2010 NISSAN LATIO warning

BL-120
< SERVICE INFORMATION >
INTELLIGENT KEY SYSTEM
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-
115, "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 DOES NOT ILLUMINATE
NOTE:
• Before performing the diagnosis in the following table, check “Trouble Diagnosis Procedure”. Refer to BL-
115, "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-
115, "Trouble Diagnosis Procedure".
SymptomDiagnosis/service procedure Reference page
Ignition switch does not turn on with Intelligent Key.
[KEY warning lamp (g reen) illuminates]. 1. Check steering lock solenoid.
BL-147
2. Replace Intelligent Key unit.BL-158
SymptomDiagnosis/service procedure Reference page
Ignition switch does not turn on with Intelligent Key.
[KEY warning lamp (re d) illuminates]. 1. Check inside key antenna.
BL-146
2. Replace Intelligent Key unit.BL-158
SymptomDiagnosis/service procedureReference 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 cir-
cuit. BL-126
2. Check ignition knob switch.
BL-129
3. Check key switch.BL-127
4. Check "KEY" warning lamp (GREEN). BL-155
5. Replace Intelligent Key unit. BL-158
RED key warning lamp does not illuminate
[Without Intelligent Key].1. Check "KEY" warn
ing lamp (RED). BL-155
2. Replace Intelligent Key unit. BL-158
Revision: January 20102010 Versa

INTELLIGENT KEY SYSTEMBL-123
< SERVICE INFORMATION >
C
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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-
115, "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 syst ems shown in the “Diagnosis/service procedure” column
in this order.
Conditions of Vehicle (Operating Conditions)
• Ignition switch is not depressed.
• All doors are closed.
Symptom Diagnosis/service procedure Reference
page
All of the remote keyless entry functions do
not operate. 1. Check Intelligent Key unit power supply and ground circuit.
BL-126
2. Check key switch (BCM input).BL-128
3. Check Intelligent Key battery.BL-158
4. Remote Keyless Entry function inspection.BL-158
5. Replace Intelligent Key unit.BL-158
Auto lock function does not operate.1. Check “AUTO RELOCK TIMER”
setting in “WORK SUPPORT”. BL-1172. Replace Intelligent Key unit. BL-158
Key reminder function does not operate.1. Check door switch (hatchback).
BL-131
2. Check door switch (sedan).BL-133
3. Check inside key antenna.BL-146
4. Check unlock sensor.BL-140
5. Check Intelligent Key battery.BL-158
6. Replace Intelligent Key unit.BL-158
Panic alarm function does not operate.1. Check “PANIC ALARM DELAY” setting in “WORK SUPPORT”.
BL-117
2. Check Intelligent Key battery inspection.BL-158
3. Check horn function.BL-157
4. Check headlamp function.BL-157
5. Check key switch.BL-127
6. Check ignition knob switch.BL-129
7. Replace Intelligent Key unit.BL-158
SymptomDiagnosis/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-117
2. Check hazard function with hazard switch.
BL-156
3. Replace Intelligent Key unit.BL-158
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-117
2. Check Intelligent Ke
y warning buzzer(s). BL-142
3. Replace Intelligent Key unit. BL-158
Hazard reminder does not operate by Intelli-
gent Key (door lock/unlock button).
(Buzzer reminder operates properly).1. Check “HAZARD ANSWER BACK” setting in “WORK
SUPPORT”. BL-117
2. Check hazard function with hazard switch.
BL-156
3. Replace Intelligent Key.BL-158
Revision: January 20102010 Versa

