2008 NISSAN TEANA engine

DIAGNOSIS SYSTEM (BCM)
SEC-25
< FUNCTION DIAGNOSIS >[INTELLIGENT KEY SYSTEM]
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THEFT ALM
THEFT ALM : CONSULT-III Function (BCM - THEFT)INFOID:0000000003814916
APPLICATION ITEM
CONSULT-III performs the following functions via CAN communication with BCM.
Test item Description
BATTERY SAVERThis test is able to check interior room lamp operation.
The interior room lamp will be activated when “ON” on CONSULT-III screen is touched.
PW REMOTO DOWN SETNOTE:
This item is displayed, but cannot be used.
OUTSIDE BUZZERThis test is able to check Intelligent Key warning buzzer operation.
The Intelligent Key warning buzzer will be activated when “ON” on CONSULT-III screen is touched.
INSIDE BUZZERThis test is able to check warning chime in combination meter operation.
 Take away warning chime sounds when “TAKE OUT” on CONSULT-III screen is touched.
 Key warning chime sounds when “KEY” on CONSULT-III screen is touched.
 P position warning chime sounds when “KNOB” on CONSULT-III screen is touched.
INDICATORThis test is able to check warning lamp operation.
 “KEY” Warning lamp illuminates when “RED ON” on CONSULT-III screen is touched.
 “KEY” Warning lamp blinks when “RED IND” on CONSULT-III screen is touched.
INT LAMPThis test is able to check interior room lamp operation.
The interior room lamp will be activated when “ON” on CONSULT-III screen is touched.
LCDThis test is able to check meter display information
 Engine start information displays when “BP N” on CONSULT-III screen is touched.
 Engine start information displays when “BP I” on CONSULT-III screen is touched.
 Key ID warning displays when “ID NG” on CONSULT-III screen is touched.
 Steering lock information displays when “ROTAT” on CONSULT-III screen is touched.
 P position warning displays when “SFT P” on CONSULT-III screen is touched.
 Intelligent Key insert information displays when “INSRT” on CONSULT-III screen is touched.
 Intelligent Key low battery warning displays when “BATT” on CONSULT-III screen is touched.
 Take away warning displays when “OUTKEY” on CONSULT-III screen is touched.
 OFF position warning displays when “LK WN” on CONSULT-III screen is touched.
TRUNK/GLASS HATCHThis test is able to check trunk lid opener actuator open operation.
This actuator opens when “OPEN” on CONSULT-III screen is touched.
FLASHERThis test is able to check security hazard lamp operation.
The hazard lamps will be activated when “RH” or “LH”on CONSULT-III screen is touched.
HORNThis test is able to check horn operation.
The horn will be activated when “ON” on CONSULT-III screen is touched.
P RANGEThis test is able to check control device power supply
Control device power is supplied when “ON” on CONSULT-III screen is touched.
ENGINE SW ILLUMIThis test is able to check push-ignition switch illumination operation.
Push-ignition switch illumination illuminates when “ON” on CONSULT-III screen is touched.
LOCK INDICATORThis test is able to check LOCK indicator in push-ignition switch operation.
LOCK indicator in push-ignition switch illuminates when “ON” on CONSULT-III screen is touched.
ACC INDICATORThis test is able to check ACC indicator in push-ignition switch operation.
ACC indicator in push-ignition switch illuminates when “ON” on CONSULT-III screen is touched.
IGNITION ON INDThis test is able to check ON indicator in push-ignition switch operation.
ON indicator in push-ignition switch illuminates when “ON” on CONSULT-III screen is touched.
KEY SLOT ILLUMIThis test is able to check key slot illumination operation.
Key slot illumination illuminates when “ON” on CONSULT-III screen is touched.
TRUNK/BACK DOORThis test is able to check trunk lid opener actuator open operation.
This actuator opens when “OPEN” on CONSULT-III screen is touched.

