check engine NISSAN LATIO 2011 Service Repair Manual

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

INTELLIGENT KEY SYSTEMBL-121
< SERVICE INFORMATION >
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NON-DTC ITEM
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 “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.)
ENGINE START CONDITION CHECK
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 ”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-
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)
• “ENGINE START BY I-KEY” and “LOCK/UNLOCK BY I-KEY” are ON when setting on CONSULT-III.
• Mechanical key is out of ignition switch.
• Ignition switch is not depressed.
• All doors are closed.
• Intelligent key is registered.
RED key warning lamp does not illuminate
[Without Intelligent Key]. 1. Check "KEY" warning lamp (RED).
BL-155
2. Replace Intelligent Key unit.BL-158
SymptomDiagnosis/service procedureReference page
SymptomDiagnosis/service procedure Reference page
Non DTC Item 1. Check key switch.
BL-127
2. Check NATS antenna amp.BL-246
SymptomDiagnosis/service procedure Reference page
Engine start condition check 1. Check CVT or A/T shift selector (park position switch).
(with CVT or A/T) BL-153
2. Check key interlock solenoid (with M/T).
BL-149
3. Check stop lamp switch (with CVT or A/T).BL-150
4. Check stop lamp switch (with M/T).BL-152
Revision: May 2010 2011 Versa

NATS (NISSAN ANTI-THEFT SYSTEM)BL-255
< SERVICE INFORMATION >
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Trouble Diagnosis ProcedureINFOID:0000000005929438
PRELIMINARY CHECK
1.GET SYMPTOMS
Listen to customer complain ts request. (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>> Fo r further information, refer to CONSULT-III operation
manual.
Malfunctions>>GO TO 2
2.START ENGINE WITH INTELLIGENT KEY (IF EQUIPPED)
Check if the engine could be started by all registered Intelligent Keys.
The engine cannot be started by some Intelligent Keys>>Int elligent 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 3
The engine can be started by all Intelligent Keys >> GO TO 4
3.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 >> Refer to BL-119, "
Trouble Diagnosis Symptom Chart" .
4.START ENGINE WITH MECHANICAL KEY
Check if the engine could be started by all registered mechanical keys.
Detected items
[NATS program card screen terms] P No. Code
(Self-diagnostic result of “EN-
GINE”) Malfunction is detected when.....
Reference
page
CHAIN OF ECM-IMMU
[P1612] NATS MAL-
FUNCTION
P1612Communication impossible between ECM and BCM
In rare case, “CHAIN OF ECM-IMMU” might be stored
during key registration procedure, even if the system is not
malfunctioning.
BL-258
DIFFERENCE OF KEY
[P1615]NATS MAL-
FUNCTION
P1615BCM can receive the key ID signal but the result of ID ver-
ification between key ID and BCM is NG.
BL-264
CHAIN OF IMMU-KEY
[P1614]NATS MAL-
FUNCTION
P1614
BCM cannot receive the key ID signal.
BL-260
ID DISCORD, IMM-ECM
[P1611]NATS MAL-
FUNCTION
P1611The result of ID verification between BCM and ECM is NG.
System initialization is required.
BL-261
LOCK MODE
[P1610]NATS MAL-
FUNCTION
P1610When the starting operation is carried out five or more
times consecutively under the following conditions, NATS
will shift the mode to one which prevents the engine from
being started.
• Unregistered mechanical key is used.
• BCM or ECM’s malfunctioning.
BL-263
DON'T ERASE BEFORE CHECK-
ING ENG DIAG
—All engine trouble codes except NATS trouble code has
been detected in ECM.
BL-255
Revision: May 2010
2011 Versa

