Infiniti QX56 (Z62). Manual — part 1168
SEC-62
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
B2195 ANTI-SCANNING
B2195 ANTI-SCANNING
DTC Logic
INFOID:0000000006226214
DTC DETECTION LOGIC
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-III.
Is DTC detected?
YES
>> Refer to
.
NO
>> INSPECTION END.
Diagnosis Procedure
INFOID:0000000006226215
1.
CHECK SELF DIAGNOSTIC RESULT 1
1.
Select “Self Diagnostic Result” mode of “BCM” using CONSULT-III.
2.
Erase DTC.
3.
Perform DTC CONFIRMATION PROCEDURE for DTC B2195. Refer to
Is DTC detected?
YES
>> GO TO 2.
NO
>> INSPECTION END
2.
CHECK EQUIPMENT OF THE VEHICLE
Check that unspecified accessory part related to engine start is not installed.
Is unspecified accessory part related to engine start installed?
YES
>> GO TO 3.
NO
>> GO TO 4.
3.
CHECK SELF DIAGNOSTIC RESULT 2
1.
Obtain the customers approval to remove unspecified accessory part related to engine start, and then
remove it.
2.
Select “Self Diagnostic Result” of “BCM” using CONSULT-III.
3.
Erase DTC.
4.
Perform DTC CONFIRMATION PROCEDURE for DTC B2195. Refer to
Is DTC detected?
YES
>> GO TO 4.
NO
>> INSPECTION END
4.
REPLACE BCM
1.
Replace BCM. Refer to
BCS-81, "Removal and Installation"
.
2.
Perform initialization of BCM and registration of all Intelligent Keys using CONSULT-III.
For initialization and registration procedures, refer to CONSULT-III Operation Manual NATS-IVIS/NVIS.
>> INSPECTION END
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
B2195
ANTI-SCANNING
ID verification between BCM and ECM that is
out of the specified specification is detected.
ID verification request out of the
specified specification
B2196 DONGLE UNIT
SEC-63
< 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
Description
INFOID:0000000006226660
BCM performs ID verification between BCM and dongle unit.
When verification result is OK, BCM permits cranking.
DTC Logic
INFOID:0000000006226661
DTC DETECTION LOGIC
NOTE:
• If DTC B2196 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
• If DTC B2196 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to
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 “Self-diagnosis result” using CONSULT-III.
Is the DTC detected?
YES
>> Refer to
NO
>> INSPECTION END.
Diagnosis Procedure
INFOID:0000000006226662
1.
PERFORM INITIALIZATION
1.
Perform initialization of BCM and reregistration of all Intelligent Keys using CONSULT-III.
For initialization and registration procedures, refer to CONSULT-III Operation Manual NATS-IVIS/NVIS.
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.
Is the inspection result normal?
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
B2196
DONGLE NG
The ID verification results between BCM
and dongle unit is NG.
• Harness or connectors
(Dongle unit circuit is open or shorted.)
• Dongle unit
BCM
Dongle unit
Continuity
Connector
Terminal
Connector
Terminal
M68
24
M142
7
Existed
BCM
Ground
Continuity
Connector
Terminal
M68
24
Not existed
SEC-64
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
B2196 DONGLE UNIT
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
M142
1
Existed
B2198 NATS ANTENNA AMP.
SEC-65
< 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 Logic
INFOID:0000000006226216
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE 1
1.
Contact Intelligent Key backside to push-button ignition switch.
2.
Check DTC in “Self Diagnostic Result” mode of “BCM” using CONSULT-III.
Is DTC detected?
YES
>> Go to
NO
>> GO TO 2.
2.
PERFORM DTC CONFIRMATION PROCEDURE 2
1.
Press the push-button ignition switch.
2.
Check DTC in “Self Diagnostic Result” mode of “BCM” using CONSULT-III.
Is DTC detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000006226217
1.
CHECK FUSE
1.
Turn ignition switch OFF.
2.
Check that the following fuse in IPDM E/R is not blown.
Is the fuse fusing?
YES
>> Replace the blown fuse after repairing the cause of blowing.
NO
>> GO TO 2.
2.
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 3.
3.
CHECK NATS ANTENNA AMP. POWER SUPPLY CIRCUIT
1.
Disconnect IPDM E/R connector.
2.
Check continuity between IPDM E/R harness connector and NATS antenna amp. connector.
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
B2198
NATS ANTENNA AMP.
Inactive communication between NATS
antenna amp. and BCM
• Harness or connectors
(NATS antenna amp. circuit is open or
shorted.)
• NATS antenna amp.
• IPDM E/R
Signal name
Fuse No.
Battery power supply
43
(+)
(–)
Voltage (V)
(Approx.)
NATS antenna amp.
Connector
Terminal
M26
1
Ground
Battery voltage
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