NISSAN LATIO 2007 Service Repair Manual

BL-112
INTELLIGENT KEY SYSTEM
Revision: June 20062007 Versa
ACTIVE TEST
Test item Description
DOOR LOCK/UNLOCKThis test is able to check door lock/unlock operation.

The all door lock actuators are unlocked when “ALL UNLK” on CONSULT-II screen is touched.

The all door lock actuators are locked when “LOCK” on CONSULT-II screen is touched.
ANTENNAThis test is able to check Intelligent Key antenna operation.
When the following conditions are met, hazard warning lamps flash.

Inside key antenna (front console) detects Intelligent Key, when “ROOM ANT1” on CONSULT-
II screen is touched.

Inside key antenna (instrument panel and rear floor) detects Intelligent Key, when “ROOM
ANT2” on CONSULT-II screen is touched.

Outside key antenna (driver side) detects Intelligent Key, when “DRIVER ANT” on CONSULT-II
screen is touched.

Outside key antenna (passenger side) detects Intelligent Key, when “ASSIST ANT” on CON-
SULT-II screen is touched.

Outside key antenna (rear bumper) detects Intelligent Key, when “BK DOOR ANT” on CON-
SULT-II screen is touched.
OUTSIDE BUZZER
(DRIVER DOOR)This test is able to check Intelligent Key warning buzzer operation.
Intelligent Key warning buzzer sounds when “ON” on CONSULT-II screen is touched.
INSIDE BUZZER
(CHIME)This test is able to check Intelligent Key warning chime (Instrument panel) operation.

Take away warning chime sounds when “TAKE OUT” on CONSULT-II screen is touched.

Ignition switch warning chime sounds when “KNOB” on CONSULT-II screen is touched.

Ignition key warning chime sounds when “KEY” on CONSULT-II screen is touched.
INDICATORThis test is able to check warning lamp operation.

“KEY” Warning lamp (Green) illuminates when “BLUE ON” on CONSULT-II screen is touched.

“KEY” Warning lamp (Red) illuminates when “RED ON” on CONSULT-II screen is touched.

“LOCK” Warning lamp illuminates when “KNOB ON” on CONSULT-II screen is touched.

“KEY” Warning lamp (Green) flashes when “BLUE IND” on CONSULT-II screen is touched.

“KEY” Warning lamp (RED) flashes when “BLUE IND” on CONSULT-II screen is touched.

“P-SHIFT” Warning lamp flashes when “KNOB ON” on CONSULT-II screen is touched.

INTELLIGENT KEY SYSTEM
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Revision: June 20062007 Versa
WORK SUPPORT
Monitor item Description
CONFIRM KEY FOB ID It can be checked whether Intelligent Key ID code is registered or not in this mode.
TAKE OUT FROM WINDOW
WAR NTake away warning chime (from window) mode can be changed to operate (ON) or not operate
(OFF) with this mode. The operation mode will be changed when “CHANGE SETT” on CON-
SULT-II screen is touched.
LOW BAT OF KEY FOB WARNIntelligent Key low battery warning mode can be changed to operate (ON) or not operate (OFF)
with this mode. The operation mode will be changed when “CHANGE SETT” on CONSULT-II
screen is touched.
ANSWER BACK FUNCTIONBuzzer reminder function mode by Intelligent button can be changed to operate (ON) or not oper-
ate (OFF) with this mode. The operation mode will be changed when “CHANGE SETT” on CON-
SULT-II screen is touched.
SELECTIVE UNLOCK FUNC-
TIONSelective unlock function mode can be changed to operate (ON) or not operate (OFF) with this
mode. The operation mode will be changed when “CHANGE SETT” on CONSULT-II screen is
touched.
ANTI KEY LOCK IN FUNCTIONKey reminder function mode can be changed to operate (ON) or not operate (OFF) with this
mode. The operation mode will be changed when “CHANGE SETT” on CONSULT-II screen is
touched.
HORN WITH KEYLESS LOCKHorn reminder function mode by Intelligent Key remote control button can be changed to operate
(ON) or not operate (OFF) with this mode. The operation mode will be changed when “CHANGE
SETT” on CONSULT-II screen is touched.
HAZARD ANSWER BACKHazard reminder function mode can be selected from the following with this mode. The operation
mode will be changed when “CHANGE SETT” on CONSULT-II screen is touched.

