Page 458 of 4331
OK >> GO TO 3.
NG >> Repair or replace the harness. OK >> Power supply and ground circuit is OK.
NG >> Repair or replace harness.
CONSULT-III Function (BCM) INFOID:0000000004306839
CONSULT-III can display each diagnostic item us ing the diagnostic test modes shown following.
ITEMS OF EACH PART
NOTE:
CONSULT-III will only display systems the vehicle possesses. M20
57 Ground
Battery
power
supply Ignition
switch
OFF Battery voltage
70 Ground Battery
power
supply Ignition
switch OFF Battery voltage
Connector
Terminals
Power
source Condition Voltage (V) (Ap-
prox.)
(+) (-) System and item
CONSULT-III dis-
play Diagnostic test mode (Inspection by part)
WORK
SUPPORT SELF
−
DIAG RE- SULTS CAN DIAG
SUPPORT MNTR DATA
MONITOR ECU
PART
NUMBER AC-
TIVE
TEST CON-
FIGU-
RATION
BCM BCM × × × × ×
Power door lock sys-
tem DOOR LOCK
× × ×
Rear defogger REAR DEFOG-
GER × ×
Warning chime BUZZER × ×
Page 459 of 4331
BCS
N
O P
WORK SUPPORT
Display Item List
CAN Communication Inspection Usin g CONSULT-III (Self-Diagnosis) INFOID:0000000004306840Item Description
RESET SETTING VALUE Return a value set with WORK SUPPORT of each system to a default value in factory shipment. CONSULT-III display code Diagnosis item
U1000 INITIAL DIAG
TRANSMIT DIAG ECM
IPDM E/R
METER/M&A I-KEY
Page 460 of 4331

Trouble Diagnosis Flow Chart " .
Configuration INFOID:0000000004306841
DESCRIPTION
CONFIGURATION has three functions as follows:
• READ CONFIGURATION is the function to read (e xtract) vehicle configuration of current BCM.
• WRITE CONFIGURATION-Manual selection is the functi on to select and write vehicle configuration on BCM
manually.
• WRITE CONFIGURATION-Config file is the function to write vehicle configuration with the data extracted
from current BCM.
• For READ CONFIGURATION and WRIT E CONFIGURATION-Config file, refer to CONSULT-III Operation
Manual.
• For WRITE CONFIGURATION-Manual selection using the following flow chart, identify the correct model
and configuration list. Confirm and/or change setting value for each item according to the configuration list.
Depending on CONSULT-III software version being used, some or all of the write configuration items shown
in the following configuration lists may be displayed. If an item does not appear on the CONSULT-III WRITE
CONFIGURATION-Manual selection screen(s), then it is an auto setting item and it cannot be manually set
or changed.
NOTE:
Confirm vehicle model on IDENTI FICATION PLATE. Refer to GI-43, " Model Variation " .
Models with VIN up to 386333
Models with VIN starting with 386334
HR16DE Models
MR18DE Models
CAUTION:
• When replacing BCM, you must perform WRITE CONFIGURATION with CONSULT-III.
• Complete the procedure of WRITE CONFIGURATION in order.
• If you set incorrect WRITE CONF IGURATION, incidents will occur.
• Configuration is different for each vehicle mode l. Confirm configuration of each vehicle model.
Removal and Installation of BCM INFOID:0000000004306842
REMOVAL
CAUTION:
Before replacing BCM, perform "READ CONFIGURATI ON" to save or print current vehicle specifica-
tion. Refer to BCS-18, " Configuration " .
1. Remove the glove box. Refer to IP-12, " Removal and Installation " .
ITEM SET VAL NOTE
KEYLESS ENTRY WITH ⇔ WITHOUT —
I-KEY WITH ⇔ WITHOUT —
DTRL WITH ⇔ WITHOUT —
THEFT ALARM WITH ⇔ WITHOUT — ITEM SET VAL NOTE
SPEED SNS WIP WITH ⇔ WITHOUT —
ITEM SET VAL NOTE
KEYLESS ENTRY WITH ⇔ WITHOUT —
I-KEY WITH ⇔ WITHOUT —
SPEED SNS WIP WITH ⇔ WITHOUT —
THEFT ALARM WITH ⇔ WITHOUT —
Page 502 of 4331

