ECU NISSAN LATIO 2011 Service Owner's Guide

BL-70
< SERVICE INFORMATION >
REMOTE KEYLESS ENTRY SYSTEM
CONSULT-III APPLICATION ITEMS
Work Support
HAZARD LAMP SET
AUTO LOCK SET
PANIC ALARM SET
TRUNK OPEN SET
Data Monitor
Diagnostic modeDescription
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 date 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 DIAGNOSTIC RESULT Displays BCM self-diagnosis results. CAN DIAG SUPPORT MNTR The result of transmit/receive diagnosis of CAN communication can be read. ECU IDENTIFICATION BCM part number can be read.CONFIGURATION Performs BCM configuration read/write functions.
Te s t I t e m D e s c r i p t i o n
HORN CHIRP SET Horn chirp (On/Off) when keyfob Lock or Unlock is pressed can be selected.
REMO CONT ID REGIST Keyfob ID code can be registered.
REMO CONT ID ERASER Keyfob ID code can be erased.
REMO CONT ID CONFIR Keyfob ID code can be checked whether it is registered or not.
MODE 1 MODE 2MODE 3 MODE 4
Hazard lamp operation mode NothingUnlock only Lock only Lock and Unlock
MODE 1 MODE 2MODE 3
Auto locking function 30 secondsNothing1 minutes
MODE 1 MODE 2MODE 3
Keyfob operation 0.5 secondsNothing1.5 seconds
MODE 1 MODE 2MODE 3
Keyfob operation 0.5 secondsNothing1.5 seconds
Monitored Item Description
IGN ON SW Indicates [ON/OFF] condition of ignition switch in ON position.
KEY ON SW Indicates [ON/OFF] condition of key switch.
ACC ON SW Indicates [ON/OFF] condition of ignition switch in ACC position.
KEYLESS LOCK Indicates [ON/OFF] condition of lock signal from keyfob.
KEYLESS UNLOCK Indicates [ON/OFF] condition of unlock signal from keyfob.
KEYLESS PANIC Indicates [ON/OFF] condition of panic alarm signal from keyfob.
DOOR SW-DR Indicates [ON/OFF] condition of front door switch driver side.
DOOR SW-AS Indicates [ON/OFF] condition of front door switch passenger side.
DOOR SW-RR Indicates [ON/OFF] condition of rear door switch RH.
DOOR SW-RL Indicates [ON/OFF] condition of rear door switch LH.
TRNK OPN MNTR Indicates [ON/OFF] condition of trunk room lamp switch (sedan).
BACK DOOR SW Indicates [ON/OFF] condition of back door switch (hatchback).
CDL LOCK SW Indicates [ON/OFF] condition of lock signal from door lock and unlock switch.
Revision: May 2010 2011 Versa

REMOTE KEYLESS ENTRY SYSTEMBL-73
< SERVICE INFORMATION >
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Check keyfob function using Remote Keyless Entry Tester J-43241.
OK or NG
OK >> Keyfob is OK.
NG >> GO TO 2
2. CHECK KEY FOB COMPONENTS
1. Open the lid using a coin. CAUTION:
• Do not touch the circuit board or battery terminal.
• The keyfob is water-resistant. However, if it does get wet,immediately wipe it dry.
2. Remove the key fob battery. CAUTION:
• Keep dirt, grease, and other fo reign materials off the elec-
trode contact area.
3. Visually inspect keyfob internal components.
Is the inspection result normal?
YES >> GO TO 3
NO >> Repair or replace malfunctioning parts.
3.CHECK KEY FOB BATTERY
Check by connecting a resistance (approximately 300 Ω) so that the
current value becomes about 10 mA.
Is the measurement val ue within specification?
YES >> Key fob battery is OK. Check remote keyless entry
receiver. Refer to BL-80, "
Remote Keyless Entry
Receiver Check".
NO >> GO TO 4
4. REPLACE KEY FOB BATTERY
1. Replace the key fob battery, positive side down.
2. Align the tips of the upper and lower parts, and then push them together until it is securely closed.
CAUTION:
• When replacing battery, keep dirt, grease, and other for-eign materials off the electrode contact area.
3. After replacing the battery, check that all key fob functions work properly.
Is the inspection result normal?
YES >> Key fob is OK.
NO >> Check remote keyless entry receiver. Refer to BL-80,
"Remote Keyless Entry Receiver Check".
LEL946A
ALKIA1720GB
Standard : Approx. 2.5 - 3.0V
OCC0607D
ALKIA1721GB
Revision: May 2010 2011 Versa

