Page 2073 of 5121
EXL-44
< COMPONENT DIAGNOSIS >[XENON TYPE]
B2085 LOWBEAM SIG OPEN LINE
Is the measurement value normal?
YES >> Replace the auto levelizer control unit.
NO >> Repair the harnesses between auto levelizer control unit and IPDM E/R.
Te r m i n a l s
Condition
Vol tag e
(Approx.) (+) (−)
Auto levelizer control unit
Ground Connector Terminal Lighting switch
C8 6OFF 0 V
1ST Battery voltage
Page 2074 of 5121
![NISSAN TEANA 2008 Service Manual B2086 FRQ. OVER LIMIT
EXL-45
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DescriptionINFOID:0000000003805613
Auto levelizer control unit inputs vehicle sp NISSAN TEANA 2008 Service Manual B2086 FRQ. OVER LIMIT
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B2086 FRQ. OVER LIMIT
DescriptionINFOID:0000000003805613
Auto levelizer control unit inputs vehicle sp](/manual-img/5/57391/w960_57391-2073.png)
B2086 FRQ. OVER LIMIT
EXL-45
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B2086 FRQ. OVER LIMIT
DescriptionINFOID:0000000003805613
Auto levelizer control unit inputs vehicle speed signal (8-pules) from combination meter.
DTC LogicINFOID:0000000003805614
DTC DETECTION LOGIC
[B2086] FRQ. OVER 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. Start the engine.
2. Drive the vehicle at 40 km/h (25 MPH).
3. Perform self-diagnosis of CONSULT-III.
Is B2086 detected?
YES >> Refer to EXL-45, "Diagnosis Procedure".
NO >> Refer to GI-35, "
Intermittent Incident".
Diagnosis ProcedureINFOID:0000000003805615
1.CHECK VEHICLE SPEED SIGNAL INPUT WITH CONSULT-III
1. Turn ignition switch ON.
2. Select "SPEED SIG" of HEADLAMP LEVELIZER data monitor item.
3. While driving at 40 km/h (25 MPH), check the monitor status.
Is the measurement value normal?
YES >> Replace the auto levelizer control unit.
NO >> GO TO 2.
2.CHECK VEHICLE SPEED SIGNAL INPUT
1. Turn ignition switch OFF.
2. Disconnect the auto levelizer control unit connector.
3. Turn ignition switch ON.
4. While driving at 40 km/h (25 MPH), 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 vehicle speed signal is ab-
normal. [The vehicle speed is 340 km/h (211 MPH) or more for 1.5
seconds or more.]Ignition switch OFF Harness or connector
Auto levelizer control unit
Monitor item ConditionStandard value
(Approx.)
SPEED SIGWhile driving at 40 km/h
(25 MPH)40 km/h (25
MPH)
Page 2075 of 5121
EXL-46
< COMPONENT DIAGNOSIS >[XENON TYPE]
B2086 FRQ. OVER LIMIT
Is the measurement value normal?
YES >> Replace the auto levelizer control unit.
NO >> Repair the harnesses between auto levelizer control unit and combination meter.
Te r m i n a l s
ConditionVo l ta g e
(Approx.) (+) (−)
Auto levelizer control unit
Ground Connector Terminal
C8 4While driving
at 40 km/h
(25 MPH)
PKIA1935E
Page 2076 of 5121
![NISSAN TEANA 2008 Service Manual B2087 SHORT TO GROUND
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DTC LogicINFOID:0000000003805616
DTC DETECTION LOGIC
[B2087] SHORT TO GROUND
DTC NISSAN TEANA 2008 Service Manual B2087 SHORT TO GROUND
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DTC LogicINFOID:0000000003805616
DTC DETECTION LOGIC
[B2087] SHORT TO GROUND
DTC](/manual-img/5/57391/w960_57391-2075.png)
B2087 SHORT TO GROUND
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DTC LogicINFOID:0000000003805616
DTC DETECTION LOGIC
[B2087] SHORT TO GROUND
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.
