Nissan Teana J32. Manual - 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

CONTROL SYSTEM)"

.

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 

EXL-40, "Diagnosis Procedure"

.

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-

LAMP AIMING CONTROL SYSTEM)"

.

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 

EXL-41, "Diagnosis Procedure"

.

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