LOCK ONLY: Door lock operation only

UNLOCK ONLY: Door unlock operation only

LOCK/UNLOCK: Lock/Unlock operation

OFF: Non-operation
ANSWER BACK WITH I-KEY
LOCKBuzzer reminder function (lock operation) mode by door request switch (driver side, passenger
side and back door side) can be selected from the following with this mode. The operation mode
will be changed when “CHANGE SETT” on CONSULT-II screen is touched.

BUZZER: Sound buzzer

OFF: Non-operation
ANSWER BACK WITH I-KEY
UNLOCKBuzzer reminder function (unlock operation) mode by door request switch can be changed to
operate (ON) or not operate (OFF) with this mode.
AUTO RELOCK TIMERAuto door lock timer mode can select the following with this mode.

0.5 minute

OFF: Non-operation
PANIC ALARM DELAYPanic alarm button's pressing time on Intelligent Key remote control button can be selected from
the following with this mode. The operation mode will be changed when “CHANGE SETT” on
CONSULT-II screen is touched.

0.5 second

1.5 second

OFF: Non-operation
P/W DOWN DELAYUnlock button's pressing time on Intelligent Key remote control button can be selected from the
following with this mode. The operation mode will be changed when “CHANGE SETT” on CON-
SULT-II screen is touched.

3 seconds

5 seconds

OFF: Non-operation
ENGINE START BY I-KEYEngine start function mode can be changed to operate (ON) or not operate (OFF) with this mode.
The operation mode will be changed when “CHANGE SETT” on CONSULT-II screen is touched.
LOCK/UNLOCK BY I-KEYDoor lock/unlock function by door request switch (driver side, passenger side and back door side)
mode can be changed to operate (ON) or not operate (OFF) with this mode. The operation mode
will be changed when “CHANGE SETT” on CONSULT-II screen is touched.

BL-114
INTELLIGENT KEY SYSTEM
Revision: June 20062007 Versa
Trouble Diagnosis Symptom ChartEIS00928
KEY WARNING LAMP (GREEN) ILLUMINATES
NOTE:

Before performing the diagnosis in the following table, check “Trouble Diagnosis Procedure”. Refer to BL-
109, "Trouble Diagnosis Procedure" .

Make sure that vehicle is under the condition shown in “Conditions of vehicle” before starting diagnosis,
and check each symptom.

If the following “symptoms” are detected, check systems shown in the “Diagnoses/service procedure” col-
umn in this order.
Conditions of Vehicle (Operating Conditions)

Intelligent Key is registered.

Key is not inserted in ignition switch.

One or more registered Intelligent Keys are in the vehicle.
KEY WARNING LAMP (RED) ILLUMINATES
NOTE:

Before performing the diagnosis in the following table, check “Trouble Diagnosis Procedure”. Refer to BL-
109, "Trouble Diagnosis Procedure" .

Make sure that vehicle is under the condition shown in “Conditions of vehicle” before starting diagnosis,
and check each symptom.

If the following “symptoms” are detected, check systems shown in the “Diagnoses/service procedure” col-
umn in this order.
Conditions of Vehicle (Operating Conditions)

Intelligent Key is registered.

Key is not inserted in ignition switch.

One or more registered Intelligent Keys are in the vehicle.
Symptom Diagnosis/service procedure Reference page
Ignition switch does not turn on with Intelligent Key.
[KEY warning lamp (green) illuminates].1. Check steering lock solenoid.BL-144
2. Replace Intelligent Key unit.BL-160
Symptom Diagnosis/service procedure Reference page
Ignition switch does not turn on with Intelligent
Key. [KEY warning lamp (red) illuminates].1. Check inside key antenna.BL-143
2. Replace Intelligent Key unit.BL-160

INTELLIGENT KEY SYSTEM
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Revision: June 20062007 Versa
KEY WARNING LAMP DOES NOT ILLUMINATE
NOTE:

Before performing the diagnosis in the following table, check “Trouble Diagnosis Procedure”. Refer to BL-
109, "Trouble Diagnosis Procedure" .

Make sure that vehicle is under the condition shown in “Conditions of vehicle” before starting diagnosis,
and check each symptom.

If the following “symptoms” are detected, check systems shown in the “Diagnoses/service procedure” col-
umn in this order.