BL-112
< SERVICE INFORMATION >
INTELLIGENT KEY SYSTEM
15 WTire pressure warning
check connector
Input OFF
—5V
18 V Remote keyless entry
receiver (ground) Output OFF
—0V
19 BR Remote keyless entry
receiver (power sup-
ply) Output OFF Ignition switch OFF
20 G Remote keyless entry
receiver signal (signal)
Input OFFStand-by (keyfob buttons re-
leased)
When remote keyless entry
receiver receives signal from
keyfob (keyfob buttons
pressed)
21 P NATS antenna amp. Input/
Output OFF
→
ON Ignition switch (OFF
→ ON)Just after turning ignition switch
ON: Pointer of tester should
move for approx. 1 second, then
return to battery voltage.
23 R Security indicator
lamp Output OFF
Goes OFF
→ illuminates (Ev-
ery 2.4 seconds) Battery voltage
→ 0V
25 LG NATS antenna amp. Input/
Output OFF
→
ON Ignition switch (OFF
→ ON)Just after turning ignition switch
ON: Pointer of tester should
move for approx. 1 second, then return to battery voltage.
26 GR Thermo control amp. Input ON A/C switch ON
27 O Compressor ON sig-
nal Input ONA/C switch OFF
5V
A/C switch ON 0V
28 P Front blower monitor Input ON Front blower motor OFF
Battery voltage
Front blower motor ON 0V
29 L Hazard switch Input OFFON
0V
OFF 5V
Te r m i n a l
Wire
color Signal name Signal
input/
output Measuring condition
Reference value or waveform
(Approx.)
Ignition
switch Operation or condition
LIIA1893E
LIIA1894E
LIIA1895E
ZJIA0719J
Revision: May 2010
2011 Versa

INTELLIGENT KEY SYSTEMBL-117
< SERVICE INFORMATION >
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5.CHECK HAZARD AND BUZZER REMINDER FUNCTION
Check if hazard and buzzer reminder function responds with the following switches.
• Door request switch
• Intelligent Key button
OK or NG
OK >> GO TO 6
NG >> Refer to BL-119, "
Trouble Diagnosis Symptom Chart".
6.CHECK WARNING CHIME FUNCTION
Check if warning chime function operates normally according to system description. Refer to BL-88, "
System
Description".
OK or NG
OK >> GO TO 7
NG >> Refer to BL-119, "
Trouble Diagnosis Symptom Chart".
7.CHECK WARNING LAMP FUNCTION
Check if warning lamp could be turn on normally according to system description. Refer to BL-88, "
System
Description".
OK or NG
OK >> Inspection End.
NG >> Refer to BL-119, "
Trouble Diagnosis Symptom Chart".
CONSULT-III Functions (INTELLIGENT KEY)INFOID:0000000005929338
CONSULT-III can display each diagnostic item using the diagnostic test modes as shown below.
CONSULT-III Application ItemINFOID:0000000005929339
SELF-DIAGNOSTIC RESULTS
DATA MONITOR
Diagnostic mode Description
WORK SUPPORT Changes settings for each function.
SELF DIAGNOSTIC RESULT Intelligent Key unit performs CAN communication diagnosis. DATA MONITOR Displays Intelligent Key unit input data in real time.
CAN DIAG SUPPORT MNTR 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 IDENTIFICATION Displays In telligent Key unit part No.
Self-diag resultsDescription Diagnosis procedureReference page
CAN COMM Malfunction is detected in CAN co mmunication. Check CAN communication system. BL-126
CAN COMM2 Intelligent Key unit internal malfunction Check CAN communication system.BL-126
STRG COMMMalfunction is detected in communication of Intelli-
gent Key unit and steering lock solenoid.
Check steering lock solenoid.
BL-147
I-KEY C/UIntelligent Key unit internal ma lfunctionReplace Intelligent Key unit. BL-158
IMMUNATS malfunction Check NATS.BL-246
Monitor 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).
Revision: May 2010 2011 Versa