P1610 LOCK MODE
SEC-31
< COMPONENT DIAGNOSIS >[INTELLIGENT KEY SYSTEM]
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P1610 LOCK MODE
DescriptionINFOID:0000000003814927
When the starting operation is carried more than five times consecutively under the following conditions, NATS
will shift to the mode which prevents the engine from being started.
 Unregistered Intelligent Key is used.
 BCM or ECM is malfunctioning.
DTC LogicINFOID:0000000003814928
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Turn ignition switch ON.
2. Check “Self diagnostic result” with CONSULT-III.
Is DTC detected?
YES >> Go to SEC-31, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000003814929
1.CHECK ENGINE START FUNCTION
1. Perform the check for DTC except DTC P1610.
2. Use CONSULT-III to erase DTC after fixing.
3. Turn ignition switch OFF.
4. Turn ignition switch ON when registered Intelligent Key is inserted into key slot and wait for 5 seconds.
5. Turn the ignition switch OFF and wait 5 seconds.
6. Repeat steps 4 and 5 twice (total of 3 cycles).
7. Check that engine can start when registered Intelligent Key is inserted into key slot.
>> INSPECTION END
DTC No.Trouble diagnosis
nameDTC detecting condition Possible cause
P1610 LOCK MODEWhen the starting operation is carried out
five or more times consecutively under the
following conditions.
 Unregistered Intelligent Key
 BCM or ECM is malfunctioning.—

SEC-32
< COMPONENT DIAGNOSIS >[INTELLIGENT KEY SYSTEM]
P1611 ID DISCORD, IMMU-ECM
P1611 ID DISCORD, IMMU-ECM
DescriptionINFOID:0000000003814930
BCM performs the ID verification with ECM that allows the engine to start. Start the engine if the ID is OK.
ECM prevents the engine from starting if the ID is not registered. BCM starts the communication with ECM if
ignition switch is turned ON.
DTC LogicINFOID:0000000003814931
DTC DETECTION LOGIC
NOTE:
 If DTC B1611 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
SEC-28, "
BCM : DTC Logic".
 If DTC B1611 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to
SEC-30, "
BCM : DTC Logic".
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Turn ignition switch ON under the following conditions.
- Selector lever is in the P or N position.
- Do not depress brake pedal.
2. Check “Self diagnostic result” with CONSULT-III.
Is DTC detected?
YES >> Go to SEC-32, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000003814932
1.PERFORM INITIALIZATION
Perform initialization with CONSULT-III. Re-register all Intelligent Keys.
For initialization and registration of Intelligent Key. Refer to “CONSULT-III Operation Manual NATS-IVIS/
NVIS”.
Can the system be initialized and can the engine be started with reregistered Intelligent Key?
YES >> INSPECTION END
NO >> GO TO 2.
2.REPLACE BCM
1. Replace BCM. Refer to BCS-78, "
Removal and Installation".
2. Perform initialization with CONSULT-III.
For initialization, refer to “CONSULT-III Operation Manual NATS-IVIS/NVIS”.
Can the system be initialized and can the engine be started with reregistered Intelligent Key?
YES >> INSPECTION END
NO >> GO TO 3.
3.REPLACE ECM
1. Replace ECM. Refer to EC-14, "
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Descrip-
tion".
2. Perform initialization with CONSULT-III.
For initialization, refer to “CONSULT-III Operation Manual NATS-IVIS/NVIS”.
Can the system be initialized and can the engine be started with reregistered Intelligent Key?
YES >> INSPECTION END
DTC No.Trouble diagnosis
nameDTC detecting condition Possible cause
P1611ID DISCORD, IMMU-
ECMThe ID verification result between BCM and ECM is
NG. The registration is necessary.BCM
ECM