Check if ignition switch turns using mechanical key. If it turns, check if “ENGINE START BY I-KEY” in
“WORK SUPPORT” mode is ON.
Conditions of Vehicle (Operating Conditions)

Intelligent Key is registered.

Mechanical key is out of ignition switch.

One or more registered Intelligent Keys are in the vehicle.
NON DTC ITEM
NOTE:

Before performing the diagnosis in the following table, check “Trouble Diagnosis Procedure”. Refer to BL-
109, "Trouble Diagnosis Procedure" .

Make sure that vehicle is under the condition shown in “Conditions of vehicle” before starting diagnosis,
and check each symptom.

If the following “symptoms” are detected, check systems shown in the “Diagnoses/service procedure” col-
umn in this order.
Conditions of Vehicle (Operating Conditions)

Intelligent Key is registered.

Multiple mechanical keys are not set in a keyfob.
(If mechanical keys are near the ignition switch, the operation may not work properly.)
Symptom Diagnosis/service procedure Reference page
Ignition switch does not turn on with Intelligent Key.
[GREEN key warning lamp does not illuminate].1.Check Intelligent Key unit power supply and ground
circuit.BL-123
2. Check ignition knob switch.BL-127
3. Check key switch.BL-124
4. Check "KEY" warning lamp (GREEN).BL-156
5. Replace Intelligent Key unit.BL-160
RED key warning lamp does not illuminate
[Without Intelligent Key].1. Check "KEY" warning lamp (RED).BL-155
2. Replace Intelligent Key unit.BL-160
Symptom Diagnosis/service procedure Reference page
Non DTC Item1. Check key switch.BL-124
2. Check NATS antenna amp.BL-212

BL-116
INTELLIGENT KEY SYSTEM
Revision: June 20062007 Versa
ENGINE START CONDITION CHECK
NOTE:

Before performing the diagnosis in the following table, check “Trouble Diagnosis Procedure”. Refer to BL-
109, "Trouble Diagnosis Procedure" .

If the following “symptoms” are detected, check systems shown in the ”Diagnoses/service procedure” col-
umn in this order.
ALL FUNCTIONS OF INTELLIGENT KEY SYSTEM DO NOT OPERATE
NOTE:

Before performing the diagnosis in the following table, check “Trouble Diagnosis Procedure”. Refer to BL-
109, "Trouble Diagnosis Procedure" .

Make sure that vehicle is under the condition shown in “Conditions of vehicle” before starting diagnosis,
and check each symptom.

If the following “symptoms” are detected, check systems shown in the “Diagnosis/service procedure” col-
umn in this order.
Conditions of Vehicle (Operating Conditions)

“ENGINE START BY I-KEY” and “LOCK/UNLOCK BY I-KEY” are ON when setting on CONSULT-II.

Mechanical key is out of ignition switch.

Ignition switch is not depressed.

All doors are closed.

Intelligent key is registered.
DOOR LOCK/UNLOCK FUNCTION MALFUNCTION
NOTE:

Before performing the diagnosis in the following table, check “Trouble Diagnosis Procedure”. Refer to BL-
109, "Trouble Diagnosis Procedure" .

Make sure that vehicle is under the condition shown in “Conditions of vehicle” before starting diagnosis,
and check each symptom.

If the following “symptoms” are detected, check systems shown in the “Diagnosis/procedure” column in
this order.
Conditions of Vehicle (Operating Conditions)

“LOCK/UNLOCK BY I-KEY” is ON when setting on CONSULT-II.

Mechanical key is out of ignition switch.

Ignition switch is not depressed.

All doors are closed.

Intelligent Key is registered.
Symptom Diagnosis/service procedure Reference page
Engine start condition check1.Check CVT device (park position switch).
(With CVT)BL-151
2. Check key interlock solenoid (with M/T).BL-147
3. Check stop lamp switch (With CVT).BL-148
4. Check stop lamp switch (with M/T).BL-149
Symptom Diagnosis/service procedure Reference page
All function of Intelligent Key system dose not
operate.1.Check Intelligent Key unit power supply and ground
circuit.BL-123
2. Check Intelligent Key battery inspection.BL-159
3. Replace Intelligent Key unit.BL-160