BL
N
O P
1: With Intelligent Key
2: Without Intelligent Key
3: Hatchback without Intelligent Key
4: Sedan without Intelligent Key
5: Hatchback
6: Sedan
7: With power door locks
8: With power windows
Work Flow INFOID:0000000004304994
1. Check the symptom and customer's requests.
2. Understand the outline of system. Refer to BL-23, " System Description " .
3. According to the trouble diagnosis chart, repair or replace the cause of the malfunction. Refer to BL-119," Trouble Diagnosis Symptom Chart " .
4. Does power door lock system operate normally? OK: GO TO 5, NG: GO TO 3.
5. Inspection End.
CONSULT-III Function (BCM) INFOID:0000000004304995
CONSULT-III can display each diagnostic item using the diagnostic test modes shown following. 65
7
SBAll door lock actuators
(lock) Output OFFOFF (neutral) 0V
ON (lock) Battery voltage
66 7
GFront door lock actua-
tor RH, rear door lock
actuators LH/RH (un-
lock) Output OFFOFF (neutral) 0V
ON (unlock) Battery voltage
67 B Ground Input ON — 0V
68 8
LPower window power
supply (RAP) Output —Ignition switch ON Battery voltage
Within 45 seconds after igni-
tion switch OFF Battery voltage
More than 45 seconds after ig-
nition switch OFF 0V
When front door LH or RH is
open or power window timer
operates 0V
69 8
P Battery power supply
OutputOFF
— Battery voltage
70 Y Battery power supply Input OFF — Battery voltage
Terminal
Wire
color Signal name Signal
input/
output Measuring condition
Reference value or waveform
(Approx.)
Ignition
switch Operation or condition
Page 530 of 4331

BL
N
O P
1: With Intelligent Key
2: Without Intelligent Key
3: Hatchback without Intelligent Key
4: Sedan without Intelligent Key
5: Hatchback
6: Sedan
7: With power door locks
8: With power windows
How to Perform Trouble Diagnosis INFOID:0000000004305012
1. Confirm the symptom or customer complaint.
2. Understand operation, description and function description. Refer to BL-58, " System Description " .
3. Perform the Preliminary Check. Refer to LT-11, " Preliminary Check " .
4. Check symptom and repair or replace the component.
5. Does the remote keyless entry system operate normally? If YES, GO TO 6. If NO, GO TO 4.
6. Inspection End.
Preliminary Check INFOID:0000000004305013
CHECK BCM CONFIGURATION Configuration " .
OK or NG OK >> Refer to
BL-71, " Work Flow " .
NG >> Change BCM configuration for "KEYLESS ENTRY" to "WITH". Refer to BCS-18, " Configuration " .
CONSULT-III Function (BCM) INFOID:0000000004305014
CONSULT-III can display each diagnostic item using the diagnostic test modes shown following. 65
7
SBAll door lock actuators
(lock) Output OFFOFF (neutral) 0V
ON (lock) Battery voltage
66 7
GFront door lock actua-
tor RH, rear door lock
actuators LH/RH (un-
lock) Output OFFOFF (neutral) 0V
ON (unlock) Battery voltage
67 B Ground Input ON — 0V
68 8
LPower window power
supply (RAP) Output —Ignition switch ON Battery voltage
Within 45 seconds after igni-
tion switch OFF Battery voltage
More than 45 seconds after ig-
nition switch OFF 0V
When front door LH or RH is
open or power window timer
operates 0V
69 8
P Battery power supply
OutputOFF
— Battery voltage
70 Y Battery power supply Input OFF — Battery voltage
Terminal
Wire
color Signal name Signal
input/
output Measuring condition
Reference value or waveform
(Approx.)
Ignition
switch Operation or condition
Page 577 of 4331

Trouble Diagnosis Symptom Chart " .
KEY warning lamp illuminates red >> Refer to BL-119, " Trouble Diagnosis Symptom Chart " .
Does not illuminate>>GO TO BL-119, " Trouble Diagnosis Symptom Chart " .
Trouble Diagnosis Symptom Chart " .
No start by mechanical key or Intelligent Key >> Refer to NATS BL-257, " Trouble Diagnosis Procedure " .
Engine starts with Intelligent Key or mechanical key >> GO TO "WORK FLOW".
The engine can be started by all mechanical keys >> GO TO 6 CONSULT-III Application Item " .
DTC is not displayed >> Refer to BL-119, " Trouble Diagnosis Symptom Chart " .
WORK FLOW
Before performing the work flow, carry out prel iminary check. Refer to "PRELIMINARY CHECK". Trouble Diagnosis Symptom
Chart " .
Specific function of Intelligent Ke y system does not operate >> GO TO 2OK >> GO TO 3
NG >> Refer to BL-22 .
OK >> GO TO 4
NG >> Refer to BL-119, " Trouble Diagnosis Symptom Chart " .
OK >> GO TO 5
NG >> Refer to BL-119, " Trouble Diagnosis Symptom Chart " .
Page 578 of 4331

