2008 NISSAN LATIO Service Repair Manual

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Page 2145 of 2771

NISSAN LATIO 2008 Service Repair Manual LT-8
< SERVICE INFORMATION >
HEADLAMP (FOR USA)
LKWA0319E

Page 2146 of 2771

NISSAN LATIO 2008 Service Repair Manual HEADLAMP (FOR USA)
LT-9
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LKWA0320E

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NISSAN LATIO 2008 Service Repair Manual LT-10
< SERVICE INFORMATION >
HEADLAMP (FOR USA)
Terminal and Reference Value for BCM
INFOID:0000000001704365
Refer to BCS-11, "Terminal and Reference Value for BCM" .
Terminal and Reference

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NISSAN LATIO 2008 Service Repair Manual HEADLAMP (FOR USA)
LT-11
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How to Perform Trouble DiagnosisINFOID:0000000001704367
1. Confirm the symptom or customer complaint.
2. Understand ope

HEADLAMP (FOR USA)
LT-11
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How to Perform Trouble DiagnosisINFOID:0000000001704367
1. Confirm the symptom or customer complaint.
2. Understand operation, description and function description. Refer to LT- 4 , "
System Description" .
3. Perform the Preliminary Check. Refer to LT- 11 , "
Preliminary Check" .
4. Check symptom and repair or replace the cause of the malfunction.
5. Do the headlamps operate normally? If YES, GO TO 6. If NO, GO TO 4.
6. INSPECTION END
Preliminary CheckINFOID:0000000001704368
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:0000000001704369
CONSULT-III can display each diagnostic item using the diagnostic test modes shown following.
WORK SUPPORT
Display Item List
DATA MONITOR
Display Item List
BCM diagnostic
test itemDiagnostic mode Description
Inspection by partWORK SUPPORTSupports inspections and adjustments. Commands are transmitted to the BCM for
setting the status suitable for required operation, input/output signals are received
from the BCM and received data is displayed.
DATA MONITOR Displays BCM input/output data in real time.
ACTIVE TEST Operation of electrical loads can be checked by sending drive signal to them.
SELF-DIAG RESULTS Displays BCM self-diagnosis results.
CAN DIAG SUPPORT MNTR The result of transmit/receive diagnosis of CAN communication can be read.
ECU PART NUMBER BCM part number can be read.
CONFIGURATION Performs BCM configuration read/write functions.
Item Description CONSULT-III Factory setting
BATTERY SAVER SETExterior lamp battery saver control mode can be changed
in this mode. Selects exterior lamp battery saver control
mode between ON/OFF.ON×
OFF —
Monitor item Contents
IGN ON SW "ON/OFF" Displays "IGN position (ON)/OFF, ACC position (OFF)" judged from the ignition switch signal.
ACC ON SW "ON/OFF" Displays "ACC (ON)/OFF, Ignition OFF (OFF)" status judged from ignition switch signal.
HI BEAM SW "ON/OFF"Displays status (high beam switch: ON/Others: OFF) of high beam switch judged from lighting
switch signal.
HEAD LAMP SW 1 "ON/OFF"Displays status (headlamp switch 1: ON/Others: OFF) of headlamp switch 2 judged from lighting
switch signal.
HEAD LAMP SW 2 "ON/OFF"Displays status (headlamp switch 2: ON/Others: OFF) of headlamp switch 2 judged from lighting
switch signal.

Page 2149 of 2771

NISSAN LATIO 2008 Service Repair Manual LT-12
< SERVICE INFORMATION >
HEADLAMP (FOR USA)
Note 1: Vehicles without daytime light system may display this item, but cannot monitor it.
ACTIVE TEST
Display Item List
SELF-DIAGNOSTIC RESULTS
Displ