BL-256
< SERVICE INFORMATION >
NATS (NISSAN ANTI-THEFT SYSTEM)
The engine can not be started by some mechanical keys >> Register mechanical key. Refer to CONSULT-III
operation manual.
The engine cannot be started by all mechanical keys >> "WORK FLOW" .
The engine can be started by all mechanical keys >> GO TO 5
5.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.
Malfunction is detected >> Refer to BL-117, "
CONSULT-III Application Item" .
No malfunction is detected >> Refer to BL-115, "
Trouble Diagnosis Procedure" .
WORK FLOW
1.STARTING ENGINE
Check if the engine could be started by inserting the mechanical key into the ignition key cylinder and operate
ignition switch.
OK >> System is normal.
NG >> GO TO 2
2.PERFORM SELF DIAGNOSIS
Perform NATS SELF-DIAGNOSIS using CONSULT-III.
NOTE:
NATS program card is necessary to display the “SELF-DIAGNOSIS”.
No malfunction is detected >> Recheck the starting engine section GO TO 1
Malfunction related to NATS is detected >> GO TO 3
Malfunctions related to “DON’T ERASE BEFORE CHECKING ENG DIAG” and NATS are detected >> GO
TO 7
3.IDENTIFYING NATS MALFUNCTION
Self-diagnosis results referring to NATS, but no information about engine self-diagnosis result is displayed on
CONSULT-III. Refer to BL-257, "
Trouble Diagnosis" .
>> GO TO 4
4.NATS TROUBLE DIAGNOSIS
Repair NATS (if necessary, perform “C/U INITIALIZATION” with CONSULT-III.)
>> GO TO 5
5.ERASE SELF-DIAGNOSIS
Erase the record of “SELF-DIAG NOSIS” by using CONSULT-III.
>> GO TO 6
6.STARTING ENGINE
Check if the engine could be started by inserting the mechanical key into the ignition key cylinder and operate
ignition switch.
NG >> GO TO 2
OK >> Inspection End.
7.IDENTIFYING NATS AND ENGINE CONTROL MALFUNCTION
NATS malfunction and “DON’T ERASE BEFORE CHECKIN G ENG DIAG” are displayed on the CONSULT-III
screen.
NOTE:
Revision: May 2010 2011 Versa

NATS (NISSAN ANTI-THEFT SYSTEM)BL-257
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This indication means that malfunction have been detected in NATS and engine control system.
>> GO TO 8
8.NATS TROUBLE DIAGNOSIS
Repair NATS according to self-diagnosis results refer to NATS (if necessary, perform “C/U INITIALZATIN” with
CONSULT-III.)
NOTE:
Do not erase “SELF-DIAGNOSI S” by using CONSULT-III.
>> GO TO 9
9.IDENTIFYING ENGINE CONTROL MALFUNCTION
Check engine “SELF-DIAGNOSIS” records with a general ized program card instead of the NATS program
card.
>> GO TO 10
10.ENGINE CONTROL SYSTEM TROUBLE DIAGNOSIS
Repair engine control system if engine related malfunction is detected.
With engine diagnostic codes present, refer to EC-478, "
DTCIndex" (HR16DE) or EC-504, "U0101-U1001"
(MR18DE).
Without engine diagnostic codes present, refer to EC-488, "
Symptom Table" (HR16DE) or EC-585, "Trouble
Diagnosis Introduction" (MR18DE).
NOTE:
If only “NATS MALFUNCTION” is display ed, erase the self-diagnosis results.
>> GO TO 11
11 .STARTING ENGINE
Check if the engine could be started by inserting the mechanical key into the ignition key cylinder and operate
ignition switch.
OK >> GO TO 12
NG >> GO TO 2
12.ERASE SELF-DIAGNOSIS
Erase both NATS and ENGINE "SELF-DI AGNOSIS" records by using CONSULT-III NATS program card.
>> GO TO 13
13.COMFIRMATION
Perform running test with CONSULT-II I in engine “SELF-DIAGNOSIS” mode.
“NO DTC” is displayed >> Inspection End.
Malfunction information is displayed >>GO TO 2
Trouble DiagnosisINFOID:0000000005929439
SYMPTOM MATRIX CHART 1
Revision: May 2010 2011 Versa

