Page 2065 of 5121
EXL-36
< FUNCTION DIAGNOSIS >[XENON TYPE]
DIAGNOSIS SYSTEM (IPDM E/R)
EXTERNAL LAMPSOff OFF
TAIL Operates the tail lamp relay.
Lo Operates the headlamp low relay.
HiOperates the headlamp low relay and ON/OFF the headlamp high relay at 1 sec-
ond intervals.
Fog Operates the front fog lamp relay. Test item Operation Description
Page 2066 of 5121
![NISSAN TEANA 2008 Service Manual DIAGNOSIS SYSTEM (HEADLAMP LEVELIZER)
EXL-37
< FUNCTION DIAGNOSIS >[XENON TYPE]
C
D
E
F
G
H
I
J
K
MA
B
EXL
N
O
P
DIAGNOSIS SYSTEM (HEADLAMP LEVELIZER)
CONSULT-III Functions (HEADLAMP LEVELIZER)INFOID: NISSAN TEANA 2008 Service Manual DIAGNOSIS SYSTEM (HEADLAMP LEVELIZER)
EXL-37
< FUNCTION DIAGNOSIS >[XENON TYPE]
C
D
E
F
G
H
I
J
K
MA
B
EXL
N
O
P
DIAGNOSIS SYSTEM (HEADLAMP LEVELIZER)
CONSULT-III Functions (HEADLAMP LEVELIZER)INFOID:](/manual-img/5/57391/w960_57391-2065.png)
DIAGNOSIS SYSTEM (HEADLAMP LEVELIZER)
EXL-37
< FUNCTION DIAGNOSIS >[XENON TYPE]
C
D
E
F
G
H
I
J
K
MA
B
EXL
N
O
P
DIAGNOSIS SYSTEM (HEADLAMP LEVELIZER)
CONSULT-III Functions (HEADLAMP LEVELIZER)INFOID:0000000003805598
Function item
WORK SUPPORT
DATA MONITOR
ACTIVE TEST
Diagnosis mode Description
ECU IDENTIFICATION Allows confirmation of auto levelizer control unit part number.
SELF DIAGNOSTIC RESULT Displays the diagnosis results judged by auto levelizer control unit.
WORK SUPPORT Performs settings on sensors.
DATA MONITOR Displays input data for headlamp auto aiming motor control unit in real time.
ACTIVE TEST Transmits a drive signal to the load to check their operation.
CONFIGURATION Writes the vehicle specification when replacing auto levelizer control unit.
Work item Setting details
SENSOR INITIALIZE Adjusts sensor lever signal output under unladen conditions.
Monitor item
[Unit]Display item
INT SEN VALUE
[%]Displays the sensor lever angle corresponding to the maximum value of sensor lever
angle that is recognized with auto levelizer control unit by ratio
ACT OUTPUT
[%]Displays the control value of aiming motor drive signal that is calculated by auto lev-
elizer control unit with the ratio corresponding to the ignition power supply
ACT MEASURED
[%]Displays the measured value of aiming motor drive signal that is output from auto lev-
elizer control unit with the ratio corresponding to ignition power supply
SPEED SIG
[km/h]Displays the vehicle speed judged from vehicle speed signal (8-pulse) that is input to
auto levelizer control unit
LIGHT SIGNAL
[V]Displays the status judged from tail lamp signal that is input to auto levelizer control
unit
INT SEN VOLT
[V]Displays the ignition power supply status that is input to auto levelizer control unit
EXT SEN VOLT
[V]NOTE:
The item is indicated, but not monitored.
EXT SEN SIG
[V]NOTE:
The item is indicated, but not monitored.
Test item Operation item Operation status
LAMP TESTMIN Moves the light axis to the highest position.
MID Moves the light axis to the initial position.
MAX Moves the light axis to the lowest position.
