Nissan Teana J32. Instruction — part 517
EXL-38
< COMPONENT DIAGNOSIS >
[XENON TYPE]
B2080 ECU TROUBLE
COMPONENT DIAGNOSIS
B2080 ECU TROUBLE
Description
INFOID:0000000003805599
• Auto levelizer control unit is installed in rear suspension arm.
• Auto levelizer control unit detects vehicle rear height.
• Auto levelizer control unit controls headlamp light axis appropriately depending on the vehicle height.
DTC Logic
INFOID:0000000003805600
DTC DETECTION LOGIC
[B2080] ECU TROUBLE
Diagnosis Procedure
INFOID:0000000003805601
1.
ERASE DTC
Erase DTC memory of HEADLAMP LEVELIZER with self-diagnosis of CONSULT-III.
Is the memory erased?
YES
>> INSPECTION END
NO
>> Replace the auto levelizer control unit.
DTC detection condition
DTC erase conditions
Possible causes
Auto levelizer control unit internal malfunction.
Ignition switch OFF
Auto levelizer control unit
B2081 INITIAL NOT DONE
EXL-39
< COMPONENT DIAGNOSIS >
[XENON TYPE]
C
D
E
F
G
H
I
J
K
M
A
B
EXL
N
O
P
B2081 INITIAL NOT DONE
DTC Logic
INFOID:0000000003805602
DTC DETECTION LOGIC
[B2081] INITIAL NOT DONE
Diagnosis Procedure
INFOID:0000000003805603
1.
SENSOR INITIALIZE
CONSULT-III WORK SUPPORT
Perform the sensor initialize.
>> Refer to
EXL-10, "SENSOR INITIALIZE : Special Repair Requirement (HEADLAMP AIMING
DTC detection condition
DTC erase conditions
Possible causes
Sensor initialization is not completed.
Sensor initialization is completed
• Sensor initialization is not com-
pleted.
• Auto levelizer control unit
EXL-40
< COMPONENT DIAGNOSIS >
[XENON TYPE]
B2082 SENSOR OUT OF RANGE
B2082 SENSOR OUT OF RANGE
DTC Logic
INFOID:0000000003805604
DTC DETECTION LOGIC
[B2082] SENSOR OUT OF RANGE
DTC CONFIRMATION PROCEDURE
1.
ERASE DTC
Erase DTC memory of headlamp levelizer with self-diagnosis of CONSULT-III.
>> GO TO 2.
2.
DTC CONFIRMATION
1.
Turn the ignition switch ON.
2.
Perform self-diagnosis of CONSULT-III.
Is B2082 detected?
YES
>> Refer to
.
NO
>> Refer to
GI-35, "Intermittent Incident"
.
Diagnosis Procedure
INFOID:0000000003805605
1.
CHECK SENSOR INITIALIZATION VALUE
1.
Turn ignition switch ON.
2.
Turn the lighting switch 1ST.
3.
Select "INT SEN VALUE" of HEADLAMP LEVELIZER data monitor item.
4.
Check the monitor status under unladen conditions.
*: Sensor initialize position (reference)
Is the measurement value normal?
YES
>> Replace the auto levelizer control unit.
NO
>> GO TO 2.
2.
SENSOR INITIALIZATION
Perform the sensor initialize. Refer to
EXL-10, "SENSOR INITIALIZE : Special Repair Requirement (HEAD-
.
Is sensor initialize completed?
YES
>> GO TO 3.
No
>> Replace the auto levelizer control unit.
3.
ERASE DTC
Erase DTC memory of headlamp levelizer with self-diagnosis of CONSULT-III.
Is the memory erased?
YES
>> INSPECTION END
NO
>> Replace the auto levelizer control unit.
DTC detection condition
DTC erase conditions
Possible cause
Auto levelizer control unit detected that the sensor lever an-
gle is out of range, continually for 20 ms or more.
When sensor lever returns to
normal range
• Auto levelizer control unit in-
stallation condition
• Sensor initialize is not appro-
priate
• Auto levelizer control unit
Monitor item
Standard value
(Approx.)
INT SEN VALUE
54 %
*
B2083 SEN SIG NOT PLAUSIBLE
EXL-41
< COMPONENT DIAGNOSIS >
[XENON TYPE]
C
D
E
F
G
H
I
J
K
M
A
B
EXL
N
O
P
B2083 SEN SIG NOT PLAUSIBLE
DTC Logic
INFOID:0000000003805606
DTC DETECTION LOGIC
[B2083] SEN SIG NOT PLAUSIBLE
DTC CONFIRMATION PROCEDURE
1.
ERASE DTC
Erase DTC memory of HEADLAMP LEVELIZER with self-diagnosis of CONSULT-III.
>> GO TO 2.
2.
DTC CONFIRMATION
1.
Start the engine.
2.
Drive the vehicle for 5 minutes or more.
3.
Perform self-diagnosis of CONSULT-III.
Is B2083 detected?
YES
>> Refer to
.
NO
>> Refer to
GI-35, "Intermittent Incident"
.
Diagnosis Procedure
INFOID:0000000003805607
1.
CHECK AUTO LEVELIZER CONTROL UNIT INSTALLATION CONDITION
Check the mounting part of auto levelizer control unit and its link for looseness and deformation.
Is it properly installed?
YES
>> Replace the auto levelizer control unit.
NO
>> Install auto levelizer control unit properly.
DTC detection condition
DTC erase conditions
Possible causes
When vehicle speed is 5 km/h (3.1 MPH) or more, the auto levelizer
control unit cannot detect any changes of the sensor lever angle for
5 minutes or more.
Ignition switch OFF
Auto levelizer control unit
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