BL-124
< SERVICE INFORMATION >
INTELLIGENT KEY SYSTEM
WARNING CHIME/BUZZER FUNCTION MALFUNCTION
NOTE:
• Before performing the diagnosis in the following table, check “Trouble Diagnosis Procedure”. Refer to BL-
115, "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 syst ems shown in the “Diagnosis/service procedure” column
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.
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-117
2. Check Intelligent Key warning buzzer(s).
BL-142
3. Replace Intelligent Key unit.BL-158
SymptomDiagnosis/service procedure Reference page
Symptom Diagnosis/service procedureReference page
Ignition switch warning chime does not oper-
ate. 1. Check ignition knob switch.
BL-129
2. Check door switch (hatchback).BL-131
3. Check door switch (sedan).BL-133
4. Check key switch.BL-127
5. Check Intelligent Key warning chime.BL-156
6. Replace Intelligent Key unit.BL-158
Ignition key warning chime does not operate.
(When mechanical key used).1. Check key switch (Intelligent Key unit input).
BL-127
2. Check key switch (BCM input).BL-128
3. Check door switch (hatchback).BL-131
4. Check door switch (sedan).BL-133
5. Check Intelligent Key warning chime.BL-156
6. Replace Intelligent Key unit.BL-158
OFF position warning chime (For internal)
does not operate.1. Check ignition switch position.
BL-150
2. Check ignition knob switch.BL-129
3. Check key switch.BL-127
4. Check combination meter warning chime.BL-156
5. Replace Intelligent Key unit.BL-158
OFF position warning
chime/buzzer (for ex-
ternal) does not oper-
ate.Both Intelligent Key
warning chime and
buzzer do not oper-
ate.1. Check ignition switch position.
BL-150
2. Check ignition knob switch.BL-129
3. Check key switch.BL-127
4. Check Intelligent Key warning chime.BL-156
5. Check Intelligent Key warning buzzer(s).BL-142
6. Replace Intelligent Key unit.BL-158
Intelligent Key warn-
ing buzzer does not
operate.Check Intelligent Key warning buzzer(s).
BL-142
Revision: January 20102010 Versa

INTELLIGENT KEY SYSTEMBL-125
< SERVICE INFORMATION >
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WARNING LAMP FUNCTION MALFUNCTION
NOTE:
• Before performing the diagnosis in the following table, check “Trouble Diagnosis Procedure”. Refer to BL-
115, "Trouble Diagnosis Procedure".
• If the following “symptoms” are detected, check syst ems shown in the “Diagnosis/service procedure” column
in this order.
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 (hatchback).
BL-131
2. Check door switch (sedan).BL-133
3. Check inside key antenna.BL-146
4. Check key switch.BL-127
5. Check Intelligent Key warning chime.BL-142
6. Check Intelligent Key warning buzzer(s). BL-142
7. Replace Intelligent Key unit. BL-158
Intelligent Key warn-
ing buzzer does not
operate.Check Intelligent Key warning buzzer(s).
BL-142
Take away warning chime (through window)
does not operate.1.
Check “TAKE OUT FROM WINDOW WARN” setting in
“WORK SUPPORT”. BL-117
2. Check inside key antenna.
BL-146
3. Check key switch.BL-127
4. Check Intelligent Key battery.BL-158
5. Check Intelligent Key warning chime.BL-156
6. Replace Intelligent Key unit.BL-158
Door lock operation warning buzzer does not
operate.1. Check door switch (hatchback).
BL-131
2. Check door switch (sedan).BL-133
3. Check ignition knob switch.BL-129
4. Check door request switch.BL-135
5. Check back door request switch (hatchback).BL-137
6. Check trunk opener request switch (sedan).BL-138
7. Check outside key antenna (driver side and passenger side).BL-143
8. Check outside key antenna (rear bumper).BL-144
9. Check inside key antenna.BL-146
10. Check Intelligent Key warning buzzer(s). BL-142
11. Replace Intelligent Key unit.BL-158
One warning buzzer does not operate (se-
dan).Check Intelligent Key warning buzzer(s).
BL-142
SymptomDiagnosis/service procedureReference page
SymptomDiagnosis/service procedureReference page
When Intelligent Key low battery warning operate, “KEY”
warning lamp (green) does not illuminate. 1.
Check “LOW BAT OF KEY FOB WARN” setting
in “WORK SUPPORT”.
BL-117
2. Check Intelligent Key battery.
BL-158
3. Check KEY warning lamp (green).BL-155
4. Replace Intelligent Key unit.BL-158
P position warning lamp does not illuminate properly.
(With CVT or A/T)1.
Check CVT or A/T shift selector (park position
switch). BL-153
2. Check “P-SHIFT” warning lamp (red).
BL-154
3. Replace Intelligent Key unit.BL-158
Revision: January 20102010 Versa