BACK DOOR LOCKBL-177
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15 W Tire pressure warning
check connector
Input OFF
—5V
18 V Remote keyless entry
receiver (ground) Output OFF
—0V
19 BR Remote keyless entry
receiver (power sup-
ply) Output OFF Ignition switch OFF
20 G Remote keyless entry
receiver signal (signal)
Input OFFStand-by (keyfob buttons re-
leased)
When remote keyless entry
receiver receives signal from
keyfob (keyfob buttons
pressed)
21 P NATS antenna amp. Input/
Output OFF
→
ON Ignition switch (OFF → ON) Just after turning ignition switch
ON: Pointer of tester should
move for approx. 1 second, then
return to battery voltage.
23 R Security indicator
lamp Output OFF
Goes OFF
→ illuminates (Ev-
ery 2.4 seconds) Battery voltage
→ 0V
25 LG NATS antenna amp. Input/
Output OFF
→
ON Ignition switch (OFF → ON) Just after turning ignition switch
ON: Pointer of tester should
move for approx. 1 second, then return to battery voltage.
26 GR Thermo control amp. Input ON A/C switch ON
27 O Compressor ON sig-
nal Input ONA/C switch OFF
5V
A/C switch ON 0V
28 P Front blower monitor Input ON Front blower motor OFF
Battery voltage
Front blower motor ON 0V
29 L Hazard switch Input OFFON
0V
OFF 5V
Te r m i n a l
Wire
color Signal name Signal
input/
output Measuring condition
Reference value or waveform
(Approx.)
Ignition
switch Operation or condition
LIIA1893E
LIIA1894E
LIIA1895E
ZJIA0719J
Revision: May 2010
2011 Versa

BL-182
< SERVICE INFORMATION >
BACK DOOR LOCK
*1: With continuously variable transmission (CVT) or automatic transmission (A/T).
*2: With manual transmission (M/T).
CONSULT-III Function (BCM)INFOID:0000000005929384
CONSULT-III can display each diagnostic item us ing the diagnostic test modes shown following.
28 YUnlock sensor
(driver side) —Door (driver si
de) is locked. 5
Door (driver side ) is unlocked. 0
29 V Back door request
switch (hatchback)
—Press back door request switch.
0
Other than above 5
Trunk opener request
switch (sedan) —Press trunk opener request switch.
0
Other than above 5
31 BR Steering lock solenoid
ground ——
0
32 GR Steering lock solenoid
communication signal LOCKWhen Intelligent Key is inside vehicle,
press ignition knob switch.
Other than above
5
33 R Rear floor antenna (+)
signal
LOCK• Any door open
→ all door close
• Press ignition knob switch: ON (Ignition
knob switch)
34 G Rear floor antenna (-)
signal
37 BR Front outside antenna
RH (+) signal
LOCK Press door request switch RH.
38 Y Front outside antenna
RH (-) signal
Te r m i n a l
Wire
Color Item Condition
Voltage (V)Approx.
Ignition
Switch
Position Operation or Conditions
SIIA1911J
PIIB5502J
SIIA1910J
Diagnostic mode
Description
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 date
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 DIAGNOSTIC RESULT Displays BCM self-diagnosis results.
CAN DIAG SUPPORT MNTR The result of transmit/receive diagnosis of CAN communication can be read. ECU IDENTIFICATION BCM part number can be read.CONFIGURATION Performs BCM configuration read/write functions.
Revision: May 2010 2011 Versa

BL-202
< SERVICE INFORMATION >
TRUNK LID OPENER
15 WTire pressure warning
check connector
Input OFF
—5V
18 V Remote keyless entry
receiver (ground) Output OFF
—0V
19 BR Remote keyless entry
receiver (power sup-
ply) Output OFF Ignition switch OFF
20 G Remote keyless entry
receiver signal (signal)
Input OFFStand-by (keyfob buttons re-
leased)
When remote keyless entry
receiver receives signal from
keyfob (keyfob buttons
pressed)
21 P NATS antenna amp. Input/
Output OFF
→
ON Ignition switch (OFF
→ ON)Just after turning ignition switch
ON: Pointer of tester should
move for approx. 1 second, then
return to battery voltage.
23 R Security indicator
lamp Output OFF
Goes OFF
→ illuminates (Ev-
ery 2.4 seconds) Battery voltage
→ 0V
25 LG NATS antenna amp. Input/
Output OFF
→
ON Ignition switch (OFF
→ ON)Just after turning ignition switch
ON: Pointer of tester should
move for approx. 1 second, then return to battery voltage.
26 GR Thermo control amp. Input ON A/C switch ON
27 O Compressor ON sig-
nal Input ONA/C switch OFF
5V
A/C switch ON 0V
28 P Front blower monitor Input ON Front blower motor OFF
Battery voltage
Front blower motor ON 0V
29 L Hazard switch Input OFFON
0V
OFF 5V
Te r m i n a l
Wire
color Signal name Signal
input/
output Measuring condition
Reference value or waveform
(Approx.)
Ignition
switch Operation or condition
LIIA1893E
LIIA1894E
LIIA1895E
ZJIA0719J
Revision: May 2010
2011 Versa

