2008 NISSAN TEANA relay

EXL-170
< SYMPTOM DIAGNOSIS >[XENON TYPE]
PARKING, LICENSE PLATE AND TAIL LAMPS ARE NOT TURNED ON
PARKING, LICENSE PLATE AND TAIL LAMPS ARE NOT TURNED ON
DescriptionINFOID:0000000003773608
The parking, license plate, tail lamps and each illumination are not turned ON in any condition.
Diagnosis ProcedureINFOID:0000000003773609
1.CHECK FUSE
Check that the following fuse is fusing.
Is the fuse fusing?
YES >> Repair the applicable circuit. And then replace the fuse.
NO >> GO TO 2.
2.COMBINATION SWITCH INSPECTION
Check the combination switch. Refer to BCS-76, "
Symptom Table".
Is the combination switch normal?
YES >> GO TO 3.
NO >> Repair or replace the malfunctioning part.
3.CHECK TAIL LAMP RELAY REQUEST SIGNAL INPUT
CONSULT-III DATA MONITOR
1. Select “TAIL & CLR REQ” of IPDM E/R data monitor item.
2. With operating the lighting switch, check the monitor status.
Is the item status normal?
YES >> GO TO 4.
NO >> Replace BCM. Refer to BCS-78, "
Exploded View".
4.TAIL LAMP CIRCUIT INSPECTION
Check the tail lamp circuit. Refer to EXL-74, "
Component Function Check".
Is the tail lamp circuit normal?
YES >> Replace IPDM E/R.
NO >> Repair or replace the malfunctioning part.
Unit Location Fuse No. Capacity
Parking lamp
IPDM E/R#52 10 A
Tail lamp
 License plate lamp#53 10 A
Monitor item Condition Monitor status
TAIL & CLR
REQLighting switch1ST On
OFF Off

EXL-182
< ON-VEHICLE REPAIR >[XENON TYPE]
FRONT COMBINATION LAMP
1. Remove the relay box cover*. Refer to PCS-34, "Exploded View".
*: When replace a left
2. Rotate the bulb socket counterclockwise and unlock it.
3. Remove the bulb from the front turn signal lamp bulb socket.
Disassembly and AssemblyINFOID:0000000003773622
DISASSEMBLY
1. Rotate the resin cap counterclockwise and unlock it.
2. Disconnect the xenon bulb socket ground line.
3. Rotate the xenon bulb socket counterclockwise and unlock it.
4. Unlock the retaining spring. And then remove the xenon bulb from the headlamp housing.
5. Rotate the halogen bulb (HI) socket counterclockwise and unlock it.
6. Remove the halogen bulb (HI) from the headlamp housing.
7. Remove the HID control unit installation screw.
8. Remove the screw. And then disconnect the connector from HID control unit.
9. Remove the xenon bulb socket from the headlamp housing.
10. Rotate the parking lamp bulb socket counterclockwise and unlock it.
11. Remove the bulb from the parking lamp bulb socket.
12. Rotate the front turn signal lamp bulb socket counterclockwise and unlock it.
13. Remove the bulb from the front turn signal lamp bulb socket.
ASSEMBLY
Assemble in the reverse order of disassembly.
CAUTION:
 Install HID control unit securely.
 After installing the bulb, install the resin cap and the bulb socket securely for watertightness.

EXL-200
< FUNCTION DIAGNOSIS >[HALOGEN TYPE]
HEADLAMP SYSTEM
FUNCTION DIAGNOSIS
HEADLAMP SYSTEM
System DiagramINFOID:0000000003773647
System DescriptionINFOID:0000000003773648
OUTLINE
Headlamp is controlled by combination switch reading function and headlamp control function of BCM, and
relay control function of IPDM E/R.
HEADLAMP (LO) OPERATION
 BCM detects the combination switch condition with the combination switch reading function.
 BCM transmits the low beam request signal to IPDM E/R with CAN communication according to the head-
lamp (LO) ON condition.
Headlamp (LO) ON condition- Lighting switch 2ND
- Lighting switch AUTO, and the auto light function ON judgment (With auto light function ON judgment)
 IPDM E/R turns the integrated headlamp low relay ON, and turns the headlamp ON according to the low
beam request signal.
HEADLAMP (HI) OPERATION
 BCM transmits the high beam request signal to IPDM E/R and the combination meter with CAN communica-
tion according to the headlamp (HI) ON condition.
Headlamp (HI) ON condition- Lighting switch HI with the lighting switch 2ND or AUTO (auto light function ON judgment)
- Lighting switch PASS
 Combination meter turns the high beam indicator lamp ON according to the high beam request signal.
 IPDM E/R turns the integrated headlamp high relay ON, and turns the headlamp ON according to the high
beam request signal.
JPLIA0167GB

HEADLAMP SYSTEM
EXL-201
< FUNCTION DIAGNOSIS >[HALOGEN TYPE]
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Component Parts LocationINFOID:0000000003773649
Component DescriptionINFOID:0000000003773650
1. Headlamp (HI) 2. Headlamp (LO) 3. Combination switch
4. IPDM E/R 5. BCM 6. High beam indicator lamp
A. Engine room (LH) B. Behind the combination meter C. On the combination meter
J P L I A 111 8 Z Z
Part Description
BCM Detects each switch condition by the combination switch reading function.
 Judges that the headlamp is turned ON according to the vehicle condition.
- Requests the headlamp relay (HI/LO) ON to IPDM E/R (with CAN communication).
- Requests the high beam indicator lamp ON to the combination meter (with CAN
communication).
IPDM E/RControls the integrated relay, and supplies voltage to the load according to the request
from BCM (with CAN communication).
Combination switch
(Lighting & turn signal switch)Refer to BCS-8, "
System Diagram".
Combination meter
(High beam indicator lamp)Turns the high beam indicator lamp ON according to the request from BCM (with CAN
communication).

