Infiniti G35 (V35) Sedan. Manual — part 205
BCS
B2563 HI VOLTAGE
BCS-37
< COMPONENT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
B2563 HI VOLTAGE
DTC Logic
INFOID:0000000000963902
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
DTC CONFIRMATION
1.
Erase DTC.
2.
Turn ignition switch OFF.
3.
Perform the “Self-Diag Results” of CONSULT-III, when passed 90 seconds or more after the ignition
switch is turned ON.
Is any DTC detected?
YES
>> Refer to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000000963903
1.
CHECK POWER SUPPLY CIRCUIT
Check BCM power supply circuit. Refer to
Is the circuit normal?
YES
>> Replace BCM.
NO
>> Repair the malfunctioning part.
Special Repair Requirement
INFOID:0000000000963904
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
description
DTC Detection Condition
Possible cause
B2563
HI VOLTAGE
When the power supply voltage to BCM remains more
than 18 V for 90 seconds or more
Harness or connector (power supply
circuit)
BCS-38
< COMPONENT DIAGNOSIS >
POWER SUPPLY AND GROUND CIRCUIT
POWER SUPPLY AND GROUND CIRCUIT
Diagnosis Procedure
INFOID:0000000000963905
1.
CHECK FUSE AND FUSIBLE LINK
Check that the following fuse and fusible link are not blown.
Is the fuse fusing?
YES
>> Replace the blown fuse or fusible link after repairing the affected circuit if a fuse or fusible link is
blown.
NO
>> GO TO 2.
2.
CHECK POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect BCM connectors.
3.
Check voltage between BCM harness connector and ground.
Is the measurement value normal?
YES
>> GO TO 3.
NO
>> Repair harness or connector.
3.
CHECK GROUND CIRCUIT
Check continuity between BCM harness connector and ground.
Does continuity exist?
YES
>> INSPECTION END
NO
>> Repair harness or connector.
Terminal No.
Signal name
Fuse and fusible link No.
1
Battery power supply
K
11
10
Terminals
Voltage
(Approx.)
(+)
(
−
)
BCM
Ground
Connector
Terminal
M118
1
Battery voltage
M119
11
BCM
Ground
Continuity
Connector
Terminal
M119
13
Existed
BCS
COMBINATION SWITCH INPUT CIRCUIT
BCS-39
< COMPONENT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
COMBINATION SWITCH INPUT CIRCUIT
Diagnosis Procedure
INFOID:0000000000963906
1.
CHECK INPUT 1 - 5 SYSTEM CIRCUIT FOR OPEN
1.
Turn the ignition switch OFF.
2.
Disconnect the BCM and combination switch connectors.
3.
Check continuity between BCM harness connector and combination switch harness connector.
Does continuity exist?
YES
>> GO TO 2.
NO
>> Repair the harnesses or connectors.
2.
CHECK INPUT 1 - 5 SYSTEM CIRCUIT FOR SHORT
Check for continuity between BCM harness connector and ground.
Does continuity exist?
YES
>> Repair the harnesses or connectors.
NO
>> GO TO 3.
3.
CHECK BCM OUTPUT VOLTAGE
1.
Connect the BCM connector.
2.
Check voltage between BCM harness connector and ground.
Is the measurement value normal?
YES
>> GO TO 4.
NO
>> Replace BCM.
System
BCM
Combination switch
Continuity
Connector
Terminal
Connector
Terminal
INPUT 1
M122
107
M33
11
Existed
INPUT 2
109
9
INPUT 3
88
7
INPUT 4
108
10
INPUT 5
87
13
System
BCM
Ground
Continuity
Connector
Terminal
INPUT 1
M122
107
Not existed
INPUT 2
109
INPUT 3
88
INPUT 4
108
INPUT 5
87
System
Terminals
Voltage
(Approx.)
(+)
(
−
)
BCM
Ground
Connector
Terminal
INPUT 1
M122
107
Refer to
.
INPUT 2
109
INPUT 3
88
INPUT 4
108
INPUT 5
87
BCS-40
< COMPONENT DIAGNOSIS >
COMBINATION SWITCH INPUT CIRCUIT
4.
CHECK BCM INPUT SIGNAL
1.
Connect the combination switch connector.
2.
Turn ON any switch in the system that is malfunctioning.
3.
Check voltage between BCM harness connector and ground.
Is the measurement value normal when any of the switches is turned ON?
YES
>> Replace BCM.
NO
>> Replace the combination switch.
Special Repair Requirement
INFOID:0000000000963907
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.
System
Terminals
Voltage
(Approx.)
(+)
(
−
)
BCM
Ground
Connector
Terminal
INPUT 1
M122
107
Refer to
INPUT 2
109
INPUT 3
88
INPUT 4
108
INPUT 5
87
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