BL-126
< SERVICE INFORMATION >
INTELLIGENT KEY SYSTEM
CAN Communication System Inspection
INFOID:0000000005396612
1.CHECK SELF-DIAGNOSTIC RESULTS
With CONSULT-III• Connect CONSULT-III, and turn ignition switch ON.
• Touch “INTELLIGENT KEY” on “SELECT SYSTEM” screen.
• Touch “SELF-DIAG RESULTS” on “SELECT DIAG MODE” screen.
• Check display content in self-diagnostic results.
OK or NG
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 InspectionINFOID:0000000005396613
1.CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect Intelligent Key unit connector.
3. Check voltage between Intelligent Key unit harness connector and ground.
OK or NG
OK >> GO TO 2
NG >> Repair or replace Intelligent Key power supply circuit.
2.CHECK GROUND CIRCUIT
Check continuity between Intelligent Key unit harness connector and ground.
LOCK warning lamp does not illuminate properly.
(With M/T) 1. Check key interlock solenoid.
BL-1492. Check "LOCK" warning lamp.BL-155
3. Replace Intelligent Key unit.BL-158
Take 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-158
Ignition 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-158
SymptomDiagnosis/service procedureReference page
CONSULT-III display item DTC code
NO DTC IS DETECTED —
CAN COMM U1000
CAN COMM2 U1010
Te r m i n a l s
Voltage (V)(Approx.)
(+)
(–)
Intelligent Key unit
connector Te r m i n a l
M52 11Ground Battery voltage
PIIB6595E
Revision: January 20102010 Versa

BL-142
< SERVICE INFORMATION >
INTELLIGENT KEY SYSTEM
OK or NG
OK >> Replace front door lock actuator LH (door unlock sen-sor). Refer to BL-166, "
Removal and Installation".
NG >> Replace Intelligent Key unit. Refer to BL-158, "
Removal
and Installation of Intelligent Key Unit".
Intelligent Key Warning Buzzer(s) CheckINFOID:0000000005396623
1.CHECK INTELLIGENT KEY WARNING BUZZER POWER SUPPLY CIRCUIT
1. Disconnect inoperative Intelligent Key warning buzzer connector.
2. Check voltage between Intelligent Key warning buzzer connector and ground.
OK or NG
OK >> GO TO 2
NG >> Repair or replace Intelligent Key warning buzzer power supply circuit.
2.CHECK INTELLIGENT KEY WARNING BUZZER CIRCUIT
1. Disconnect Intelligent Key unit connector.
2. Check continuity between Intelligent Key unit c onnector and inoperative Intelligent Key warning buzzer
connector.
3. Check continuity between Intelligent Key unit connector and ground.
OK or NG
OK >> GO TO 3
NG >> Repair or replace harness between Intelligent Key unit and Intelligent Key warning buzzer.
3.CHECK INTELLIGENT KEY WA RNING BUZZER OPERATION
Connect battery power supply to Intelligent Key warning buzzer terminals 1 and 2, and check the operation.
Te r m i n a l s
Voltage (V)(Approx.)
(+)
(–)
Intelligent Key unit
connector Te r m i n a l
M52 28Ground 5
PIIB6638E
Te r m i n a l s
Voltage (V)(Approx.)
(+)
(–)
Intelligent Key warning buzzer
connector Te r m i n a l
Front door LH D6 1Ground Battery voltage
Trunk (sedan) B32
PIIB6622E
AB
Continuity
Intelligent
Key unit
connector Te r m i n a l
Intelligent Key warning
buzzer connector Te r m i n a l
M52 4 Front door LH D6
2Yes
Trunk (sedan) B32
A GroundContinuity
Intelligent Key unit con-
nector Terminal
M52 4 No
PIIB6623E
Revision: January 20102010 Versa

