Nissan X-Trail 32. Manual — part 1876
B2190 CHAIN OF BCM - IMM ANT
SEC-271
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT 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
>> GO TO 6.
NO
>> GO TO 5.
5.
CHECK NATS ANTENNA AMP. POWER SUPPLY CIRCUIT
1.
Disconnect fuse block (J/B) connector.
2.
Check continuity between NATS antenna amp. harness connector and fuse block (J/B) harness connec-
tor.
3.
Check continuity between NATS antenna amp. harness connector and ground.
Is the inspection result normal?
YES
>> Replace fuse block (J/B).
NO
>> Repair or replace harness.
6.
CHECK NATS ANTENNA AMP. GROUND CIRCUIT
Check continuity between NATS antenna amp. harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> Repair or replace harness.
7.
CHECK NATS ANTENNA COMMUNICATION SIGNAL
Check voltage between NATS antenna amp. harness connector and ground.
Is the inspection result normal?
YES
>> Replace NATS antenna amp. Refer to
SEC-311, "Removal and Installation"
NO
>> GO TO 8.
8.
CHECK NATS ANTENNA COMMUNICATION SIGNAL CIRCUIT
(+)
(-)
Voltage
NATS antenna amp.
Connector
Terminal
M69
3
Ground
Battery voltage
NATS antenna amp.
Fuse block (J/B)
Continuity
Connector
Terminal
Connector
Terminal
M69
3
M2
12B
Existed
NATS antenna amp.
Ground
Continuity
Connector
Terminal
M69
3
Not existed
NATS antenna amp.
Ground
Continuity
Connector
Terminal
M69
2
Existed
(+)
(-)
Condition
Voltage
NATS antenna amp.
Connector
Terminal
M69
1
Ground
Just after inserting igni-
tion key into key cylinder
Pointer of tester should move
Other than above
0 V
4
Just after inserting igni-
tion key into key cylinder
Pointer of tester should move
Other than above
0 V
SEC-272
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT INTELLIGENT KEY SYSTEM]
B2190 CHAIN OF BCM - IMM ANT
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 BCM harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 9.
NO
>> Repair or replace harness.
9.
REPLACE BCM
Replace BCM. Refer to
BCS-121, "Removal and Installation"
.
>> INSPECTION END
NATS antenna amp.
BCM
Continuity
Connector
Terminal
Connector
Terminal
M69
1
M86
109
Existed
4
113
BCM
Ground
Continuity
Connector
Terminal
M69
109
Not existed
113
B2191 ID DISCORD, BCM - IMM ANT
SEC-273
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT 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:0000000010922286
DTC DETECTION LOGIC
POSSIBLE CAUSE
Ignition 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-273, "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:0000000010922287
1.
IGNITION KEY REGISTRATION
Using CONSULT, register all Ignition Keys again.
Can engine be started with the registered Ignition Key?
YES
>> INSPECTION END
NO
>> GO TO 2.
2.
REPLACE IGNITION KEY
1.
Prepare Ignition Key that matches the vehicle.
2.
Registration of all Ignition Key using CONSULT.
Can engine be started with the registered Ignition Key?
YES
>> INSPECTION END
NO
>> GO TO 3.
3.
CHECK INTERMITTENT INCIDENT
GI-44, "Intermittent Incident"
.
>> INSPECTION END
DTC
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 Immobilizer ID in
0.6 seconds or more.
SEC-274
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT INTELLIGENT KEY SYSTEM]
B2192 ID DISCORD, BCM-ECM
B2192 ID DISCORD, BCM-ECM
DTC Description
INFOID:0000000010922288
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
SEC-274, "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:0000000010922289
1.
PERFORM INITIALIZATION
Perform initialization of BCM and registration of all ignition keys using CONSULT.
Can the system be initialized and can the engine be started with registered ignition key?
YES
>> INSPECTION END
NO
>> GO TO 2.
2.
CHECK SELF DIAGNOSIS 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 ignition key?
YES
>> INSPECTION END
NO
>> GO TO 4.
4.
REPLACE ECM
EC-430, "Removal and Installation"
(MR20DD engine models),
(QR25DE engine models) or
EC-1226, "Removal and Installation"
(R9M engine models).
>> INSPECTION END
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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