Nissan X-Trail 32. Instruction — part 1878
B2196 DONGLE UNIT
SEC-279
< 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 3.
NO
>> Repair or replace harness.
3.
CHECK DONGLE UNIT GROUND CIRCUIT
Check continuity between dongle unit harness connector and ground.
Is the inspection result normal?
YES
>> Replace dongle unit.
NO
>> Repair or replace harness.
BCM
Ground
Continuity
Connector
Terminal
M87
56
Not existed
Dongle unit
Ground
Continuity
Connector
Terminal
M53
4
Existed
SEC-280
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT INTELLIGENT KEY SYSTEM]
B2198 NATS ANTENNA AMP.
B2198 NATS ANTENNA AMP.
DTC Description
INFOID:0000000010922294
DTC DETECTION LOGIC
POSSIBLE CAUSE
• Harness or connectors
(NATS antenna amp. circuit is open or shorted.)
• NATS antenna amp.
FAIL-SAFE
Inhibit engine cranking
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-18, "POWER CONSUMPTION CONTROL SYSTEM : System Description"
2.
Turn ignition switch ON.
3.
Check DTC in “Self Diagnostic Result” mode of “BCM” using CONSULT.
Is DTC detected?
YES
>> Refer to
SEC-280, "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:0000000010922295
1.
CHECK NATS ANTENNA AMP. POWER SUPPLY
1.
Disconnect NATS antenna amp. connector.
2.
Check voltage between NATS antenna amp. harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> GO TO 2.
2.
CHECK FUSE
1.
Turn ignition switch OFF.
2.
Check that the following fuse in fuse block (J/B) is not blown.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Replace the blown fuse after repairing the cause of blowing.
3.
CHECK NATS ANTENNA AMP. POWER SUPPLY CIRCUIT
1.
Disconnect fuse block (J/B) connector.
DTC No.
CONSULT screen items
(Trouble diagnosis content)
DTC detecting condition
B2198-00
NATS ANTENNA AMP.
(Nissan Anti-Theft System antenna
amplifier)
Inactive communication between NATS antenna amp. and BCM
NATS antenna amp.
(-)
voltage
Connector
Terminal
M69
3
Ground
Battery voltage
Signal name
Fuse No
Battery voltage
9 (5A)
B2198 NATS ANTENNA AMP.
SEC-281
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
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
>> Check intermittent incident. Refer to
GI-44, "Intermittent Incident"
.
NO
>> Repair or replace harness.
4.
CHECK NATS ANTENNA AMP. GROUND CIRCUIT
1.
Check continuity between NATS antenna amp. harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace harness.
5.
CHECK NATS ANTENNA AMP. 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 6.
6.
CHECK NATS ANTENNA AMP. COMMUNICATION SIGNAL CIRCUIT
1.
Disconnect BCM connector.
2.
Check continuity between NATS antenna amp. harness connector and BCM harness connector.
3.
Check continuity between BCM harness connector and ground.
NATS antenna amp.
Fuse block (J/B)
Continuity
Connector
Terminal
Connector
Terminal
M69
3
M2
12B
Existed
NATS antenna amp.
Ground
Continuity
Connector
Terminal
Not existed
M69
3
NATS antenna amp.
Ground
Continuity
Connector
Terminal
Existed
M69
2
(+)
(–)
Condition
Voltage (V)
NATS antenna amp.
Connector
Terminal
M69
1
Ground
Just after inserting ignition key into
key cylinder
Pointer of tester should move
Other than above
0 V
4
Just after inserting ignition key into
key cylinder
Pointer of tester should move
Other than above
0 V
NATS antenna amp.
BCM
Continuity
Connector
Terminal
Connector
Terminal
M69
1
M86
109
Existed
4
113
SEC-282
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT INTELLIGENT KEY SYSTEM]
B2198 NATS ANTENNA AMP.
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> Repair or replace harness.
7.
REPLACE BCM
Replace BCM. Refer to
BCS-121, "Removal and Installation"
.
>> INSPECTION END
BCM
Ground
Continuity
Connector
Terminal
M86
113
Not existed
109
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