2009 NISSAN LATIO Service Repair Manual

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NISSAN LATIO 2009 Service Repair Manual DI
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• through 10A fuse [No. 8, located in the fuse block (J/B)]
• to BCM terminal 57,
• through 10A fuse [No. 13, located in the fuse block (J/B)]
• to combination meter terminal 27.
Wit

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• through 10A fuse [No. 8, located in the fuse block (J/B)]
• to BCM terminal 57,
• through 10A fuse [No. 13, located in the fuse block (J/B)]
• to combination meter terminal 27.
With ignition switch in the ON or START position, power is supplied
• through 10A fuse [No. 6, located in the fuse block (J/B)]
• to BCM terminal 38,
• through 10A fuse [No. 3, located in the fuse block (J/B)]
• to combination meter terminal 28.
Ground is supplied
• to BCM terminal 67 and
• to combination meter terminals 21, 22 and 23
• through grounds M57 and M61.
IGNITION KEY WARNING CHIME (WITHOUT INTELLIGENT KEY) With the key inserted into the key switch, and the igni tion switch in the OFF or ACC position, when driver's
door is opened, the warning chime will sound.
• BCM detects key inserted into the ignition switch, and sends key warning signal to combination meter with CAN communication line.
• When combination meter receives key warning signal, it sounds warning chime.
IGNITION KEY WARNING CHIME (WITH INTELLIGENT KEY)
When Mechanical Key Is Used With the key inserted into the key switch, and the igniti on switch in the LOCK or ACC position, when driver's
door is opened, the warning chime will sound.
• BCM detects key inserted into the ignition switch, and sends key warning signal to combination meter with CAN communication line.
• When combination meter receives key warning signal, it sounds warning chime.
When Intelligent Key Is Carried With The Driver
Refer to BL-88, " System Description " .
LIGHT WARNING CHIME The warning chime sounds, when driver's door is opened (door switch ON) with lighting switch ON and the
ignition switch is in any position other than ON or START.
NOTE:
BCM detected lighting switch in the 1st or 2nd position, refer to LT-62, " Combination Switch Reading Func-
tion " .
• BCM detects headlamps are illuminated, and sends li ght warning signal to combination meter with CAN
communication lines. WKIA5464E

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NISSAN LATIO 2009 Service Repair Manual LKIA0906E

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Wiring Diagram - CHIME -
INFOID:0000000004307029 B

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NISSAN LATIO 2009 Service Repair Manual Terminal and Reference Value for BCM " .
CONSULT-III Function (BCM) INFOID:0000000004307031
CONSULT-III can display each diagnostic item us ing the diagnostic test modes shown following. B

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DATA MONITOR
Display Item List
ACTIVE TEST
Display Item List
SELF-DIAG RESULTS
Display Item List
NOTE:
If “CAN communication [U1000]” is indicated, after prin ting the monitor i

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DATA MONITOR
Display Item List
ACTIVE TEST
Display Item List
SELF-DIAG RESULTS
Display Item List
NOTE:
If “CAN communication [U1000]” is indicated, after prin ting the monitor item, go to “LAN system”. Refer to
LAN-17, " Trouble Diagnosis Flow Chart " .
Trouble Diagnosis INFOID:0000000004307032
HOW TO PERFORM TROUBLE DIAGNOSIS 1. Confirm the symptom and customer complaint.
2. Understand the outline of system. Refer to DI-42, " System Description " .
3. Perform the preliminary inspection. Refer to "PRELIMINARY INSPECTION".
4. According to symptom c hart, repair or replace the cause of the malfunction. Refer to "SYMPTOM
CHART".
5. Does warning chime system operate normally? If it operates normally, GO TO 6. If not, GO TO 4.
6. Inspection End.
PRELIMINARY INSPECTION BCM diagnostic
test item Diagnostic mode Description
Inspection by part WORK SUPPORT
Supports 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. Monitored item ALL SIGNALS
SELECTION
FROM MENU Contents
IGN ON SW X X Indicates [ON/OFF] condition of ignition switch.
KEY ON SW X X Indicates [ON/OFF] condition of key switch.
DOOR SW-DR X X Indicates [ON/OFF] condition of front door switch LH.
LIGHT SW 1ST X X Indicates [ON/OFF] condition of lighting switch.
BUCKLE SW X X Indicates [ON/OFF] condition of seat belt buckle switch LH. Test item Malfunction is detected when···
IGN KEY WARN ALM This test is able to check key warning chime operation.
LIGHT WARN ALM This test is able to check light warning chime operation.
SEAT BELT WARN TEST This test is able to check seat belt warning chime operation. Display item [Code] Malfunction is detected when...
CAN communication [U1000] Malfunction is detected in CAN communication.

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NISSAN LATIO 2009 Service Repair Manual CONSULT-III Function (BCM) " .
Self - diagnostic results content
No malfunction detected>>GO TO 2.
Malfunction detected>> Check applicable parts, and repair or replace corresponding parts. CONSULT-III

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OK >> Check battery power supply circuit of combinati
on meter. If OK, replace combination meter. Refer
to IP-12, " Removal and Installation " .
NG >> Replace BCM. Refer to BCS-18, " Remova

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NISSAN LATIO 2009 Service Repair Manual Removal and Installation of BCM " .
NG >> Replace front door switch LH.
Key Switch Signal Inspection (Without Intelligent Key) INFOID:0000000004307035OK >> GO TO 2.
NG >> Be sure to repair the cause o

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