Infiniti G35 (V35) Sedan. Manual — part 1433
WCS-16
< FUNCTION DIAGNOSIS >
DIAGNOSIS SYSTEM (BCM)
DATA MONITOR
ACTIVE TEST
Test item
Diagnosis mode
Description
BUZZER
Data Monitor
Displays BCM input data in real time.
Active Test
Operation of electrical loads can be checked by sending driving signal to them.
Display item
[Unit]
Description
VEH SPEED 1
[Km/h]
Value of vehicle speed signal received from ABS actuator and electric unit (control unit) with CAN
communication line.
PUSH SW
[On/Off]
Status of push button ignition switch judged by BCM.
UNLK SEN-DR
[On/Off]
Status of unlock sensor judged by BCM.
KEY SW-SLOT
[On/Off]
Status of key slot judged by BCM.
TAIL LAMP SW
[On/Off]
Status of each switch judged by BCM using the combination switch readout function.
FR FOG SW
[On/Off]
Status of front fog lamp switch judged by BCM.
DOOR SW-DR
[On/Off]
Status of driver side door switch judged by BCM.
Display item
[Unit]
Description
IGN KEY WARN ALM
The key warning chime operation can be checked by operating the relevant function (On/Off).
SEAT BELT WARN TEST
The seat belt warning chime operation can be checked by operating the relevant function (On/Off).
ID REGIST WARNING
The ID regist warning chime operation can be checked by operating the relevant function (On/Off).
LIGHT WARN ALM
The light warning chime operation can be checked by operating the relevant function (On/Off).
RUN FLAT/T WARN BUZZER
The run-flat tire warning chime operation can be checked by operating the relevant function (On/Off).
WCS
POWER SUPPLY AND GROUND CIRCUIT
WCS-17
< COMPONENT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
L
M
B
N
A
O
P
COMPONENT DIAGNOSIS
POWER SUPPLY AND GROUND CIRCUIT
COMBINATION METER
COMBINATION METER : Diagnosis Procedure
INFOID:0000000000964487
1.
CHECK FUSE
Check for blown fuses.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Be sure to eliminate cause of malfunction before installing new fuse.
2.
CHECK POWER SUPPLY CIRCUIT
Check voltage between combination meter harness connector M53 terminals 1, 21 and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Check harness between combination meter and fuse.
3.
CHECK GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect combination meter connector.
3.
Check continuity between combination meter harness connector M53 terminals 5, 15, 22 and ground.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Repair harness or connector.
UNIFIED METER AND A/C AMP.
UNIFIED METER AND A/C AMP. : Diagnosis Procedure
INFOID:0000000000964488
1.
CHECK FUSE
Check for blown fuses.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Be sure to eliminate cause of malfunction before installing new fuse.
2.
CHECK POWER SUPPLY CIRCUIT
Check voltage between unified meter and A/C amp. harness connector M67 terminals 54, 41, 53 and ground.
Power source
Fuse No.
Battery
11
Ignition switch ON or START
4
Terminal No.
Signal name
Ignition switch position
Value (Approx.)
1
Battery power supply
OFF
Battery voltage
21
Ignition signal
ON
Battery voltage
5, 15, 22 - Ground
: Continuity should exist.
Power source
Fuse No.
Battery
6
Ignition switch ACC or ON
19
Ignition switch ON or START
3
WCS-18
< COMPONENT DIAGNOSIS >
POWER SUPPLY AND GROUND CIRCUIT
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Check harness between unified meter and A/C amp. and fuse.
3.
CHECK GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect unified meter and A/C amp. connector.
3.
Check continuity between unified meter and A/C amp. harness connector M67 terminals 55, 71 and
ground.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Repair harness or connector.
BCM (BODY CONTROL MODULE)
BCM (BODY CONTROL MODULE) : Diagnosis Procedure
INFOID:0000000000964489
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.
Terminal No.
Signal name
Ignition switch position
Value (Approx.)
54
Battery power supply
OFF
Battery voltage
41
ACC power supply
ACC
Battery voltage
53
Ignition signal
ON
Battery voltage
55, 71 - Ground
: Continuity should exist.
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
WCS
POWER SUPPLY AND GROUND CIRCUIT
WCS-19
< COMPONENT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
L
M
B
N
A
O
P
Does continuity exist?
YES
>> INSPECTION END
NO
>> Repair harness or connector.
BCM (BODY CONTROL MODULE) : Special Repair Requirement
INFOID:0000000000964490
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.
BCM
Ground
Continuity
Connector
Terminal
M119
13
Existed
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