Nissan Cube. Manual — part 433
EXL-6
< BASIC INSPECTION >
DIAGNOSIS AND REPAIR WORK FLOW
Inspect according to Diagnosis Procedure of the system.
Is malfunctioning part detected?
YES
>> GO TO 8.
NO
>> Check according to
GI-40, "Intermittent Incident"
.
8.
REPAIR OR REPLACE THE MALFUNCTIONING PART
1.
Repair or replace the malfunctioning part.
2.
Reconnect parts or connectors disconnected during Diagnosis Procedure again after repair and replace-
ment.
3.
Check DTC. If DTC is detected, erase it.
>> GO TO 9.
9.
FINAL CHECK
When DTC is detected in step 2, perform DTC CONFIRMATION PROCEDURE again, and then check that the
malfunction is repaired securely.
When symptom is described by the customer, refer to confirmed symptom in step 3 or 4, and check that the
symptom is not detected.
Is DTC detected and does symptom remain?
YES-1 >> DTC is detected: GO TO 7.
YES-2 >> Symptom remains: GO TO 4.
NO
>> Before returning the vehicle to the customer, always erase DTC.
HEADLAMP SYSTEM
EXL-7
< SYSTEM DESCRIPTION >
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SYSTEM DESCRIPTION
HEADLAMP SYSTEM
System Diagram
INFOID:0000000009945098
System Description
INFOID:0000000009945099
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 system)
• 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
EXL-8
< SYSTEM DESCRIPTION >
HEADLAMP SYSTEM
Component Parts Location
INFOID:0000000009945100
Component Description
INFOID:0000000009945101
1.
Headlamp
2.
IPDM E/R
Refer to
(with Intelligent Key) or
PCS-36, "Component Parts Loca-
tion"
(without Intelligent Key).
3.
BCM
Refer to
(with Intelligent Key) or
BCS-95, "Component Parts Loca-
tion"
(without Intelligent Key).
4.
Combination meter
(High beam indicator lamp)
5.
Combination switch
JPLIA1797ZZ
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/R
Controls the integrated relay, and supplies voltage to the load according to the request
from BCM (with CAN communication).
Combination switch
(Lighting & turn signal switch)
(with Intelligent Key) or
(without Intelligent Key).
Combination meter
(High beam indicator lamp)
Turns the high beam indicator lamp ON according to the request from BCM (with CAN
communication).
AUTO LIGHT SYSTEM
EXL-9
< SYSTEM DESCRIPTION >
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AUTO LIGHT SYSTEM
System Diagram
INFOID:0000000009945106
System Description
INFOID:0000000009945107
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
- Wiper linked auto lighting function
Control by IPDM E/R
- Relay control function
• Auto light system has the auto light function (with twilight lighting function), wiper linked auto lighting function
and delay timer function.
- Auto light function automatically turns ON/OFF the exterior lamps* and each illumination automatically,
depending on the outside brightness.
- Wiper linked auto lighting function automatically turns ON/OFF the exterior lamps* and each illumination
when the light switch is in the AUTO position, according to a front wiper operation.
- 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 (illuminated as front side marker lamps too), tail lamp, rear side marker
lamp and front fog lamp (Headlamp HI and front fog lamp depend on the combination switch condition.)
NOTE:
The settings of the twilight lighting function and the wiper linked auto lighting function can be changed with
CONSULT. Refer to
EXL-21, "HEADLAMP : CONSULT Function (BCM - HEAD LAMP)"
AUTO LIGHT FUNCTION (WITH TWILIGHT LIGHTING FUNCTION)
Description
• BCM detects the combination switch condition with the combination switch reading function.
• BCM supplies voltage to the 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 detects outside brightness from the optical sensor signal and judges ON/OFF condition of the exterior
lamp and each illumination, depending on the outside brightness condition (standard or twilight).
• BCM transmits each request signal to IPDM E/R via CAN communication, according to ON/OFF condition by
the auto light function.
JPLIA1799GB
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