Nissan X-Trail 32. Instruction — part 1838
B2196 DONGLE UNIT
SEC-119
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
B2196 DONGLE UNIT
DTC Description
INFOID:0000000010926566
BCM performs ID verification between BCM and dongle unit.
When verification result is OK, BCM permits cranking.
DTC DETECTION LOGIC
POSSIBLE CAUSE
• Harness or connectors
(Dongle unit circuit is open or shorted.)
• Dongle unit
FAIL-SAFE
Inhibit engine cranking
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn ignition switch ON.
2.
Turn ignition switch OFF.
3.
Turn ignition switch ON.
4.
Check DTC in “Self-diagnosis result” mode of “BCM” using CONSULT.
Is the DTC detected?
YES
>> Refer to
SEC-119, "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:0000000010926567
1.
PERFORM INITIALIZATION
1.
Perform initialization of BCM and registration of all mechanical keys using CONSULT.
For initialization and registration procedures, refer to CONSULT Immobilizer mode and follow the on-
screen instructions.
2.
Start the engine.
Dose the engine start?
YES
>> INSPECTION END
NO
>> GO TO 2.
2.
CHECK DONGLE UNIT CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect BCM connector and dongle unit connector.
3.
Check continuity between BCM harness connector and dongle unit harness connector.
4.
Check continuity between BCM harness connector and ground.
DTC No.
CONSULT screen items
(Trouble diagnosis content)
DTC detecting condition
B2196-00
DONGLE NG
(Dongle unit not good)
The ID verification results between BCM and dongle unit is invalid.
BCM
Dongle unit
Continuity
Connector
Terminal
Connector
Terminal
M87
56
M53
1
Existed
BCM
Ground
Continuity
Connector
Terminal
M87
56
Not existed
SEC-120
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
B2196 DONGLE UNIT
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.
Dongle unit
Ground
Continuity
Connector
Terminal
M53
1
Existed
B2198 NATS ANTENNA AMP.
SEC-121
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
B2198 NATS ANTENNA AMP.
DTC Description
INFOID:0000000010922153
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.
Select “Self Diagnostic Result” mode of “BCM” using CONSULT.
Is DTC detected?
YES
>> Refer to
SEC-121, "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:0000000010922154
1.
CHECK NATS ANTENNA AMP. COMMUNICATION SIGNAL
Check voltage signal between NATS antenna amp. harness connector and ground using an oscilloscope.
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
SEC-122
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
B2198 NATS ANTENNA AMP.
Is the inspection result normal?
YES
>> Replace NATS antenna amp. Refer to
SEC-208, "Removal and Installation"
.
NO
>> GO TO 2.
2.
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 NATS antenna amp. harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness.
3.
REPLACE BCM
Replace BCM. Refer to
BCS-121, "Removal and Installation"
.
>> INSPECTION END
(+)
(–)
Condition
Voltage (V)
NATS antenna amp.
Connector
Terminal
M26
1
Ground
Intelligent Key battery is re-
moved and brake pedal is
depressed
Other than above
When a registered In-
telligent Key backside
is contacted to push-
button ignition switch
0V
3
Other than above
When a registered In-
telligent Key backside
is contacted to push-
button ignition switch
0V
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
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