Nissan Teana J32. Manual — part 290
DIAGNOSIS SYSTEM (BCM)
DEF-9
< FUNCTION DIAGNOSIS >
C
D
E
F
G
H
I
J
K
M
A
B
DEF
N
O
P
The BCM records the following condition at the moment a particular DTC is detected.
• Vehicle Speed
• Odo/Trip Meter
• Vehicle Condition (BCM detected condition)
IGN Counter
IGN counter indicates the number of times that ignition switch is turned ON after DTC is detected.
• The number is 0 when a malfunction is detected now.
• The number increases like 1
→
2
→
3...38
→
39 after returning to the normal condition whenever ignition
switch OFF
→
ON.
• The number is fixed to 39 until the self-diagnosis results are erased if it is over 39.
REAR WINDOW DEFOGGER
REAR WINDOW DEFOGGER : CONSULT-III Function (BCM - REAR DEFOGGER)
INFOID:0000000003806034
Data monitor
ACTIVE TEST
CONSULT screen terms
Description
SLEEP>LOCK
While turning BCM status from low power consumption mode to normal mode (Power supply
position is “LOCK”.)
SLEEP>OFF
While turning BCM status from low power consumption mode to normal mode (Power supply
position is “OFF”.)
LOCK>ACC
While turning power supply position from “LOCK” to “ACC”
ACC>ON
While turning power supply position from “ACC” to “IGN”
RUN>ACC
While turning power supply position from “RUN” to “ACC” (Vehicle is stopping and selector
lever is except P position.)
CRANK>RUN
While turning power supply position from “CRANKING” to “RUN” (From cranking up the en-
gine to run it)
RUN>URGENT
While turning power supply position from “RUN“ to “ACC” (Emergency stop operation)
ACC>OFF
While turning power supply position from “ACC” to “OFF”
OFF>LOCK
While turning power supply position from “OFF” to “LOCK”
OFF>ACC
While turning power supply position from “OFF” to “ACC”
ON>CRANK
While turning power supply position from “IGN” to “CRANKING”
OFF>SLEEP
While turning BCM status from normal mode (Power supply position is “OFF”.) to low power
consumption mode
LOCK>SLEEP
While turning BCM status from normal mode (Power supply position is “LOCK”.) to low pow-
er consumption mode
LOCK
Power supply position is “LOCK” (Ignition switch OFF with steering is locked.)
OFF
Power supply position is “OFF” (Ignition switch OFF with steering is unlocked.)
ACC
Power supply position is “ACC” (Ignition switch ACC)
ON
Power supply position is “IGN” (Ignition switch ON with engine stopped)
ENGINE RUN
Power supply position is “RUN” (Ignition switch ON with engine running)
CRANKING
Power supply position is “CRANKING” (At engine cranking)
Monitor Item
Description
REAR DEF SW
• Without AV control unit: Displays “Press (ON)/other (OFF)” status determined with the rear win-
dow defogger switch
• With AV control unit: This is displayed even when it is not equipped
PUSH SW
Indicates [ON/OFF] condition of push switch
DEF-10
< FUNCTION DIAGNOSIS >
DIAGNOSIS SYSTEM (BCM)
Test Item
Description
REAR DEFOGGER
This test is able to check rear window defogger operation. Rear window defogger operates when
“ON” on CONSULT-III screen is touched
POWER SUPPLY AND GROUND CIRCUIT
DEF-11
< COMPONENT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
M
A
B
DEF
N
O
P
COMPONENT DIAGNOSIS
POWER SUPPLY AND GROUND CIRCUIT
Diagnosis Procedure
INFOID:0000000003806035
1.
CHECK FUSE AND FUSIBLE LINK
Check that the following fuse and fusible links are not blown.
Is the fuse blown?
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 connector.
3.
Check voltage between BCM harness connector and ground.
Is the measurement value normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness.
3.
CHECK GROUND CIRCUIT
Check continuity between BCM harness connector and ground.
Does continuity exist?
YES
>> INSPECTION END
NO
>> Repair or replace harness.
Terminal No.
Signal name
Fuse and fusible link No.
1
Battery power supply
I (40A)
11
10 (10A)
(+)
(
−
)
Voltage
(Approx.)
Terminal
BCM
Connector
Terminal
Ground
Battery voltage
M118
1
M119
11
BCM
Ground
Continuity
Connector
Terminal
M119
13
Existed
DEF-12
< COMPONENT DIAGNOSIS >
REAR WINDOW DEFOGGER SWITCH
REAR WINDOW DEFOGGER SWITCH
WITH AV CONTROL UNIT
WITH AV CONTROL UNIT : Description
INFOID:0000000003840821
• The rear window defogger is operated by turning the rear window defogger switch ON.
• The indicator lamp in the rear window defogger illuminates when the rear window defogger is operating.
WITH AV CONTROL UNIT : Component Function Check
INFOID:0000000003840822
1.
CHECK FUNCTION
Check that the indicator lamp of rear window defogger illuminates when rear window defogger switch is ON.
Is the inspection result normal?
YES
>> Rear window defogger switch function is OK.
NO
>> Refer to
DEF-12, "WITH AV CONTROL UNIT : Diagnosis Procedure"
WITH AV CONTROL UNIT : Diagnosis Procedure
INFOID:0000000003840823
1.
CHECK MULTIFUNCTION SWITCH (REAR WINDOW DEFOGGER SWITCH)
Does multifunction switch operate normally?
• Base audio with AV control unit. Refer to
AV-15, "Diagnosis Description"
.
• BOSE audio with navigation system. Refer to
AV-419, "Diagnosis Description"
• BOSE audio without navigation system. Refer to
AV-200, "Diagnosis Description"
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Repair or replace the malfunctioning parts.
WITHOUT AV CONTROL UNIT
WITHOUT AV CONTROL UNIT : Description
INFOID:0000000003806036
• The rear window defogger is operated by turning the rear window defogger switch ON.
• The indicator lamp in the rear window defogger illuminates when the rear window defogger is operating.
WITHOUT AV CONTROL UNIT : Component Function Check
INFOID:0000000003806037
1.
CHECK FUNCTION
Check (REAR DEF) in “DATA MONITOR”mode with CONSULT-III when rear window defogger switch is ON.
Is the inspection result normal?
YES
>> Rear window defogger switch function is OK.
NO
>> Refer to
DEF-12, "WITHOUT AV CONTROL UNIT : Diagnosis Procedure"
WITHOUT AV CONTROL UNIT : Diagnosis Procedure
INFOID:0000000003806038
1.
CHECK A/C CONTROL (REAR WINDOW DEFOGGER SWITCH)
Check A/C control system.
Refer to
.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace the malfunctioning parts.
2.
CHECK BCM OUTPUT SIGNAL
1.
Turn ignition switch OFF.
2.
Disconnect A/C auto amp. connector.
3.
Turn ignition switch ON.
4.
Check voltage between A/C auto amp. harness connector and ground with oscilloscope.
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