INTELLIGENT KEY SYSTEM
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Symptom Diagnosis/service procedure Reference page
Door lock/unlock do not operate by all request
switch.1. Check door switch.BL-129
2. Check key switch.BL-124
3. Check ignition knob switch.BL-127
4. Replace Intelligent Key unit.BL-160
Door lock/unlock does not operate by request
switch (driver side).1. Check door request switch (driver side).BL-1322. Check outside key antenna (driver side).BL-139
3. Replace Intelligent Key unit.BL-160
Door lock/unlock does not operate by request
switch (passenger side).1. Check door request switch (passenger side).BL-1322. Check outside key antenna (passenger side).BL-139
3. Replace Intelligent Key unit.BL-160
Door lock/unlock does not operate by back door
request switch.1. Check back door request switch.BL-1342. Check outside key antenna (rear bumper).BL-141
3. Replace Intelligent Key unit.BL-160
Auto lock function does not operate.1.Check “AUTO RELOCK TIMER” setting in “WORK
SUPPORT”.BL-113
2. Replace Intelligent Key unit.BL-160
Key reminder function does not operate.1. Check door switch.BL-129
2. Check inside key antenna.BL-143
3. Check unlock sensor.BL-136
4. Check Intelligent Key battery.BL-159
5. Replace Intelligent Key unit.BL-160

BL-118
INTELLIGENT KEY SYSTEM
Revision: June 20062007 Versa
REMOTE KEYLESS ENTRY FUNCTION MALFUNCTION
NOTE:

Before performing the diagnosis in the following table, check “Trouble Diagnosis Procedure”. Refer to BL-
109, "Trouble Diagnosis Procedure" .

Make sure that vehicle is under the condition shown in “Conditions of vehicle” before starting diagnosis,
and check each symptom.

If the following “symptoms” are detected, check systems shown in the “Diagnosis/service procedure” col-
umn in this order.
Conditions of Vehicle (Operating Conditions)

Ignition switch is not depressed.

All doors are closed.
Symptom Diagnosis/service procedureReference
page
All of the remote keyless entry functions
do not operate.1. Check Intelligent Key unit power supply and ground circuit.BL-123
2. Check key switch (BCM input).BL-126
3. Check Intelligent Key battery.BL-159
4. Remote Keyless Entry function inspection.BL-159
5. Replace Intelligent Key unit.BL-160
Auto lock function does not operate.1. Check “AUTO RELOCK TIMER” setting in “WORK SUPPORT”.BL-1132. Replace Intelligent Key unit.BL-160
Key reminder function does not operate.1. Check door switch.BL-129
2. Check inside key antenna.BL-143
3. Check unlock sensor.BL-136
4. Check Intelligent Key battery.BL-159
5. Replace Intelligent Key unit.BL-160
Panic alarm function does not operate.1. Check “PANIC ALARM DELAY” setting in “WORK SUPPORT”.BL-113
2. Check Intelligent Key battery inspection.BL-159
3. Check horn function.BL-157
4. Check headlamp function.BL-158
5. Check key switch.BL-124
6. Check ignition knob switch.BL-127
7. Replace Intelligent Key unit.BL-160

INTELLIGENT KEY SYSTEM
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HAZARD AND BUZZER REMINDER FUNCTION MALFUNCTION
NOTE:

Before performing the diagnosis in the following table, check “Trouble Diagnosis Procedure”. Refer to BL-
109, "Trouble Diagnosis Procedure" .

Make sure that vehicle is under the condition shown in “Conditions of vehicle” before starting diagnosis,
and check each symptom.

If the following “symptoms” are detected, check systems shown in the “Diagnosis/service procedure” col-
umn in this order.
Conditions of Vehicle (Operating Conditions)

Ignition switch is not depressed.

All doors are closed.
Symptom Diagnosis/service procedure Reference page
Hazard reminder does not operate by request
switch.
(Buzzer reminder operate).1.Check “HAZARD ANSWER BACK” setting in “WORK
SUPPORT”.BL-113
2. Check hazard function with hazard switch.BL-157
3. Replace Intelligent Key unit.BL-160
Buzzer reminder does
not operate by request
switch.
(Hazard reminder oper-
ates).Intelligent Key
warning buzzer
does not operate.1.Check “ANSER BACK WITH I-KEY LOCK” or “ANSER
BACK WITH I-KEY UNLOCK” setting in “WORK SUP-
PORT”.BL-113
2. Check Intelligent Key warning buzzer.BL-138
3. Replace Intelligent Key unit.BL-160
Hazard reminder does not operate by Intelli-
gent Key (door lock/unlock button).
(Buzzer reminder operate properly).1.Check “HAZARD ANSWER BACK” setting in “WORK
SUPPORT”.BL-113
2. Check hazard function with hazard switch.BL-157
3. Replace Intelligent Key.BL-160
Buzzer reminder does
not operate by Intelligent
Key (door lock/unlock
button).
(Hazard reminder oper-
ates).Intelligent Key
warning buzzer
does not operate.1.Check “HORN WITH KEYLESS LOCK” setting in “WORK
SUPPORT”.BL-113
2. Check Intelligent Key warning buzzer.BL-138
3. Replace Intelligent Key unit.BL-160

