NISSAN TIIDA 2011 Service Repair Manual

INTELLIGENT KEY SYSTEMBL-111
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Terminal and Reference Value for BCMINFOID:0000000006215772
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
2BR Combination switch
input 5
Input ONLighting, turn, wiper OFF
Wiper dial position 4
3GR Combination switch
input 4 Input ONLighting, turn, wiper OFF
Wiper dial position 4
4L Combination switch
input 3
Input ONLighting, turn, wiper OFF
Wiper dial position 4
5G Combination switch
input 2
Input ONLighting, turn, wiper OFF
Wiper dial position 4
6V Combination switch
input 1
7
7BR Front door key cylin-
der switch LH (unlock) Input
OFFON (open, 2nd turn)
Momentary 1.5V
OFF (closed) 0V
8
7Y Front door key cylin-
der switch LH (lock) InputOn (open)
Momentary 1.5V
OFF (closed) 0V
9W Rear window defogger
switch Input ONRear window defogger switch
ON
0V
Rear window defogger switch
OFF 5V
10 R Defrost A/C switch sig-
nal
Input ONA/C switch OFF
5V
A/C switch ON 0V
11 L Ignition switch (ACC
or ON) InputACC or
ON Ignition switch ACC or ON
Battery voltage
12 SB Front door switch RH Input OFF ON (open)
0V
OFF (closed) Battery voltage
13 GR Rear door switch RH Input OFF ON (open)
0V
OFF (closed) Battery voltage
SKIA5291E
SKIA5292E
SKIA5291E
SKIA5292E
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-113
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301LG Back door/trunk lid in-
put Input —Back door/trunk lid opener
switch ON (closed) Battery voltage
↓0
↓
Battery voltage
Back door/trunk lid opener
switch OFF (open) Battery voltage
30
3V Back door opener
switch
Input —All doors locked (SW OFF)
Battery voltage
All doors unlocked (SW ON) 0V
30
4V Trunk lid opener
switch
Input —All doors locked (SW OFF)
Battery voltage
All doors unlocked (SW ON) 0V
32 LG Combination switch
output 5 Output ONLighting, turn, wiper OFF
Wiper dial position 4
33 Y Combination switch
output 4 Output ON
Lighting, turn, wiper OFF
Wiper dial position 4
34 V Combination switch
output 3
Output ONLighting, turn, wiper OFF
Wiper dial position 4
35 R Combination switch
output 2
Output ONLighting, turn, wiper OFF
Wiper dial position 4
36 P Combination switch
output 1
37
1G Key switch and igni-
tion knob switch Input OFFIntelligent Key inserted
Battery voltage
Intelligent Key removed 0V
37
2G Key switch and key
lock solenoid Input OFFKey inserted
Battery voltage
Key removed 0V
38 W Ignition switch (ON) Input ON —Battery voltage
39 L CAN-H — —— —
40 P CAN-L — —— —
41
6W Trunk key cylinder
switch
Input —ON (Full unlock position)
0V
OFF (Neutral position) 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
SKIA5291E
SKIA5292E
SKIA5291E
SKIA5292E
Revision: May 2010
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BL-114
< SERVICE INFORMATION >
INTELLIGENT KEY SYSTEM
426Y Trunk lamp switch Input OFFON (trunk open)
0V
OFF (trunk closed) Battery voltage
43
5R Back door switch Input OFF ON (open) 0V
OFF (closed)
Battery voltage
44
5LG Rear wiper auto stop Input ON Rear wiper operating 0
Rear wiper stopped
Battery
45
7GR Lock switch Input OFFON (lock)
0V
OFF Battery voltage
46
7L Unlock switch Input OFFON (unlock)
0V
OFF Battery voltage
47 BR Front door switch LH Input OFF ON (open)
0V
OFF (closed) Battery voltage
48 O Rear door switch LH Input OFF ON (open)
0V
OFF (closed) Battery voltage
49 P Luggage room lamp Output OFF Any door open (ON)
0V
All doors closed (OFF) Battery voltage
50 SB A/C indicator Output ONA/C OFF
0
A/C ON Battery voltage
53
5R Back door lock assem-
bly (actuator)
Output OFF Back door (open)
Battery voltage
53
6R Trunk lamp switch and
trunk release solenoid Output OFF Trunk lid (open)
Battery voltage
55
5V Rear wiper motor out-
put
Output ONOFF
0
ON Battery voltage
56 R Battery saver output Output OFF
15 minutes after ignition
switch is turned OFF 0V
ON — Battery voltage
57 LG Battery power supply Input OFF —Battery voltage
59
7G Front door lock actua-
tor LH (unlock)
Output OFFOFF (neutral)
0V
ON (unlock) Battery voltage
60 V Turn signal (left) Output ON Turn left ON
61 W Turn signal (right) Output ON Turn right ON
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
SKIA3009J
SKIA3009J
Revision: May 2010
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INTELLIGENT KEY SYSTEMBL-115
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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
Trouble Diagnosis ProcedureINFOID:0000000005929337
PRELIMINARY CHECK
1.GET SYMPTOMS
Listen to customer c oncerns. (Get symptoms)
NOTE:
If customer reports a “No start” condition, request all Intelligent Keys to be brought to the dealer in case of
Intelligent Key system malfunction.
Intelligent Key or mechanical key service request>>For further information, refer to CONSULT-III operation
manual.
Malfunctions>>GO TO 2
2.CHECK BCM CONFIGURATION
Confirm BCM configuration for "I- KEY" is set to "WITH". Refer to BCS-19, "
Configuration".
OK or NG
OK >> GO TO 3
NG >> Change BCM configuration for "I-KEY" to "WITH". Refer to BCS-19, "
Configuration".
3.START ENGINE WITH INTELLIGENT KEY
Check if the engine could be started by all registered Intelligent Keys.
63 BR Interior room lamp Output OFF Any door
switchON (open)
0V
OFF (closed) Battery voltage
65
7SB All door lock actuators
(lock) Output OFFOFF (neutral)
0V
ON (lock) Battery voltage
66
7G Front 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
8L Power 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
8P Battery power supply OutputOFF
— Battery voltage
70 Y Battery power supply Input OFF —Battery voltage
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
Revision: May 2010
2011 Versa

