Infiniti G35 (V35) Sedan. Manual — part 349
U1010 CONTROL UNIT (CAN)
DLK-57
< COMPONENT DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
DLK
N
O
P
U1010 CONTROL UNIT (CAN)
DTC Logic
INFOID:0000000000961123
DTC DETECTION LOGIC
Diagnosis Procedure
INFOID:0000000000961124
1.
REPLACE BCM
When DTC [U1010] is detected, replace BCM.
>> Replace BCM.
Special Repair Requirement
INFOID:0000000000961125
1.
REQUIRED WORK WHEN REPLACING BCM
Initialize IVIS by CONSULT-III. For the details of initialization refer to CONSULT-III operation manual NATS-
IVIS/NVIS.
>> Work end.
DTC
CONSULT-III display de-
scription
DTC Detection Condition
Possible cause
U1010
CONTROL UNIT (CAN)
BCM detected internal CAN communication circuit malfunction.
BCM
DLK-58
< COMPONENT DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
B2621 INSIDE KEY ANTENNA 1
B2621 INSIDE KEY ANTENNA 1
Description
INFOID:0000000000961126
Detects whether Intelligent Key is inside the vehicle.
Installed in the instrument center.
DTC Logic
INFOID:0000000000961127
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT-III
1.
Perform inside key antenna (“INSIDE ANT DIAGNOSIS”) on Work Support” of “INTELLIGENT KEY”.
2.
Perform “INTELLIGENT KEY” Self Diagnostic Result.
Is inside key antenna DTC detected?
YES
>> Refer to
.
NO
>> Inside key antenna (instrument center) is OK.
Diagnosis Procedure
INFOID:0000000000961128
1.
CHECK INSIDE KEY ANTENNA INPUT SIGNAL 1
1.
Turn ignition switch OFF.
2.
Check signal between BCM connector and ground with oscilloscope.
Is the inspection result normal?
YES
>> Check the condition of harness and connector.
NO
>> GO TO 2.
2.
CHECK INSIDE KEY ANTENNA CIRCUIT
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
B2621
INSIDE ANTENNA 1
CIRCUIT
An excessive high or low voltage from inside anten-
na is sent to BCM.
• Inside key antenna (instrument
center)
• Between BCM and Inside key an-
tenna (instrument center)
Terminals
Condition
Signal
(Reference value.)
(+)
(–)
BCM connector
Terminal
M122
Instrument cen-
ter
79
Ground
Place Intelligent Key inside the
vehicle.
Place Intelligent Key outside
the vehicle.
JMKIA0062GB
JMKIA0063GB
B2621 INSIDE KEY ANTENNA 1
DLK-59
< COMPONENT DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
DLK
N
O
P
1.
Disconnect BCM and inside key antenna connector.
2.
Check continuity between BCM connector and inside key antenna connector.
3.
Check continuity between BCM connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness between BCM and inside key antenna.
3.
CHECK INSIDE KEY ANTENNA INPUT SIGNAL 2
1.
Replace inside key antenna (instrument center). (New antenna or other antenna)
2.
Connect BCM and inside key antenna (instrument center) connector.
3.
Check signal between BCM connector and ground with oscilloscope.
Is the inspection result normal?
YES
>> Replace inside key antenna (instrument center). Refer to
.
NO
>> Replace BCM. Refer to
BCS-79, "Removal and Installation"
BCM connector
Terminal
Inside key antenna connector
Terminal
Continuity
M122
78
M131
Instrument center
2
Existed
79
1
BCM connector
Terminal
Ground
Continuity
M122
Instrument center
78
Not existed
79
Terminals
Condition
Signal
(Reference value.)
(+)
(–)
BCM connector
Terminal
M122
Instrument cen-
ter
79
Ground
Place Intelligent Key inside the
vehicle.
Place Intelligent Key outside
the vehicle.
JMKIA0062GB
JMKIA0063GB
DLK-60
< COMPONENT DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
B2622 INSIDE KEY ANTENNA 2
B2622 INSIDE KEY ANTENNA 2
Description
INFOID:0000000000961129
Detects whether Intelligent Key is inside the vehicle.
Installed in the console.
DTC Logic
INFOID:0000000000961130
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT-III
1.
Perform inside key antenna (“INSIDE ANT DIAGNOSIS”) on “Work Support” of “INTELLIGENT KEY”.
2.
Perform “INTELLIGENT KEY” Self Diagnostic Result.
Is inside key antenna DTC detected?
YES
>> Refer to
.
NO
>> Inside key antenna (console) is OK.
Diagnosis Procedure
INFOID:0000000000961131
1.
CHECK INSIDE KEY ANTENNA INPUT SIGNAL 1
1.
Turn ignition switch OFF.
2.
Check signal between BCM connector and ground with oscilloscope.
Is the inspection result normal?
YES
>> Check the condition of harness and connector.
NO
>> GO TO 2.
2.
CHECK INSIDE KEY ANTENNA CIRCUIT
1.
Disconnect BCM and inside key antenna (console) connector.
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
B2622
INSIDE ANTENNA 2
CIRCUIT
An excessive high or low voltage from inside anten-
na is sent to BCM.
• Inside key antenna (console)
• Between BCM
∼
Inside key anten-
na (console)
Terminals
Condition
Signal
(Reference value.)
(+)
(–)
BCM connector
Terminal
M122
Console
73
Ground
Place Intelligent Key inside the
vehicle.
Place Intelligent Key outside the
vehicle.
JMKIA0062GB
JMKIA0063GB
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