BL-258
< SERVICE INFORMATION >
NATS (NISSAN ANTI-THEFT SYSTEM)
Self-diagnosis related item
• *: When NATS detects trouble, the security indicator lights up while ignition key is in the “ON” position.
SYMPTOM MATRIX CHART 2
Non self-diagnosis related item
*: CONSULT-III self-diagnostic results display screen “no malfunction is detected”.
Diagnosis Procedure 1INFOID:0000000005929440
Self-diagnostic results:
“CHAIN OF ECM-IMMU” displayed on CONSULT-III screen
First perform the “SELF-DIAG RESU LTS” in “BCM” with CONSULT-III, then perform the trouble diag-
nosis of malfunction system indicated “SELF-DIAG RESULTS” of “BCM”. Refer to BCS-18, "
CAN Com-
munication Inspection Using CONSULT-III (Self-Diagnosis)" .
SYMPTOMDisplayed “SELF-DIAG
RESULTS” on CON- SULT-III screen. DIAGNOSTIC PROCE-
DURE
(Reference page) SYSTEM
(Malfunctioning part or mode)
• Security indicator lighting up*
• Engine cannot be started CHAIN OF ECM-IMMU
[P1612] PROCEDURE 1
(BL-258
) In rare case, “CHAIN OF ECM-IMMU” might be stored
during key registration procedure, even if the system is
not malfunctioning.
Open circuit in battery voltage line of BCM circuit
Open circuit in ignition line of BCM circuit
Open circuit in ground line of BCM circuit
Open or short circuit between BCM and ECM commu-
nication line
ECM
BCM
DIFFERENCE OF KEY [P1615] PROCEDURE 6
(BL-264
) Unregistered ignition key is used.
BCM is malfunctioning.
CHAIN OF IMMU-KEY [P1614] PROCEDURE 2
(BL-260
) Malfunction of key ID chip
Communication line between ANT/ AMP and BCM:
Open circuit or short circuit of battery voltage line or
ground line
Open circuit in power source line of ANT/ AMP circuit
Open circuit in ground line of ANT/ AMP circuit
NATS antenna amp.
BCM
ID DISCORD, IMM- ECM
[P1611] PROCEDURE 3
(BL-261
) System initialization has not yet been completed.
ECM
LOCK MODE [P1610] PROCEDURE 5
(BL-263
) When the starting operation is carried out five or more
times consecutively under the following conditions,
NATS will shift the mode to one which prevents the en-
gine from being started.
• Unregistered ignition key is used.
• BCM or ECM’s malfunctioning.
Security indicator
lighting up* DON'T ERASE BE-
FORE CHECKING ENG DIAG WORK FLOW
(BL-255
) Engine trouble data and NATS trouble data have been
detected in ECM
SYMPTOM
DIAGNOSTIC PROCEDURE
(Reference page) SYSTEM
(Malfunctioning part or mode)
Security indicator does not light up*. PROCEDURE 4
(BL-262
) Security indictor.
Open circuit between Fuse and BCM
BCM
Revision: May 2010
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BL-260
< SERVICE INFORMATION >
NATS (NISSAN ANTI-THEFT SYSTEM)
5.REPLACE BCM
1. Replace BCM. Refer to BCS-19, "
Removal and Installation of BCM".
2. Perform initialization with CONSULT-III.
For initialization, refer to “CONSULT-III Operation Manual NATS”.
Does the engine start?
Yes >> BCM is malfunctioning. • Replace BCM. Refer to BCS-19, "
Removal and Installation of BCM" .
• Perform initialization with CONSULT-III
• For initialization, refer to “CONSULT-III Operation Manual NATS”
No >> ECM is malfunctioning. • Replace ECM.
• Perform initialization or re-communicating function
• For initialization, refer to “CONSULT-III Operation Manual NATS”
• For re-communicating function, refer to BL-247, "
ECM Re-communicating Function"
Diagnosis Procedure 2INFOID:0000000005929441
Self-diagnostic results:
“CHAIN OF IMMU-KEY” displayed on CONSULT-III screen
1.CONFIRM SELF-DIAGNOSTIC RESULTS
Confirm SELF-DIAGNOSTIC RESULTS “CHAIN OF IMMU-KEY” displayed on CONSULT-III screen.
Is
“CHAIN OF IMMU-KEY” displayed?
Ye s > > G O T O 2
No >> GO TO BL-257, "
Trouble Diagnosis" .
2.CHECK NATS ANTENNA AMP. INSTALLATION
Check NATS antenna amp. installation. Refer to BL-264, "
How to Replace NATS Antenna Amp" .
OK or NG
OK >> GO TO 3
NG >> Reinstall NATS antenna amp. correctly.
3.CHECK NATS IGNITION KEY ID CHIP
Start engine with another registered NATS ignition key.
Does the engine start?
Yes >> Ignition key ID chip is malfunctioning. • Replace the ignition key
• Perform initialization with CONSULT-IIIFor initialization, refer to “CONSULT-III Operation Manual NATS”
No >> GO TO 4
4.CHECK POWER SUPPLY FO R NATS ANTENNA AMP.
1. Turn ignition switch “OFF”.
2. Check voltage between NATS antenna amp. connector and ground.
OK or NG
OK >> GO TO 5
NG >> Check the following. • 20A fuse [No. 53, located in IPDM E/R]
• Harness for open or short between fuse and NATSantenna amp.
5.CHECK NATS ANTENNA AMP. SIGNAL LINE- 1
Check voltage between NATS antenna amp. connector and ground with analog tester.
NATS antenna amp. connector Te r m i n a l
Voltage [V]
(Approx.)
(+) (–)
M21 1Ground Battery voltage
PIIB6589E
Revision: May 2010 2011 Versa