EXL-202
< FUNCTION DIAGNOSIS >[HALOGEN TYPE]
AUTO LIGHT SYSTEM
AUTO LIGHT SYSTEM
System DiagramINFOID:0000000003894281
System DescriptionINFOID:0000000003894282
OUTLINE
 Auto light system is controlled by each function of BCM and IPDM E/R.
Control by BCM- Combination switch reading function
- Headlamp control function
- Auto light function
- Delay timer function
Control by IPDM E/R- Relay control function
 Auto light system has the auto light function and the delay timer function.
- Auto light function turns the exterior lamps* and each illumination ON/OFF automatically according to the
outside brightness.
- When auto light system turns the exterior lamps ON with the ignition switch OFF, delay timer function turns
the exterior lamps OFF depending on the vehicle condition with the auto light function after a certain period
of time.
*: Headlamp (LO/HI), parking lamp, tail lamp and front fog lamp (Headlamp HI and front fog lamp depend on
the combination switch condition.)
AUTO LIGHT FUNCTION
 BCM detects the combination switch condition with the combination switch reading function.
 BCM supplies voltage to optical sensor when the ignition switch is turned ON or ACC.
 Optical sensor converts outside brightness (lux) to voltage and transmits the optical sensor signal to BCM.
 BCM judges outside brightness from the optical sensor signal and judges ON/OFF condition of the exterior
lamp and each illumination according to the outside brightness.
 BCM transmits each request signal to IPDM E/R with CAN communication according to ON/OFF condition
by the auto light function.
NOTE:
ON/OFF timing differs based on the sensitivity from the setting. The setting can be set by CONSULT-III. Refer
to EXL-215, "
HEADLAMP : CONSULT-III Function (BCM - HEAD LAMP)".
DELAY TIMER FUNCTION
BCM turns the exterior lamp OFF depending on the vehicle condition with the auto light function when the igni-
tion switch is turned OFF.
 Turns the exterior lamp OFF 5 minutes after detecting that any door opens (Door switch ON).
 Turns the exterior lamp OFF a certain period of time* after closing all doors (Door switch ON→OFF).
JPLIA0804GB

AUTO LIGHT SYSTEM
EXL-203
< FUNCTION DIAGNOSIS >[HALOGEN TYPE]
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 Turns the exterior lamp OFF with the ignition switch ACC or the light switch OFF.
*: The preset time is 45 seconds. The timer operating time can be set by CONSULT-III. Refer to EXL-215,
"HEADLAMP : CONSULT-III Function (BCM - HEAD LAMP)".
NOTE:
When any position other than the light switch AUTO is set, the auto light system function switches to the exte-
rior lamp battery saver function.
Component Parts LocationINFOID:0000000003894283
Component DescriptionINFOID:0000000003894284
1. Combination switch 2. Optical sensor 3. IPDM E/R
4. BCM
A. Instrument upper panel (RH) B. Engine room (LH) C. Behind the combination meter
J P L I A 111 9 Z Z
Part Description
BCM Detects each switch condition by the combination switch reading function.
 Judges the outside brightness from the optical sensor signal.
 Judges the OFF timing according to the vehicle condition.
 Judges the ON/OFF status of the exterior lamp and each illumination according to the
outside brightness and the vehicle condition.
Requests ON/OFF of each relay to IPDM E/R (with CAN communication).
IPDM E/RControls the integrated relay, and supplies voltage to the load according to the request
from BCM (with CAN communication).
Combination switch
(Lighting & turn signal switch)Refer to BCS-8, "
System Diagram".
Optical sensor Refer to EXL-238, "
Description".

EXL-204
< FUNCTION DIAGNOSIS >[HALOGEN TYPE]
FRONT FOG LAMP SYSTEM
FRONT FOG LAMP SYSTEM
System DiagramINFOID:0000000003894285
System DescriptionINFOID:0000000003894286
OUTLINE
Front fog lamp is controlled by combination switch reading function and front fog lamp control function of BCM,
and relay control function of IPDM E/R.
FRONT FOG LAMP OPERATION
 BCM detects the combination switch condition by the combination switch reading function.
 BCM transmits the front fog light request signal to IPDM E/R with CAN communication according to the front
fog lamp ON condition.
Front fog lamp ON condition
- Front fog lamp switch ON
- Lighting switch 1ST, 2ND or AUTO (auto light function ON judgment)
 IPDM E/R turns the integrated front fog lamp relay ON, and turns the front fog lamp ON according to the
front fog light request signal.
 Combination meter turns the front fog lamp indicator lamp ON according to the front fog light request signal.
JPLIA1083GB

FRONT FOG LAMP SYSTEM
EXL-205
< FUNCTION DIAGNOSIS >[HALOGEN TYPE]
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Component Parts LocationINFOID:0000000003894287
Component DescriptionINFOID:0000000003894288
1. Front fog lamp 2. Combination switch 3. IPDM E/R
4. BCM 5. Front fog lamp indicator lamp
A. Engine room (LH) B. Behind the combination meter C. On the combination meter
JPLIA1121ZZ
Part Description
BCM Detects each switch condition by the combination switch reading function.
 Judges the front fog lamp ON/OFF status according to the vehicle condition.
- Requests the front fog lamp relay ON to IPDM E/R (with CAN communication).
IPDM E/RControls the integrated relay and supplies voltage to the load according to the request
from BCM (with CAN communication).
Combination switch
(Lighting & turn signal switch)Refer to BCS-8, "
System Diagram".
Combination meter
(Front fog lamp indicator lamp)Turn the front fog lamp indicator lamp ON according to the request from BCM (with
CAN communication).