Page 2067 of 5121
EXL-38
< COMPONENT DIAGNOSIS >[XENON TYPE]
B2080 ECU TROUBLE
COMPONENT DIAGNOSIS
B2080 ECU TROUBLE
DescriptionINFOID: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 LogicINFOID:0000000003805600
DTC DETECTION LOGIC
[B2080] ECU TROUBLE
Diagnosis ProcedureINFOID: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
Page 2068 of 5121
B2081 INITIAL NOT DONE
EXL-39
< COMPONENT DIAGNOSIS >[XENON TYPE]
C
D
E
F
G
H
I
J
K
MA
B
EXL
N
O
P
B2081 INITIAL NOT DONE
DTC LogicINFOID:0000000003805602
DTC DETECTION LOGIC
[B2081] INITIAL NOT DONE
Diagnosis ProcedureINFOID: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
Page 2069 of 5121
![NISSAN TEANA 2008 Service Manual EXL-40
< COMPONENT DIAGNOSIS >[XENON TYPE]
B2082 SENSOR OUT OF RANGE
B2082 SENSOR OUT OF RANGE
DTC LogicINFOID:0000000003805604
DTC DETECTION LOGIC
[B2082] SENSOR OUT OF RANGE
DTC CONFIRMATION PROCEDU NISSAN TEANA 2008 Service Manual EXL-40
< COMPONENT DIAGNOSIS >[XENON TYPE]
B2082 SENSOR OUT OF RANGE
B2082 SENSOR OUT OF RANGE
DTC LogicINFOID:0000000003805604
DTC DETECTION LOGIC
[B2082] SENSOR OUT OF RANGE
DTC CONFIRMATION PROCEDU](/manual-img/5/57391/w960_57391-2068.png)
EXL-40
< COMPONENT DIAGNOSIS >[XENON TYPE]
B2082 SENSOR OUT OF RANGE
B2082 SENSOR OUT OF RANGE
DTC LogicINFOID: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 ProcedureINFOID: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 itemStandard value
(Approx.)
INT SEN VALUE
54 %
*
Page 2070 of 5121
![NISSAN TEANA 2008 Service Manual B2083 SEN SIG NOT PLAUSIBLE
EXL-41
< COMPONENT DIAGNOSIS >[XENON TYPE]
C
D
E
F
G
H
I
J
K
MA
B
EXL
N
O
P
B2083 SEN SIG NOT PLAUSIBLE
DTC LogicINFOID:0000000003805606
DTC DETECTION LOGIC
[B2083] SEN SIG NISSAN TEANA 2008 Service Manual B2083 SEN SIG NOT PLAUSIBLE
EXL-41
< COMPONENT DIAGNOSIS >[XENON TYPE]
C
D
E
F
G
H
I
J
K
MA
B
EXL
N
O
P
B2083 SEN SIG NOT PLAUSIBLE
DTC LogicINFOID:0000000003805606
DTC DETECTION LOGIC
[B2083] SEN SIG](/manual-img/5/57391/w960_57391-2069.png)
B2083 SEN SIG NOT PLAUSIBLE
EXL-41
< COMPONENT DIAGNOSIS >[XENON TYPE]
C
D
E
F
G
H
I
J
K
MA
B
EXL
N
O
P
B2083 SEN SIG NOT PLAUSIBLE
DTC LogicINFOID: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 ProcedureINFOID: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
Page 2071 of 5121
![NISSAN TEANA 2008 Service Manual EXL-42
< COMPONENT DIAGNOSIS >[XENON TYPE]
B2084 VOLTAGE UNDER LIMIT
B2084 VOLTAGE UNDER LIMIT
DTC LogicINFOID:0000000003805608
DTC DETECTION LOGIC
[B2084] VOLTAGE UNDER LIMIT
DTC CONFIRMATION PROCEDU NISSAN TEANA 2008 Service Manual EXL-42
< COMPONENT DIAGNOSIS >[XENON TYPE]
B2084 VOLTAGE UNDER LIMIT
B2084 VOLTAGE UNDER LIMIT
DTC LogicINFOID:0000000003805608
DTC DETECTION LOGIC
[B2084] VOLTAGE UNDER LIMIT
DTC CONFIRMATION PROCEDU](/manual-img/5/57391/w960_57391-2070.png)
EXL-42
< COMPONENT DIAGNOSIS >[XENON TYPE]
B2084 VOLTAGE UNDER LIMIT
B2084 VOLTAGE UNDER LIMIT
DTC LogicINFOID:0000000003805608
DTC DETECTION LOGIC
[B2084] VOLTAGE UNDER LIMIT
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 B2084 detected?