BL-262
< SERVICE INFORMATION >
NATS (NISSAN ANTI-THEFT SYSTEM)
“ID DISCORD IMM-ECM”:
Registered ID of BCM is in discord with that of ECM.
Is
“ID DISCORD IMM-ECM” displayed?
Ye s > > G O T O 2
No >> GO TO BL-257, "
Trouble Diagnosis" .
2.PERFORM INITIALIZATION WITH CONSULT-III
Perform initialization with CONSULT-III. Re-register all NATS ignition key IDs.
For initialization, refer to “CONSULT-III Operation Manual NATS”.
NOTE:
If the initialization is not completed or ma lfunctions, CONSULT-III shows message on the screen.
Can the system be initialized?
Yes >> • Start engine. (END) • (System initialization had not been completed.)
No >> ECM is malfunctioning. • Replace ECM.
• Perform initialization with CONSULT-III
For initialization, refer to “CONSULT-III Operation Manual NATS”
Diagnosis Procedure 4INFOID:0000000005929443
“COMBINATION METER (SECURITY) DOES NOT LIGHT UP”
1.CHECK FUSE
Check 10A fuse [No.13, located in the fuse block (J/B)]
OK or NG
OK >> GO TO 2
NG >> Replace fuse.
2.CHECK COMBINATION METER (SECURITY)
1. Install 10A fuse.
2. Start engine and turn ignition switch OFF.
3. Check if the combination meter (security) lights up.
OK or NG
OK >> Inspection End.
NG >> GO TO 3
3.CHECK COMBINATION METER (SECURITY) POWER SUPPLY CIRCUIT
1. Disconnect combination meter (security) connector.
2. Check voltage between combination meter (security) connector and ground.
OK or NG
OK >> GO TO 4
NG >> Check harness for open or short between fuse and com- bination meter (security).
4.CHECK BCM FUNCTION
1. Connect combination meter (security) connector.
2. Disconnect BCM connector.
3. Check voltage between BCM connector and ground. Combination meter (security) should light up.
Combination meter
(security) connec-
tor Te r m i n a l
Voltage [V]
(Approx.)
(+) (-)
M24 27Ground Battery voltage
PIIB6593E
Revision: May 2010 2011 Versa