BL
N
O P
• Intelligent Key button
OK or NG OK >> GO TO 6
NG >> Refer to BL-119, " Trouble Diagnosis Symptom Chart " .
System
Description " .
OK or NG OK >> GO TO 7
NG >> Refer to BL-119, " Trouble Diagnosis Symptom Chart " .
System
Description " .
OK or NG OK >> Inspection End.
NG >> Refer to BL-119, " Trouble Diagnosis Symptom Chart " .
CONSULT-III Functions (INTELLIGENT KEY) INFOID:0000000004305042
CONSULT-III can display each diagnostic item using the diagnostic test modes as shown below.
CONSULT-III Application Item INFOID:0000000004305043
SELF-DIAGNOSTIC RESULTS
DATA MONITOR Part to be diagnosed Test item, Diagnosis mode Description
Intelligent Key WORK SUPPORT Changes settings for each function.
SELF-DIAG RESULTS Intelligent Key unit performs CAN communication diagnosis.
DATA MONITOR Displays Intelligent Key unit input data in real time.
CAN DIAGNOSTIC SUPPORT
MONITOR The results of transmit/receive diagnosis of CAN Communication can
be read.
ACTIVE TEST Operation of electrical loads can be checked by sending driving signal
to them.
ECU PART NUMBER Displays Intelligent Key unit part No. Self-diag results Description Diagnosis procedure Reference page
CAN COMM Malfunction is detected in CAN co mmunication. Check CAN communication system. BL-126CAN COMM2 Intelligent Key unit internal malfunction Check CAN communication system.
BL-126STRG COMM
Malfunction is detected in communication of Intelli-
gent Key unit and steering lock solenoid. Check steering lock solenoid.
BL-147I-KEY C/U Intelligent Key unit internal ma
lfunction Replace Intelligent Key unit. BL-158IMMU NATS malfunction Check NATS.
BL-248Monitor item Content
PUSH SW Indicates [ON/OFF] condition of ignition knob switch.
KEY SW Indicates [ON/OFF] condition of key switch.
DR REQ SW Indicates [ON/OFF] condition of door request switch (driver side).
AS REQ SW Indicates [ON/OFF] condition of door request switch (passenger side).
BD/TR REQ SW Indicates [ON/OFF] condition of back door request switch.
Page 587 of 4331
![NISSAN LATIO 2009 Service Repair Manual NO DTC IS DETECT
ED>> Inspection End.
CAN COMM [U1000]>> After printing “SELF-DIAGNOSI S RESULTS”, go to “CAN SYSTEM”. Refer to LAN-17, " Trouble Diagnosis Flow Chart " .
CAN COMM2 [U1010] >> NISSAN LATIO 2009 Service Repair Manual NO DTC IS DETECT
ED>> Inspection End.
CAN COMM [U1000]>> After printing “SELF-DIAGNOSI S RESULTS”, go to “CAN SYSTEM”. Refer to LAN-17, " Trouble Diagnosis Flow Chart " .
CAN COMM2 [U1010] >>](/manual-img/5/57359/w960_57359-586.png)
NO DTC IS DETECT
ED>> Inspection End.
CAN COMM [U1000]>> After printing “SELF-DIAGNOSI S RESULTS”, go to “CAN SYSTEM”. Refer to LAN-17, " Trouble Diagnosis Flow Chart " .
CAN COMM2 [U1010] >> Replace Intelligent Key unit. Refer to BL-158, " Removal and Installation of Intelli-
gent Key Unit " .
Power Supply and Ground Circuit Inspection INFOID:00000000043050462. Check Intelligent Key battery.
BL-158 3. Check KEY warning lamp (green).
BL-155 4. Replace Intelligent Key unit.
BL-158P position warning lamp does not illuminate properly.
(With CVT or A/T) 1. Check CVT or A/T device (park position switch).
BL-153 2. Check “P-SHIFT” warning lamp (red).
BL-154 3. Replace Intelligent Key unit.
BL-158LOCK warning lamp does not illuminate properly.
(With M/T) 1. Check key interlock solenoid.
BL-149 2. Check "LOCK" warning lamp.
BL-155 3. Replace Intelligent Key unit.
BL-158Take away warning lamp does not illuminate properly.
(Take away warning chime is operated). 1. Check KEY warning lamp (red).
BL-158 2. Replace Intelligent Key unit.
BL-158Ignition switch warning lamp does not illuminate properly.
(Ignition switch warning chime is operated). 1. Check KEY warning lamp (red).
BL-155 2. Replace Intelligent Key unit.
BL-158CONSULT-III display item DTC code
NO DTC IS DETECTED — CAN COMM U1000
CAN COMM2 U1010