BL-120
INTELLIGENT KEY SYSTEM
Revision: June 20062007 Versa
WARNING CHIME/BUZZER FUNCTION MALFUNCTION
NOTE:

Before performing the diagnosis in the following table, check “Trouble Diagnosis Procedure”. Refer to BL-
109, "Trouble Diagnosis Procedure" .

Make sure that vehicle is under the condition shown in “Conditions of vehicle” before starting diagnosis,
and check each symptom.

If the following “symptoms” are detected, check systems shown in the “Diagnosis/service procedure” col-
umn in this order.
Conditions of Vehicle (Operating Conditions)
Warning chime/buzzer functions operating condition is extremely complicated, during operating confirmations,
reconfirm the list above twice in order to ensure proper operation.
Symptom Diagnosis/service procedure Reference page
Ignition switch warning chime does not oper-
ate.1. Check ignition knob switch.BL-127
2. Check door switch.BL-129
3. Check key switch.BL-124
4. Check Intelligent Key warning chime.BL-156
5. Replace Intelligent Key unit.BL-160
Ignition key warning chime does not operate.
(When mechanical key used).1. Check key switch (Intelligent Key unit input).BL-124
2. Check key switch (BCM input).BL-126
3. Check door switch.BL-129
4. Check Intelligent Key warning chime.BL-156
5. Replace Intelligent Key unit.BL-160
OFF position warning chime (For internal)
does not operate.1. Check ignition switch position.BL-148
2. Check ignition knob switch.BL-127
3. Check key switch.BL-124
4. Check combination meter warning chime.BL-156
5. Replace Intelligent Key unit.BL-160
OFF position warning
chime/buzzer (for
external) does not
operate.Both Intelligent Key
warning chime and
buzzer do not oper-
ate.1. Check ignition switch position.BL-148
2. Check ignition knob switch.BL-127
3. Check key switch.BL-124
4. Check Intelligent Key warning chime.BL-156
5. Check Intelligent Key warning buzzer.BL-138
6. Replace Intelligent Key unit.BL-160
Intelligent Key
warning buzzer
does not operate.Check Intelligent Key warning buzzer.BL-138
Take away warning
chime/buzzer (door
open to close) does
not operate.Both Intelligent Key
warning chime and
buzzer do not oper-
ate.1. Check door switch.BL-129
2. Check inside key antenna.BL-143
3. Check key switch.BL-124
4. Check Intelligent Key warning chime.BL-138
5. Check Intelligent Key warning buzzer.BL-138
6. Replace Intelligent Key unit.BL-160
Intelligent Key
warning buzzer
does not operate.Check Intelligent Key warning buzzer.BL-138

INTELLIGENT KEY SYSTEM
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Take away warning chime (through window)
does not operate.1.Check “TAKE OUT FROM WINDOW WARN” setting in
“WORK SUPPORT”.BL-113
2. Check inside key antenna.BL-143
3. Check key switch.BL-124
4. Check Intelligent Key battery.BL-159
5. Check Intelligent Key warning chime.BL-156
6. Replace Intelligent Key unit.BL-160
Door lock operation warning buzzer does not
operate.1. Check door switch.BL-129
3. Check ignition knob switch.BL-127
4. Check door request switch.BL-132
5. Check back door request switch.BL-134
6. Check outside key antenna (driver side and passenger side).BL-139
7. Check outside key antenna (rear bumper).BL-141
8. Check inside key antenna.BL-143
9. Check Intelligent Key warning buzzer.BL-138
10 Replace Intelligent Key unit.BL-160
Symptom Diagnosis/service procedure Reference page