YES >> Refer to EXL-47, "
Diagnosis Procedure".
NO >> Refer to GI-35, "
Intermittent Incident".
Diagnosis ProcedureINFOID:0000000003805617
1.CHECK HEADLAMP LEVELIZER CIRCUIT OF CONSULT-III
1. Turn ignition switch ON.
2. Turn the lighting switch 1ST.
3. Select "ACT MEASURED" and "ACT OUTPUT" of HEADLAMP LEVELIZER data monitor item.
4. Check that “ACT MEASURED” value is within approximately ± 3% to “ACT OUTPUT” value.
NOTE:
“ACT MEASURED” value is approximately 0% when shorted to the ground.
Is the measurement value normal?
YES >> Replace the auto levelizer control unit.
NO >> GO TO 2.
2.HEADLAMP LEVELIZER CIRCUIT INSPECTION
Check the headlamp levelizer circuit for short to ground. Refer to EXL-60, "
Description".
Is the headlamp levelizer circuit normal?
YES >> Replace the auto levelizer control unit.
NO >> Repair or replace the malfunctioning part.
DTC detection condition DTC erase conditions Possible causes
Headlamp levelizer circuit is shorted to the ground for 1.5 seconds
or more.Ignition switch OFF Harness or connector
Auto levelizer control unit
Page 2077 of 5121
![NISSAN TEANA 2008 Service Manual EXL-48
< COMPONENT DIAGNOSIS >[XENON TYPE]
B2088 SHORT TO BATTERY
B2088 SHORT TO BATTERY
DTC LogicINFOID:0000000003805618
DTC DETECTION LOGIC
[B2088] SHORT TO BATTERY
DTC CONFIRMATION PROCEDURE
1.ERAS NISSAN TEANA 2008 Service Manual EXL-48
< COMPONENT DIAGNOSIS >[XENON TYPE]
B2088 SHORT TO BATTERY
B2088 SHORT TO BATTERY
DTC LogicINFOID:0000000003805618
DTC DETECTION LOGIC
[B2088] SHORT TO BATTERY
DTC CONFIRMATION PROCEDURE
1.ERAS](/manual-img/5/57391/w960_57391-2076.png)
EXL-48
< COMPONENT DIAGNOSIS >[XENON TYPE]
B2088 SHORT TO BATTERY
B2088 SHORT TO BATTERY
DTC LogicINFOID:0000000003805618
DTC DETECTION LOGIC
[B2088] SHORT TO BATTERY
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 B2088 detected?
YES >> Refer to EXL-48, "Diagnosis Procedure".
NO >> Refer to GI-35, "
Intermittent Incident".
Diagnosis ProcedureINFOID:0000000003805619
1.CHECK HEADLAMP LEVELIZER CIRCUIT OF CONSULT-III
1. Turn ignition switch ON.
2. Turn the lighting switch 1ST.
3. Select "ACT MEASURED" and "ACT OUTPUT" of HEADLAMP LEVELIZER data monitor item.
4. Check that “ACT MEASURED” value is within approximately ± 3% to “ACT OUTPUT” value.
NOTE:
“ACT MEASURED” value is approximately 100% when shorted to the battery.
Is the measurement value normal?
YES >> Replace the auto levelizer control unit.
NO >> GO TO 2.
2.HEADLAMP LEVELIZER CIRCUIT INSPECTION
Check the headlamp levelizer circuit for short to battery. Refer to EXL-60, "
Description".
Is the headlamp levelizer circuit normal?
YES >> Replace the auto levelizer control unit.
NO >> Repair or replace the malfunctioning part.
DTC detection condition DTC erase conditions Possible causes
Headlamp levelizer circuit is shorted to the battery for 1.5 seconds
or more.Ignition switch OFF Harness or connector
Auto levelizer control unit
Page 2078 of 5121
B208A PARA NOT PROG
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DTC LogicINFOID:0000000003805620
DTC DETECTION LOGIC
[B208A] PARA NOT PROG
Diagnosis ProcedureINFOID:0000000003805621
1.PERFORM CONFIGURATION
CONSULT-III WORK SUPPORT
Perform “WRITE CONFIGURATION”.