YES >> Refer to EXL-42, "Diagnosis Procedure".
NO >> Refer to GI-35, "
Intermittent Incident".
Diagnosis ProcedureINFOID:0000000003805609
1.CHECK POWER SUPPLY WITH CONSULT-III
1. Turn ignition switch ON.
2. Turn the lighting switch 1ST.
3. Select "INT SEN VOLT" of HEADLAMP LEVELIZER data monitor item.
4. Check the monitor status.
Is the measurement value normal?
YES >> Replace the auto levelizer control unit.
NO >> GO TO 2.
2.CHECK POWER SUPPLY AND GROUND CIRCUIT
Check power supply and ground circuit of auto levelizer control unit. Refer to EXL-51, "
AUTO LEVELIZER
CONTROL UNIT : Diagnosis Procedure".
Is power supply and ground circuit normal?
YES >> Replace the auto levelizer control unit.
NO >> Repair or replace the malfunctioning part.
DTC detection condition DTC erase conditions Possible causes
Ignition power supply to auto levelizer control unit is 9 V or less for
1.5 seconds or more.Ignition switch OFF Harness or connector
Auto levelizer control unit
Monitor itemStandard value
(Approx.)
INT SEN VOLT Battery voltage
Page 2072 of 5121
![NISSAN TEANA 2008 Service Manual B2085 LOWBEAM SIG OPEN LINE
EXL-43
< COMPONENT DIAGNOSIS >[XENON TYPE]
C
D
E
F
G
H
I
J
K
MA
B
EXL
N
O
P
B2085 LOWBEAM SIG OPEN LINE
DescriptionINFOID:0000000003805610
Auto levelizer control unit inp NISSAN TEANA 2008 Service Manual B2085 LOWBEAM SIG OPEN LINE
EXL-43
< COMPONENT DIAGNOSIS >[XENON TYPE]
C
D
E
F
G
H
I
J
K
MA
B
EXL
N
O
P
B2085 LOWBEAM SIG OPEN LINE
DescriptionINFOID:0000000003805610
Auto levelizer control unit inp](/manual-img/5/57391/w960_57391-2071.png)
B2085 LOWBEAM SIG OPEN LINE
EXL-43
< COMPONENT DIAGNOSIS >[XENON TYPE]
C
D
E
F
G
H
I
J
K
MA
B
EXL
N
O
P
B2085 LOWBEAM SIG OPEN LINE
DescriptionINFOID:0000000003805610
Auto levelizer control unit inputs tail lamp signal from IPDM E/R.
Auto levelizer control unit always outputs the voltage to detect the DTC.
DTC LogicINFOID:0000000003805611
DTC DETECTION LOGIC
[B2085] LOWBEAM SIG OPEN LINE
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. Turn the lighting switch 1ST.
3. Perform self-diagnosis of CONSULT-III.
Is B2085 detected?
YES >> Refer to EXL-43, "Diagnosis Procedure".
NO >> Refer to GI-35, "
Intermittent Incident".
Diagnosis ProcedureINFOID:0000000003805612
1.CHECK TAIL LAMP SIGNAL INPUT WITH CONSULT-III
1. Turn ignition switch ON.
2. Select "LIGHT SIGNAL" of HEADLAMP LEVELIZER data monitor item.
3. With operating the lighting switch, check the monitor status.
Is the measurement value normal?
YES >> Replace the auto levelizer control unit.
NO >> GO TO 2.
2.CHECK TAIL LAMP SIGNAL INPUT
1. Turn ignition switch OFF.
2. Disconnect the auto levelizer control unit connector.
3. Turn ignition switch ON.
4. With operating the lighting switch, check the voltage between the auto levelizer control unit harness con-
nector and the ground.
DTC detection condition DTC erase conditions Possible causes
Auto levelizer control unit detected that the tail lamp signal is the fol-
lowing condition:
2 V < tail lamp signal < 6 V Ignition switch OFF Harness or connector
IPDM E/R
Auto levelizer control unit
Monitor itemCondition
Standard value
(Approx.)
Lighting switch
LIGHT SIGNALOFF 2 V or less
1ST 6 V or more