TRUNK LID OPENERBL-207
< SERVICE INFORMATION >
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*1: With continuously variable transmission (CVT) or automatic transmission (A/T).
*2: With manual transmission (M/T).
CONSULT-III Function (BCM)INFOID:0000000005929402
CONSULT-III can display each diagnostic item using the diagnostic test modes shown following.
28 Y Unlock sensor
(driver side) —Door (driver si
de) is locked. 5
Door (driver side ) is unlocked. 0
29 V Back door request
switch (hatchback)
—Press back door request switch.
0
Other than above 5
Trunk opener request
switch (sedan) —Press trunk opener request switch.
0
Other than above 5
31 BR Steering lock solenoid
ground ——
0
32 GR Steering lock solenoid
communication signal LOCKWhen Intelligent Key is inside vehicle,
press ignition knob switch.
Other than above
5
33 R Rear floor antenna (+)
signal
LOCK• Any door open
→ all door close
• Press ignition knob switch: ON (Ignition
knob switch)
34 G Rear floor antenna (-)
signal
37 BR Front outside antenna
RH (+) signal
LOCK Press door request switch RH.
38 Y Front outside antenna
RH (-) signal
Terminal
Wire
Color Item Condition
Voltage (V)Approx.
Ignition
Switch
Position Operation or Conditions
SIIA1911J
PIIB5502J
SIIA1910J
Diagnostic mode
Description
WORK SUPPORT Supports inspections and adjustments. Commands are transmitted to the BCM for setting the sta-
tus suitable for required operation, input/output signals are received from the BCM and received
date 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 DIAGNOSTIC RESULT Displays BCM self-diagnosis results.
CAN DIAG SUPPORT MNTR The result of transmit/receive diagnosis of CAN communication can be read. ECU IDENTIFICATION BCM part number can be read.CONFIGURATION Performs BCM configuration read/write functions.
Revision: May 2010 2011 Versa

VEHICLE SECURITY (THEFT WARNING) SYSTEMBL-217
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VEHICLE SECURITY (THE FT WARNING) SYSTEM
Component Parts and Harness Connector LocationINFOID:0000000005929411
ALKIA1778ZZ
1. Horn relay H-1 2. BCM M18, M19, M20
(view with glove box removed) 3. Intelligent Key unit M52
(with Intelligent Key)
4. Combination meter M24 5. Security indicator lamp 6. Front door lock assembly LH (key
cylinder switch) D14
7. Front door switch LH B8 RH B108 8. Rear door switch LH B6
RH B116 9. Back door lock assembly (back door
switch) D405 (hatchback view with
back door open)
Revision: May 2010 2011 Versa

BL-218
< SERVICE INFORMATION >
VEHICLE SECURITY (THEFT WARNING) SYSTEM
System Description
INFOID:0000000005929412
DESCRIPTION
Operation Flow
Setting the vehicle security system
Initial condition• Ignition switch is in OFF position.
Disarmed phase• When the vehicle is being driven or when any door or trunk (sedan) is open, the vehicle security system is
set in the disarmed phase on the assumption that the owner is inside or near the vehicle.
Pre-armed phase and armed phase• The vehicle security system turns into the "pre-armed" phase (security lamp illuminates) when the BCM receives LOCK signal from front door key cylinder switch, keyfob or Intelligent Key after all doors and trunk
(sedan) are closed.
• All doors and trunk (sedan) are closed after front doors are locked by key or door lock and unlock switch.
The security indicator lamp illuminates for 30 seconds. then, the system automatically shifts into the "armed"
phase.
Canceling the set vehicle security system
Armed phase is canceled when the driver unlocks the doors or the trunk (sedan) with the key, keyfob or Intelli-
gent Key.
Activating the alarm operation of the vehicle security system
Make sure the system is in the armed phase.
When one of the following operations is performed, the system sounds the horns and flashes the headlamps
for about 50 seconds.
1. Any door is opened before unlocking door with key, keyfob or Intelligent Key.
2. Door is unlocked without using key, keyfob or Intelligent Key.
3. Trunk (sedan) is opened without using the key, trunk lid opener switch, keyfob or Intelligent Key (sedan).
POWER SUPPLY AND GROUND
Power is supplied at all times• through 10A fuse [No.13, located in the fuse block (J/B)]
10. Trunk lamp switch and trunk release
solenoid B127
(sedan view with trunk open) 11. Trunk key cylinder switch B142
(sedan) 12. Main power window and door lock/
unlock switch D7, D8
Power window and door lock/unlock
switch RH D105
13. Horn E18, E20
PIIA1367E
Revision: May 2010 2011 Versa