
B2192 ID DISCORD, BCM-ECM
B2192 ID DISCORD, BCM-ECM
DTC Description
INFOID:0000000010922147
DTC DETECTION LOGIC
POSSIBLE CAUSE
• BCM
• ECM
FAIL-SAFE
Inhibit engine cranking
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn ignition switch ON.
2.
Select “Self Diagnostic Result” mode of “BCM” using CONSULT.
Is DTC detected?
YES
>> Refer to
SEC-114, "Diagnosis Procedure"
NO-1
>> To check malfunction symptom before repair: Refer to
GI-44, "Intermittent Incident"
.
NO-2
>> Confirmation after repair: INSPECTION END
Diagnosis Procedure
INFOID:0000000010922148
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 B2192-00. Refer to
Is DTC detected?
YES
>> GO TO 3.
NO
>> INSPECTION END
3.
REPLACE BCM
Replace BCM. Refer to
BCS-121, "Removal and Installation"
.
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.
• MR20DD:
EC-430, "Removal and Installation"
• QR25DE:
EC-806, "Removal and Installation"
• R9M:
EC-1226, "Removal and Installation"
DTC No.
CONSULT screen items
(Trouble diagnosis content)
DTC detecting condition
B2192-00
ID DISCORD BCM-ECM
(Identification discord body control module -
engine control module)
The ID verification results between BCM and ECM are NG.
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