BL-116
< SERVICE INFORMATION >
INTELLIGENT KEY SYSTEM
The engine cannot be started by some Intelligent Keys>>Intelligent Key is low battery or malfunction. Refer
to BL-158, "
Intelligent Key Battery Replacement".
The engine cannot be started by all Intelligent Keys >> GO TO 4
The engine can be started by all Intelligent Keys >> GO TO 5
4.CHECK “KEY” WARNING LAMP ILLUMINATION
When pushing the ignition switch, check if “KEY” warning lamp in combination meter illuminates.
KEY warning lamp illuminates green >> Refer to BL-119, "
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".
5.START ENGINE WITH MECHANICAL KEY
Check if the engine could be started by all registered mechanical keys.
No start by some mechanical keys >> Register mechanical key. Refer to CONSULT-III operation manual.
Engine starts by mechanical or Intelligent Key >> Refer to BL-119, "
Trouble Diagnosis Symptom Chart".
No start by mechanical key or Intelligent Key >> Refer to NATS BL-255, "
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
6.PERFORM SELF-DIAGNOSIS
1. Turn ignition switch to ON by carrying the Intelligent Key.
2. Perform self-diagnosis of Intel ligent Key system with CONSULT-III.
DTC is displayed >> Refer to BL-117, "
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".
1.CHECK FUNCTION OF INTELLIGENT KEY SYSTEM
Check if the function related to Intelligent Key system operates normally.
All functions of Intelligent Key system do not operate >> Refer to BL-119, "
Trouble Diagnosis Symptom
Chart".
Specific function of Intelligent Ke y system does not operate >> GO TO 2
2.CHECK POWER DOOR LOCK OPERATION
Check if door lock/unlock function operates with door lock and unlock switch.
OK or NG
OK >> GO TO 3
NG >> Refer to BL-22
.
3.CHECK DOOR REQUEST SWITCH OPERATION
Check if door lock/unlock function operates with request switch.
OK or NG
OK >> GO TO 4
NG >> Refer to BL-119, "
Trouble Diagnosis Symptom Chart".
4.CHECK REMOTE K EYLESS FUNCTION
Check if the following function responds with Intelligent Key button.
• Door lock/unlock function
• Panic alarm function
OK or NG
OK >> GO TO 5
NG >> Refer to BL-119, "
Trouble Diagnosis Symptom Chart".
Revision: May 2010 2011 Versa

INTELLIGENT KEY SYSTEMBL-117
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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

