2008 NISSAN LATIO Service Repair Manual

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Page 2169 of 2771

NISSAN LATIO 2008 Service Repair Manual LT-32
< SERVICE INFORMATION >
HEADLAMP (FOR CANADA) - DAYTIME LIGHT SYSTEM -
Terminal and Reference Value for BCM
INFOID:0000000001704386
Refer to BCS-11, "Terminal and Reference Value for BCM"

Page 2170 of 2771

NISSAN LATIO 2008 Service Repair Manual HEADLAMP (FOR CANADA) - DAYTIME LIGHT SYSTEM -
LT-33
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How to Perform Trouble DiagnosisINFOID:0000000001704388
1. Confirm the symptom or customer

HEADLAMP (FOR CANADA) - DAYTIME LIGHT SYSTEM -
LT-33
< SERVICE INFORMATION >
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How to Perform Trouble DiagnosisINFOID:0000000001704388
1. Confirm the symptom or customer complaint.
2. Understand operation, description and function description. Refer to LT-25, "
System Description" .
3. Perform the Preliminary Check. Refer to LT-33, "
Preliminary Check" .
4. Check symptom and repair or replace the cause of the malfunction.
5. Does the daytime light system operate normally? If YES, GO TO 6. If NO, GO TO 4.
6. INSPECTION END
Preliminary CheckINFOID:0000000001704389
CHECK BCM CONFIGURATION
1.CHECK BCM CONFIGURATION
Confirm BCM configuration for "DTRL" is set to "WITH". Refer to BCS-17, "
Configuration" .
OK or NG
OK >> Continue preliminary check. Refer to BCS-15, "BCM Power Supply and Ground Circuit Inspec-
tion" .
NG >> Change BCM configuration for "DTRL" to "WITH". Refer to BCS-17, "
Configuration" .
CHECK POWER SUPPLY AND GROUND CIRCUIT FOR BCM
Refer to BCS-15, "BCM Power Supply and Ground Circuit Inspection" .
CHECK POWER SUPPLY AND GROUND CIRCUIT FOR IPDM E/R
Refer to PG-25, "IPDM E/R Power/Ground Circuit Inspection" .
CONSULT-III Function (BCM)INFOID:0000000001704390
Refer to LT- 11 , "CONSULT-III Function (BCM)" .
CONSULT-III Function (IPDM E/R)INFOID:0000000001704391
Refer to LT-12, "CONSULT-III Function (IPDM E/R)" .
Daytime Light Control Does Not Operate Properly (High Beam Headlamps Operate
Properly)
INFOID:0000000001704392
1.CHECK DAYTIME LIGHT RELAY 1 FUSE
Inspect daytime light relay fuse 10A fuse (No. 26, located in the fuse and fusible link box).
OK or NG
OK >> GO TO 2.
NG >> Repair harness.
2.CHECK DAYTIME LIGHT RELAY 1 POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Remove daytime light relay 1.
3. Check voltage between daytime light relay 1 harness connector
E37 terminals 2, 5 and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair harness or connector.
3.CHECK DAYTIME LIGHT RELAY 1
1. Apply battery voltage to daytime light relay 1 terminal 2 and supply ground to terminal 1.2, 5 - Ground : Battery voltage should exist.
WKIA3305E

Page 2171 of 2771

NISSAN LATIO 2008 Service Repair Manual LT-34
< SERVICE INFORMATION >
HEADLAMP (FOR CANADA) - DAYTIME LIGHT SYSTEM -
2. Check continuity between terminals 3 and 5.
OK or NG
OK >> GO TO 4.
NG >> Replace daytime light relay 1.
4.CHECK INPUT S

Page 2172 of 2771

NISSAN LATIO 2008 Service Repair Manual HEADLAMP (FOR CANADA) - DAYTIME LIGHT SYSTEM -
LT-35
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Aiming AdjustmentINFOID:0000000001704393
PREPARATION BEFORE ADJUSTING
Before performing aim

Page 2173 of 2771

NISSAN LATIO 2008 Service Repair Manual LT-36
< SERVICE INFORMATION >
HEADLAMP (FOR CANADA) - DAYTIME LIGHT SYSTEM -
• Aim each headlamp individually and ensure other headlamp beam pattern is blocked from screen.
- For vertical headlamp a

Page 2174 of 2771

NISSAN LATIO 2008 Service Repair Manual HEADLAMP (FOR CANADA) - DAYTIME LIGHT SYSTEM -
LT-37
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2. Remove the headlamp. Refer to LT-23, "Removal and Installation".
3. Turn bulb so

Page 2175 of 2771

NISSAN LATIO 2008 Service Repair Manual LT-38
< SERVICE INFORMATION >
HEADLAMP (FOR CANADA) - DAYTIME LIGHT SYSTEM -
DISASSEMBLY
1. Remove back cover.
2. Unlock retaining spring and remove bulb (High/Low).
3. Turn parking (clearance) lamp b

Page 2176 of 2771

NISSAN LATIO 2008 Service Repair Manual FRONT FOG LAMP
LT-39
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FRONT FOG LAMP
Component Parts and Harness Connector LocationINFOID:0000000001704397
System DescriptionINFOID:0000000001704

FRONT FOG LAMP
LT-39
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FRONT FOG LAMP
Component Parts and Harness Connector LocationINFOID:0000000001704397
System DescriptionINFOID:0000000001704398
The front fog lamps are controlled by lighting switch inputs to the BCM (body control module). The lighting
switch must be in the 1ST or 2ND position with the high beams OFF before the BCM will request the IPDM E/
R (intelligent power distribution module engine room) to turn the front fog lamps on. The BCM requests the
front fog lamps over the CAN communication lines to the IPDM E/R. The CPU (central processing unit) of the
IPDM E/R controls the front fog lamp relay coil ground. When energized, the relay directs power to the front
fog lamps.
OUTLINE
Power is supplied at all times:
• to front fog lamp relay (located in IPDM E/R),
• to ignition relay (located in IPDM E/R),
• through 15A fuse (No. 52, located in IPDM E/R) and
• through 20A fuse (No. 53, located in IPDM E/R)
• to CPU located in IPDM E/R,
• through 40A fusible link (letter g , located in the fuse and fusible link box)
• to BCM terminal 70,
• through 10A fuse [No. 8, located in fuse block (J/B)]
• to BCM terminal 57,
• through 10A fuse [No. 13, located in fuse block (J/B)]
• to combination meter terminal 27.
With the ignition switch in the ON or START position, power is supplied:
• to ignition relay (located in IPDM E/R),
• through 10A fuse [No. 6, located in fuse block (J/B)]
• to BCM terminal 38.
With the ignition switch in the ACC or ON position, power is supplied
• through 10A fuse [No. 20, located in fuse block (J/B)]
• to BCM terminal 11.
Ground is supplied
• to BCM terminal 67
• through grounds M57 and M61,
• to IPDM E/R terminals 39 and 59
• through grounds E15 and E24.
FOG LAMP OPERATION
The front fog lamp switch is built into the lighting switch. The lighting switch must be in 1ST position or 2ND
position and front fog lamp switch must be ON position for front fog lamp operation. The fog lamp will not oper-
ate with the high beam headlamps ON.
When the front fog lamp switch is in the ON position, the BCM sends a request, via the CAN communication
lines, to the CPU of the IPDM E/R to ground the coil side of the front fog lamp relay. The front fog lamp relay
then directs power
• through 15A fuse (No. 56, located in IPDM E/R)
1. IPDM E/R E46, E47 and E48 2. BCM M18 and M20 (viewed with
glove box removed)3. Combination switch (lighting switch)
M28
WKIA5554E

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