2009 NISSAN LATIO Service Repair Manual

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Page 3625 of 4331

NISSAN LATIO 2009 Service Repair Manual LT
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Headlamp Low Beam Does
Not Illuminate (One Side) INFOID:0000000004306535OK >> GO TO 2.
NG >> Repair harness. OK >> GO TO 3.
NG >> Replace bulb. Refer to LT-22, " Bulb Replacement " .
OK

Page 3626 of 4331

NISSAN LATIO 2009 Service Repair Manual LT-20< SERVICE INFORMATION >
HEADLAMP (FOR USA)
3. Check continuity between IPDM E/R harness connector (A) and
headlamp harness connector (B).
OK or NG OK >> Replace IPDM E/R. Refer to
PG-26, " IPDM

Page 3627 of 4331

NISSAN LATIO 2009 Service Repair Manual LT
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Aiming Adjustment
INFOID:0000000004306537
PREPARATION BEFORE ADJUSTING Before performing aiming adjustment, check the following.
1. Keep all tires inflated to correct pressures.
2. Place veh

Page 3628 of 4331

NISSAN LATIO 2009 Service Repair Manual Removal and Installation " .
3. Remove back cover.
4. Unlock retaining spring and remove bulb from headlamp.
PARKING (CLEARANCE) LAMP
1. Turn lighting switch OFF. A. Right B. Vertical center line o

Page 3629 of 4331

NISSAN LATIO 2009 Service Repair Manual LT
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2. Remove the headlamp. Refer to
LT-23, " Removal and Installation " .
3. Turn bulb socket counterclockwise and unlock it.
4. Remove bulb from its socket.
FRONT TURN SIGNAL LAMP 1. Turn ligh

Page 3630 of 4331

Page 3631 of 4331

NISSAN LATIO 2009 Service Repair Manual LT
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HEADLAMP (FOR CANADA)
- DAYTIME LIGHT SYSTEM -
Component Parts and Har ness Connector Location INFOID:0000000004306541
System Description INFOID:0000000004306542
Headlamp operation is con

LT
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HEADLAMP (FOR CANADA)
- DAYTIME LIGHT SYSTEM -
Component Parts and Har ness Connector Location INFOID:0000000004306541
System Description INFOID:0000000004306542
Headlamp operation is controlled by the BCM (body c ontrol module) based on inputs from the combination
switch (lighting switch). When the lighting switch is pl aced in the 2ND position, the BCM receives an input sig-
nal requesting the headlamps (and tail lamps) illuminate. The request is then communicated to the IPDM E/R
(intelligent power distribution module engine room) vi a the CAN communication lines. The CPU (central pro-
cessing unit) located in the IPDM E/R controls ground for the headlamp high and headlamp low relay coils.
These relays direct power to the respective headlamps , which then illuminate. When the headlamp switch is
OFF or in the 1ST position (parking lamps ON), the parking brake is released and the engine is running, the
IPDM E/R de-energizes the headlamp relays and supplies gr ound to the daytime light relay 1 to actuate the
daytime light function.
OUTLINE Power is supplied at all times
• to headlamp high relay RH and LH (located in IPDM E/R)
• to headlamp low relay (located in IPDM E/R) and
• 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 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,
• through 10A fuse (No. 26, located in fuse and fusible link box)
• to the daytime light relay 1.
With the ignition switch in the ON or START position, power is supplied
• to the ignition relay (located in IPDM E/R),
• through 10A fuse [No. 6, located in fuse block (J/B)]
• to BCM terminal 38, 1. IPDM E/R E43, E46, E47 and E48 2. BCM M18 and M20 (view with glove
box removed)3. Combination switch (lighting switch)
M28
4. Combination meter M24 5. Daytime light relay 1 E37 and day- time light relay 2 E386. Parking brake switch M17

Page 3632 of 4331

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