SEC-34
< COMPONENT DIAGNOSIS >[INTELLIGENT KEY SYSTEM]
P1612 CHAIN OF ECM-IMMU
P1612 CHAIN OF ECM-IMMU
DescriptionINFOID:0000000003814933
BCM performs the ID verification with ECM that allows the engine to start. Start the engine if the ID is OK.
ECM prevents the engine from starting if the ID is not registered. BCM starts the communication with ECM if
ignition switch is turned ON.
DTC LogicINFOID:0000000003814934
DTC DETECTION LOGIC
NOTE:
 If DTC P1612 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
SEC-28, "
BCM : DTC Logic".
 If DTC P1612 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to
SEC-30, "
BCM : DTC Logic".
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Turn ignition switch ON under the following conditions.
- Selector lever is in the P or N position.
- Do not depress brake pedal.
2. Check “Self diagnostic result” with CONSULT-III.
Is DTC detected?
YES >> Go to SEC-34, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000003814935
1.REPLACE BCM
1. Replace BCM. Refer to BCS-78, "
Removal and Installation".
2. Perform initialization with CONSULT-III.
For initialization, refer to “CONSULT-III Operation Manual NATS-IVIS/NVIS”.
Does the engine start?
YES >> INSPECTION END
NO >> GO TO 2.
2.REPLACE ECM
Replace ECM. Refer to EC-14, "
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Description".
>> INSPECTION END
DTC No.Trouble diagnosis
nameDTC detecting condition Possible cause
P1612 CHAIN OF ECM-IMMU Inactive communication between ECM and BCM Harness or connectors
(The CAN communication line is open or
shorted)
BCM
ECM

P1614 CHAIN OF IMMU-KEY
SEC-35
< COMPONENT DIAGNOSIS >[INTELLIGENT KEY SYSTEM]
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P1614 CHAIN OF IMMU-KEY
DescriptionINFOID:0000000003814936
Performs ID verification through BCM and Intelligent Key when push-button ignition switch is pressed.
Prohibits the release of steering lock or start of engine when an unregistered ID of Intelligent Key is used.
DTC LogicINFOID:0000000003814937
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE 1
1. Insert Intelligent Key into the key slot.
2. Check “Self diagnostic result” with CONSULT-III.
Is DTC detected?
YES >> Go to SEC-35, "Diagnosis Procedure".
NO >> GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE 2
1. Press the push-button ignition switch.
2. Check “Self diagnostic result” with CONSULT-III.
Is DTC detected?
YES >> Go to SEC-35, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000003814938
1. INSPECTION START
Check the case in which DTC is detected.
 Case1: It is detected when Intelligent Key is inserted into key slot.
 Case2: It is detected after Intelligent Key is inserted into key slot and push-button ignition switch is pressed.
In which case is DTC detected?
Case1. >> GO TO 2.
Case2. >> GO TO 4.
2.CHECK KEY SLOT INPUT SIGNAL
1. Turn ignition switch OFF.
2. Disconnect key slot connector.
3. Check voltage between key slot harness connector and ground.
Is the inspection result normal?
YES >> Replace key slot. Refer to SEC-204, "Removal and Installation".
NO >> GO TO 3.
DTC No.Trouble diagnosis
nameDTC detecting condition Possible cause
P1614CHAIN OF IMMU-
KEYInactive communication between key slot and
BCM. Harness or connectors
(The key slot circuit is open or
shorted)
 Key slot
BCM
(+)
(–)Voltage (V)
(Approx.) Key slot
Connector Terminal
M99 2 Ground Battery voltage

SEC-38
< COMPONENT DIAGNOSIS >[INTELLIGENT KEY SYSTEM]
P1615 DIFFRENCE OF KEY
P1615 DIFFRENCE OF KEY
DescriptionINFOID:0000000003814939
Performs ID verification through BCM and Intelligent Key when push-button ignition switch is pressed.
Prohibits the release of steering lock or start of engine when an unregistered ID of Intelligent Key is used.
DTC LogicINFOID:0000000003814940
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Press the push-button ignition switch.
2. Check “Self diagnostic result” with CONSULT-III.
Is DTC detected?
YES >> Go to SEC-38, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000003814941
1.PERFORM INITIALIZATION
Perform initialization with CONSULT-III. Reregister all Intelligent Keys.
For initialization and registration of Intelligent Key. Refer to “CONSULT-III Operation Manual NATS-IVIS/
NVIS”.
Can the system be initialized and can the engine be started with reregistered Intelligent Key?
YES >> INSPECTION END
NO >> GO TO 2.
2.REPLACE INTELLIGENT KEY
1. Replace Intelligent Key.
2. Perform initialization with CONSULT-III.
For initialization and registration of Intelligent Key. Refer to “CONSULT-III Operation Manual NATS-IVIS/
NVIS”.
Can the system be initialized and can the engine be started with re-registered Intelligent Key?
YES >> INSPECTION END
NO >> GO TO 3.
3.CHECK INTERMITTENT INCIDENT
Refer to GI-35, "
Intermittent Incident".
>> INSPECTION END
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P1615 DIFFERENCE OF KEYThe ID verification result between BCM and Intelligent Key
is NG. The registration is necessary.Intelligent Key