LT-12
< SERVICE INFORMATION >
HEADLAMP (FOR USA)
Note 1: Vehicles without daytime light system may display this item, but cannot monitor it.
ACTIVE TEST
Display Item List
SELF-DIAGNOSTIC RESULTS
Display Item List
CONSULT-III Function (IPDM E/R)INFOID:0000000001704370
CONSULT-III can display each diagnostic item using the diagnostic test modes shown following.
DATA MONITOR
All Items, Main Items, Select Item Menu
LIGHT SW 1ST "ON/OFF"Displays status (lighting switch 1st position: ON/Others: OFF) of lighting switch judged from lighting
switch signal.
PASSING SW "ON/OFF"Displays status (flash-to-pass switch: ON/Others: OFF) of flash-to-pass switch judged from lighting
switch signal.
FR FOG SW "ON/OFF"Displays status (front fog lamp switch: ON/Others: OFF) of front fog lamp switch judged from light-
ing switch signal.
DOOR SW - DR "ON/OFF"Displays status of the front door LH as judged from the front door switch LH signal. (Door is open:
ON/Door is closed: OFF)
DOOR SW - AS "ON/OFF"Displays status of the front door RH as judged from the front door switch RH signal. (Door is open:
ON/Door is closed: OFF)
DOOR SW - RR "ON/OFF"Displays status of the rear door as judged from the rear door switch (RH) signal. (Door is open:
ON/Door is closed: OFF)
DOOR SW - RL "ON/OFF"Displays status of the rear door as judged from the rear door switch (LH) signal. (Door is open: ON/
Door is closed: OFF)
BACK DOOR SW "ON/OFF"Displays status of the back door as judged from the back door switch signal. (Door is open: ON/
Door is closed: OFF)
TURN SIGNAL R "ON/OFF" Displays status (Turn right: ON/Others: OFF) as judged from lighting switch signal.
TURN SIGNAL L "ON/OFF" Displays status (Turn left: ON/Others: OFF) as judged from lighting switch signal.
ENGINE RUN
Note 1"ON/OFF" Displays status (Engine running: ON/Others: OFF) as judged from engine status signal.
PKB SW
Note 1"ON/OFF"Displays status (Parking brake switch: ON/Others: OFF) as judged from parking brake switch sig-
nal. Monitor item Contents
Test item Description
TAIL LAMP Allows tail lamp relay to operate by switching ON-OFF.
HEAD LAMP Allows headlamp relay (HI, LO) to operate by switching ON-OFF.
FR FOG LAMP Allows fog lamp relay to operate by switching ON-OFF.
Monitored item CONSULT-llI display Description
CAN communication CAN communication [U1000] Malfunction is detected in CAN communication.
CAN communication system CAN communication system 1 to 6 [U1000] Malfunction is detected in CAN system.
IPDM E/R diagnostic Mode Description
SELF-DIAG RESULTS Displays IPDM E/R self-diagnosis results.
DATA MONITOR Displays IPDM E/R input/output data in real time.
CAN DIAG SUPPORT MNTR The result of transmit/receive diagnosis of CAN communication can be read.
ACTIVE TEST Operation of electrical loads can be checked by sending drive signal to them.

Page 2150 of 2771

NISSAN LATIO 2008 Service Repair Manual HEADLAMP (FOR USA)
LT-13
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NOTE:
Perform monitoring of IPDM E/R data with the ignition switch ON. When the ignition switch is at ACC, the dis-
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HEADLAMP (FOR USA)
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NOTE:
Perform monitoring of IPDM E/R data with the ignition switch ON. When the ignition switch is at ACC, the dis-
play may not be correct.
ACTIVE TEST
Headlamp High Beam Does Not Illuminate (Both Sides)INFOID:0000000001704371
1.CHECK COMBINATION SWITCH INPUT SIGNAL
With CONSULT-III
1. Select “BCM” on CONSULT-III. Select “HEAD LAMP” on “SELECT TEST ITEM” screen.
2. Select “DATA MONITOR” on “SELECT DIAG MODE” screen. Make sure that “HI BEAM SW” turns ON-
OFF linked with operation of lighting switch.
Without CONSULT-III
Refer to LT-63, "
Combination Switch Inspection" .
OK or NG
OK >> GO TO 2.
NG >> Check combination switch (lighting switch). Refer to LT-63, "
Combination Switch Inspection" .
2.HEADLAMP ACTIVE TEST
With CONSULT-III
1. Select “IPDM E/R” on CONSULT-III. Select “ACTIVE TEST” on “SELECT DIAG MODE” screen.
2. Select “EXTERNAL LAMPS” on “SELECT TEST ITEM” screen.
3. Touch “HI” screen.
4. Make sure headlamp high beam operates.
Without CONSULT-III
1. Start auto active test. Refer to PG-19, "
Auto Active Test" .
2. Make sure headlamp high beam operates.
Item nameCONSULT-III screen
displayDisplay or
unitMonitor item selection
Description
ALL
SIGNALSMAIN
SIGNALSSELECTION
FROM MENU
Parking, license plate
and tail lamps requestTAIL&CLR REQ ON/OFF×× ×Signal status input from BCM
Headlamp low beam re-
questHL LO REQ ON/OFF×× ×Signal status input from BCM
Headlamp high beam re-
questHL HI REQ ON/OFF×× ×Signal status input from BCM
Front fog lamps request FR FOG REQ ON/OFF×× ×Signal status input from BCM
Daytime light request DTRL REQ ON/OFF x x x Signal status input from BCM
Test item CONSULT-III screen display Description
Tail lamp relay output TAIL LAMPAllows tail lamp relay to operate by switching operation ON-OFF at your
option.
Headlamp relay (HI, LO) out-
put
LAMPSAllows headlamp relay (HI, LO) to operate by switching operation (OFF,
HI, LO) at your option (Head lamp high beam repeats ON-OFF every 1
second).
Front fog lamp relay (FOG)
outputAllows fog lamp relay (FOG) to operate by switching operation ON-OFF
at your option.
When lighting switch is high
position: HI BEAM SW ON
Headlamp high beam should operate
(Headlamp high beam repeats ON–OFF every 2 sec-
onds).

Page 2151 of 2771

NISSAN LATIO 2008 Service Repair Manual LT-14
< SERVICE INFORMATION >
HEADLAMP (FOR USA)
OK or NG
OK >> GO TO 3.
NG >> GO TO 4.
3.CHECK IPDM E/R
1. Select “IPDM E/R” on CONSULT-III. Select “DATA MONITOR” on “SELECT DIAG MODE” sc

Page 2152 of 2771

NISSAN LATIO 2008 Service Repair Manual HEADLAMP (FOR USA)
LT-15
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OK or NG
OK >> GO TO 7.
NG >> GO TO 8.
7.CHECK HEADLAMP GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Check continuit

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