NATS (NISSAN ANTI-THEFT SYSTEM)BL-263
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OK or NG
OK >> BCM is malfunctioning. • Replace BCM. Refer to BCS-19, "
Removal and Instal-
lation of BCM" .
• Perform initialization with CONSULT-III
• For initialization, refer to “CONSULT-III Operation Manual.
NG >> Check the following. • Harness for open or short between combination meter (security) and BCM
• Indicator lamp condition
Diagnosis Procedure 5INFOID:0000000005929444
Self-diagnostic results:
“LOCK MODE” displayed on CONSULT-III screen
1.CONFIRM SELF-DIAGNOSTIC RESULTS
Confirm SELF-DIAGNOSTIC RESULTS “LOCK MODE” is displayed on CONSULT-III screen.
Is
“LOCK MODE” displayed?
Yes >> GO TO 2
No >> GO TO BL-257, "
Trouble Diagnosis" .
2.ESCAPE FROM LOCK MODE
1. Turn ignition switch OFF.
2. Turn ignition switch ON with registered key. (Do not start engine.) Wait 5 seconds.
3. Return the key to OFF position. Wait 5 seconds.
4. Repeat steps 2 and 3 twice (total of three cycles).
5. Start the engine.
Does engine start?
Yes >> System is OK (Now system is escaped from “LOCK MODE”).
No >> GO TO 3
3.PERFORM INITIALIZATION WITH CONSULT-III
Perform initialization with CONSULT-III.
For initialization, refer to “CONSULT-III Operation Manual.
NOTE:
If the initialization is not completed or malf unctions, CONSULT-III shows the message on the screen.
Can the system be initialized?
Yes >> System is OK.
No >> GO TO 4
4.PERFORM INITIALIZATION WITH CONSULT-III AGAIN
1. Replace BCM.
2. Perform initialization with CONSULT-III. For initialization, refer to “CON SULT-III Operation Manual NATS”.
NOTE:
If the initialization is not completed or malf unctions, CONSULT-III shows the message on the screen.
Can the system be initialized?
Yes >> System is OK. (BCM is malfunctioning.)
No >> ECM is malfunctioning. • Replace ECM.
• Perform initialization with CONSULT-III
• For initialization, refer to “CONSULT-III Operation Manual NATS”
BCM connector Terminal
Voltage [V]
(Approx.)
(+) (-)
M18 23Ground Battery voltage
PIIB6594E
Revision: May 2010 2011 Versa

BRAKE PEDALBR-7
< SERVICE INFORMATION >
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1. Loosen stop lamp switch and ASCD cancel switch, if equipped, by rotating it counterclockwise by 45 °.
2. Loosen lock nut on input rod, then rotate input rod to set pedal to the specified height, and tighten the lock nut.
CAUTION:
Make sure that the threaded end of input rod stays inside
clevis.
3. With the pedal pulled and held by hand, press stop lamp switch and ASCD cancel switch, if equipped, until their threaded end
contacts the brake pedal stopper.
4. With the threaded end of stop lamp switch and ASCD cancel switch, if equipped, contacting brake pedal stopper, rotate the
switches clockwise by 45 ° to secure.
CAUTION:
Make sure that the clearance (C) is within specification.
5. Check that the stop lamps go out when the brake pedal is released.
CAUTION:
Make sure that stop lamps go off when brake pedal is
released.
6. Start the engine and check the brake pedal for smooth operation.
Removal and InstallationINFOID:0000000005928392
COMPONENTS
REMOVAL
Lock nut : Refer to BR-21, "Removal and Installation".
SFIA3064E
1. Snap pin 2. Stop lamp switch3. Clip
4. Brake pedal assembly 5. Clevis6. Brake pedal pad
7. ASCD cancel switch (if equipped)
AWFIA0540GB
Revision: May 2010 2011 Versa