B2190 NATS ANTENNA AMP.
SEC-39
< COMPONENT DIAGNOSIS >[INTELLIGENT KEY SYSTEM]
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B2190 NATS ANTENNA AMP.
DescriptionINFOID:0000000003814942
Performs ID verification through BCM and Intelligent Key when push-button ignition switch is pressed.
Prohibits the release of steering lock or start of engine when an unregistered ID of Intelligent Key is used.
DTC LogicINFOID:0000000003814943
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Insert Intelligent Key into the key slot.
2. Check “Self diagnostic result” with CONSULT-III.
Is DTC detected?
YES >> Go to SEC-39, "Diagnosis Procedure".
NO >> GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE
1. Press the push-button ignition switch.
2. Check “Self diagnostic result” with CONSULT-III.
Is DTC detected?
YES >> Go to SEC-39, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000003814944
1. INSPECTION START
Check the case in which DTC is detected.
 Case1: It is detected when Intelligent Key is inserted into key slot.
 Case2: It is detected after Intelligent Key is inserted into key slot and push-button ignition switch is pressed.
In which case is DTC detected?
Case1. >> GO TO 2.
Case2. >> GO TO 4.
2.CHECK KEY SLOT INPUT SIGNAL
1. Turn ignition switch OFF.
2. Disconnect key slot connector.
3. Check voltage between key slot harness connector and ground.
Is the inspection result normal?
YES >> Replace key slot. Refer to SEC-204, "Removal and Installation".
NO >> GO TO 3.
DTC No.Trouble diagnosis
nameDTC detecting condition Possible cause
B2190NATS ANTENNA
AMPInactive communication between key slot and
BCM. Harness or connectors
(The key slot circuit is open or
shorted)
 Key slot
BCM
(+)
(–)Voltage (V)
(Approx.) Key slot
Connector Terminal
M99 2 Ground Battery voltage

SEC-42
< COMPONENT DIAGNOSIS >[INTELLIGENT KEY SYSTEM]
B2191 DIFFERENCE OF KEY
B2191 DIFFERENCE OF KEY
DescriptionINFOID:0000000003814945
Performs ID verification through BCM and Intelligent Key when push-button ignition switch is pressed.
Prohibits the release of steering lock or start of engine when an unregistered ID of Intelligent Key is used.
DTC LogicINFOID:0000000003814946
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Press the push-button ignition switch
2. Check “Self diagnostic result” with CONSULT-III.
Is DTC detected?
YES >> Go to SEC-42, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000003814947
1.PERFORM INITIALIZATION
Perform initialization with CONSULT-III. Reregister all Intelligent Keys.
For initialization and registration of Intelligent Key. Refer to “CONSULT-III Operation Manual NATS-IVIS/
NVIS”.
Can the system be initialized and can the engine be started with reregistered Intelligent Key?
YES >> INSPECTION END
NO >> GO TO 2.
2.REPLACE INTELLIGENT KEY
1. Replace Intelligent Key.
2. Perform initialization with CONSULT-III.
For initialization and registration of Intelligent Key. Refer to “CONSULT-III Operation Manual NATS-IVIS/
NVIS”.
Can the system be initialized and can the engine be started with reregistered Intelligent Key?
YES >> INSPECTION END
NO >> GO TO 3.
3.CHECK INTERMITTENT INCIDENT
Refer to GI-35, "
Intermittent Incident".
>> INSPECTION END
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
B2191 DIFFERENCE OF KEYThe ID verification result between BCM and Intelligent Key
is NG. The registration is necessary.Intelligent Key