BL-118
< SERVICE INFORMATION >
INTELLIGENT KEY SYSTEM
*: Select “SELECTION FROM MENU”.
ACTIVE TEST
* : Sedan
WORK SUPPORT
BD/TR REQ SWIndicates [ON/OFF] condition of back door request switch.
IGN SW Indicates [ON/OFF] condition of ignition switch in ON position.
ACC SW Indicates [ON/OFF] condition of ignition switch in ACC position.
STOP LAMP SW Indicates [ON/OFF] condition of stop lamp switch.
P RANGE SW Indicates [ON/OFF] condition of shift lever park position.
BD OPEN SW Indicates [ON/OFF] condition of back door open switch.
DOOR LOCK SIG* Indicates [ON/OFF] condition of door lock signal from Intelligent Key button.
DOOR UNLOCK SIG* Indicates [ON/OFF] condition of door unlock signal from Intelligent Key button
KEYLESS PANIC* Indicates [ON/OFF] condition of panic signal from Intelligent Key button
DOOR SW DR* Indicates [OPEN/CLOSE] condition of front door sw
itch driver side from BCM via CAN communica-
tion line.
DOOR SW AS* Indicates [OPEN/CLOSE] condition of front door switch passenger side from BCM via CAN commu-
nication line.
DOOR SW RR* Indicates [OPEN/CLOSE] condition of rear door switch RH from BCM via CAN communication line.
DOOR SW RL* Indicates [OPEN/CLOSE] condition of rear door switch LH from BCM via CAN communication line.
VEHICLE SPEED* Indicates [km/h] condition of vehicle speed.
Monitor item
Content
Te s t i t e mD e s c r i p t i o n
DOOR LOCK/UNLOCK This test is able to check door lock/unlock operation.
• The all door lock actuators are unlocked when “ALL UNLK” on CONSULT-III screen is touched.
• The all door lock actuators are locked when “LOCK” on CONSULT-III screen is touched.
ANTENNA This 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-
III screen is touched.
• Inside key antenna (instrument panel and rear floor) detects Intelligent Key, when “ROOM
ANT2” on CONSULT-III screen is touched.
• Outside key antenna (driver side) detects Intelligent Key, when “DR ANT” on CONSULT-III screen is touched.
• Outside key antenna (passenger side) detects Intelligent Key, when “AS ANT” on CONSULT-III screen is touched.
• Outside key antenna (rear bumper) detects Intelligent Key, when “BK DR ANT” on CONSULT- III screen is touched.
OUTSIDE BUZZER This test is able to check Intelligent Key warning buzzer operation.
Intelligent Key warning buzzer sounds when “ON” on CONSULT-III screen is touched.
INSIDE BUZZER This test is able to check Intelligent Key warning chime (Instrument panel) operation.
• Take away warning chime sounds when “TAKE OUT” on CONSULT-III screen is touched.
• Ignition switch warning chime sounds when “KNOB” on CONSULT-III screen is touched.
• Ignition key warning chime sounds when “KEY” on CONSULT-III screen is touched.
INDICATOR This test is able to check warning lamp operation.
• “KEY” Warning lamp (Green) illuminates when “BLUE ON” on CONSULT-III screen is touched.
• “KEY” Warning lamp (Red) illuminates when
“RED ON” on CONSULT-III screen is touched.
• “LOCK” Warning lamp illuminates when “KNOB ON” on CONSULT-III screen is touched.
• “KEY” Warning lamp (Green) flashes when “BLUE IND” on CONSULT-III screen is touched.
• “KEY” Warning lamp (RED) flashes when “RED IND” on CONSULT-III screen is touched.
• “P-SHIFT” Warning lamp flashes when “KNOB IND” on CONSULT-III screen is touched.
Revision: May 2010 2011 Versa

INTELLIGENT KEY SYSTEMBL-119
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Trouble Diagnosis Symptom ChartINFOID:0000000005929340
KEY WARNING LAMP (GREEN) ILLUMINATES
NOTE:
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
WARN Take 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 CONSULT-
III screen is touched.
LOW BAT OF KEY FOB WARN Intelligent 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-III
screen is touched.
ANSWER BACK FUNCTION Buzzer 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-III screen is touched.
SELECTIVE UNLOCK FUNC-
TION Selective 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-III screen is
touched.
ANTI KEY LOCK IN FUNCTION Key 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-III screen is touched.
HORN WITH KEYLESS LOCK Horn 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-III screen is touched.
HAZARD ANSWER BACK Hazard reminder function mode can be selected from the following with this mode. The operation
mode will be changed when “CHANGE SE
TT” on CONSULT-III 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
LOCK Buzzer 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- III screen is touched.
• BUZZER: Sound buzzer
• OFF: Non-operation
ANSWER BACK WITH I-KEY UN-
LOCK Buzzer reminder function (unlock operation) mode by door request switch can be changed to op-
erate (ON) or not operate (OFF) with this mode.
AUTO RELOCK TIMER Auto door lock timer mode can select the following with this mode.
• 1 minute
• OFF: Non-operation
PANIC ALARM DELAY Panic 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-III screen is touched.
• 0.5 second
• 1.5 second
• OFF: Non-operation
P/W DOWN DELAY Unlock 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-III screen is touched.
• 3 seconds
• 5 seconds
• OFF: Non-operation
ENGINE START BY I-KEY Engine 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-III screen is touched.
LOCK/UNLOCK BY I-KEY Door 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- III screen is touched.
Revision: May 2010 2011 Versa

BL-120
< SERVICE INFORMATION >
INTELLIGENT KEY SYSTEM
• 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 (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.
Symptom Diagnosis/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
Revision: May 2010 2011 Versa