INTELLIGENT KEY SYSTEMBL-143
< SERVICE INFORMATION >
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OK or NG
OK >> Intelligent Key warning buzzer is OK.
NG >> Replace inoperative Intelligent Key warning buzzer.
Outside Key Antenna (Driver Si de and Passenger Side) CheckINFOID:0000000005396624
1.CHECK OUTSIDE KEY ANTENNA FUNCTION
With CONSULT-III
1. Check the operation with (“ANT ENNA”) in the ACTIVE TEST.
2. Touch “DRIVER ANT” and “ASSIST ANT” on screen.
3. Carry the Intelligent Key into the antenna detection area.
Do the hazard lamps flash?
Yes >> Outside key antenna (driver side or passenger side) is OK.
No >> GO TO 2
2.CHECK OUTSIDE KEY ANTENNA INPUT SIGNAL 1
1. Turn ignition switch OFF.
2. Check signal between Intelligent Key unit connector and ground with oscilloscope.
OK or NG
OK >> Outside key antenna is OK.
NG >> GO TO 3
3.CHECK OUTSIDE KEY ANTENNA CIRCUIT
1. Disconnect Intelligent Key unit and outside key antenna connector.
2. Check continuity between Intelligent Key unit connector and outside key antenna connector. 1 (BAT+) - 2 (BAT-) : the buzzer sounds
PIIB6624E
Test item
Corresponding antenna
DRIVER ANT Outside key antenna driver side
ASSIST ANT Outside key antenna pass enger side
Te r m i n a l s
Condition Signal
(Reference value.)
(+)
(–)
Intelligent Key
unit connector Te r m i -
nal
M52 Driver
side 19
Ground Door re-
quest
switch is pushed
Passen-
ger side 37
PIIB6626E
SIIA1910J
Revision: January 20102010 Versa

BL-154
< SERVICE INFORMATION >
INTELLIGENT KEY SYSTEM
2. Check continuity between Intelligent Key unit harness connector
(A) M52 terminal 10 and CVT or A/T shift selector (park position
switch) harness connector (B) M38 terminal 8.
3. Check continuity between Inte lligent Key unit harness connector
(A) M52 terminal 10 and ground.
OK or NG
OK >> GO TO 5
NG >> Repair or replace harness.
5.CHECK INTELLIGENT KEY OUTPUT SIGNAL
1. Connect Intelligent Key unit connector and CVT or A/T shift selector (park position switch) connector.
2. Check voltage between Intelligent Key unit connector M52 terminal 10 and ground.
OK or NG
OK >> CVT or A/T shift selector (park position switch) circuit is
OK.
NG >> Replace Intelligent Key unit. Refer to BL-158, "
Removal
and Installation of Intelligent Key Unit".
"P-SHIFT" Warning Lamp (With CVT or A/T) CheckINFOID:0000000005396633
1.CHECK WARNING LAMP OPERATION
With CONSULT-III
• Check “INDICATOR” in “ACTIVE TEST” mode with CONSULT-III.
• Select “KNOB ON”.
“P-SHIFT” warning lamp should illuminate.
Without CONSULT-III
1. Turn ignition switch OFF.
2. While monitoring the combination meter warning lamps, turn
ignition switch ON. "P-SHIFT" warning lamp should illuminate
for 1 second to perform a bulb check.
OK or NG
OK >> Inspection End.
NG >> Check combination meter. Refer to DI-4
.
10 – 8 : Continuity should exist.
10 – Ground : Continuity should not exist.
WIIA1261E
Connector
Te r m i n a l
ConditionVoltage (V)
(Approx.)
(+) (-)
M52 10 Ground Selector lever is in “P” position 0
Other than above
Battery voltage
WIIA1258E
WIIA1262E
Revision: January 20102010 Versa