>> Refer to .EXL-9, "
CONFIGURATION (HEADLAMP LEVELIZER) : Special Repair Requirement"
DTC detection condition DTC erase conditions Possible causes
Vehicle specification is not writtenVehicle specification is writ-
tenConfiguration is not com-
pleted
Page 2079 of 5121
![NISSAN TEANA 2008 Service Manual EXL-50
< COMPONENT DIAGNOSIS >[XENON TYPE]
POWER SUPPLY AND GROUND CIRCUIT
POWER SUPPLY AND GROUND CIRCUIT
BCM (BODY CONTROL MODULE)
BCM (BODY CONTROL MODULE) : Diagnosis ProcedureINFOID:0000000003894 NISSAN TEANA 2008 Service Manual EXL-50
< COMPONENT DIAGNOSIS >[XENON TYPE]
POWER SUPPLY AND GROUND CIRCUIT
POWER SUPPLY AND GROUND CIRCUIT
BCM (BODY CONTROL MODULE)
BCM (BODY CONTROL MODULE) : Diagnosis ProcedureINFOID:0000000003894](/manual-img/5/57391/w960_57391-2078.png)
EXL-50
< COMPONENT DIAGNOSIS >[XENON TYPE]
POWER SUPPLY AND GROUND CIRCUIT
POWER SUPPLY AND GROUND CIRCUIT
BCM (BODY CONTROL MODULE)
BCM (BODY CONTROL MODULE) : Diagnosis ProcedureINFOID:0000000003894263
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.
Does continuity exist?
YES >> INSPECTION END
NO >> Repair harness or connector.
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM) : Di-
agnosis Procedure
INFOID:0000000003894265
1.CHECK FUSES AND FUSIBLE LINK
Check that the following IPDM E/R fuses or fusible links are not blown.
Signal name Fuse and fusible link No.
Battery power supplyI
10
Te r m i n a l s
Voltag e
(Approx.) (+) (−)
BCM
Ground Connector Terminal
M118 1
Battery voltage
M119 11
BCM
GroundContinuity
Connector Terminal
M119 13 Existed
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![NISSAN TEANA 2008 Service Manual POWER SUPPLY AND GROUND CIRCUIT
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YES >> Replace the blown fuse or fusible link after repairing the affect NISSAN TEANA 2008 Service Manual POWER SUPPLY AND GROUND CIRCUIT
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Is the fuse fusing?
YES >> Replace the blown fuse or fusible link after repairing the affect](/manual-img/5/57391/w960_57391-2079.png)
POWER SUPPLY AND GROUND CIRCUIT
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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 IPDM E/R connector.
3. Check voltage between IPDM E/R 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 IPDM E/R harness connectors and ground.
Does continuity exist?
YES >> INSPECTION END
NO >> Repair harness or connector.
AUTO LEVELIZER CONTROL UNIT
AUTO LEVELIZER CONTROL UNIT : Diagnosis ProcedureINFOID:0000000003774348
1.CHECK FUSES
Check that any of the following fuses are fusing
Is the fuse fusing?
YES >> Repair the applicable circuit. And then replace the fuse.
NO >> GO TO 2.
2.CHECK POWER SUPPLY CIRCUIT
1. Turn the ignition switch OFF.
2. Disconnect auto levelizer control unit connector.
3. Turn the ignition switch ON.
4. Check voltage between auto levelizer control unit harness connector and ground.
Signal name Fuses and fusible link No.
Battery power supplyE
50
51
Te r m i n a l s
Voltag e
(Approx.) (+)
(−)
IPDM E/R
Connector Terminal
Ground
E9 1 Battery voltage
IPDM E/R
GroundContinuity
Connector Terminal
E10 12
Existed
E11 41
Signal name Location Fuse No. Capacity
Ignition power supply Fuse block (J/B) 3 10A