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![NISSAN TEANA 2008 Service Manual SEC-40
< COMPONENT DIAGNOSIS >[INTELLIGENT KEY SYSTEM]
B2190 NATS ANTENNA AMP.
3.CHECK KEY SLOT CIRCUIT
1. Disconnect BCM connector.
2. Check continuity between key slot harness connector and BCM harn NISSAN TEANA 2008 Service Manual SEC-40
< COMPONENT DIAGNOSIS >[INTELLIGENT KEY SYSTEM]
B2190 NATS ANTENNA AMP.
3.CHECK KEY SLOT CIRCUIT
1. Disconnect BCM connector.
2. Check continuity between key slot harness connector and BCM harn](/manual-img/5/57391/w960_57391-4048.png)
SEC-40
< COMPONENT DIAGNOSIS >[INTELLIGENT KEY SYSTEM]
B2190 NATS ANTENNA AMP.
3.CHECK KEY SLOT CIRCUIT
1. Disconnect BCM connector.
2. Check continuity between key slot harness connector and BCM harness connector.
3. Check continuity between key slot harness connector and ground.
Is the inspection result normal?
YES >> Replace BCM. Refer to BCS-78, "Removal and Installation".
NO >> Repair or replace harness.
4.CHECK PUSH-BUTTON IGNITION SWITCH OPERATION
Press push-button ignition switch and check if it turns ON.
Does ignition switch turn to ON?
YES >> GO TO 5.
NO >> GO TO 7.
5.CHECK KEY SLOT COMMUNICATION 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 6.
6.CHECK KEY SLOT COMMUNICATION SIGNAL CIRCUIT
1. Disconnect BCM connector.
2. Check continuity between key slot harness connector and BCM harness connector.
3. Check continuity between key slot harness connector and ground.
Is the inspection result normal?
YES >> Replace BCM. Refer to BCS-78, "Removal and Installation".
NO >> Repair or replace harness.
7.CHECK KEY SLOT GROUND CIRCUIT
Key slot BCM
Continuity
Connector Terminal Connector Terminal
M99 2 M122 80 Existed
Key slot
GroundContinuity
Connector Terminal
M99 2 Not existed
(+)
(–)Voltage (V)
(Approx.) Key slot
Connector Terminal
M99 3 Ground Battery voltage
Key slot BCM
Continuity
Connector Terminal Connector Terminal
M99 3 M122 81 Existed
Key slot
GroundContinuity
Connector Terminal
M99 3 Not existed
Page 4050 of 5121
B2190 NATS ANTENNA AMP.
SEC-41
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1. Turn ignition switch OFF.
2. Disconnect key slot connector.
3. Check continuity between key slot harness connector and ground.
Is the inspection result normal?
YES >> GO TO 8.
NO >> Repair or replace harness.
8.CHECK INTERMITTENT INCIDENT
Refer to GI-35, "
Intermittent Incident".
>> INSPECTION END
Key slot
GroundContinuity
Connector Terminal
M99 7 Existed
Page 4051 of 5121
![NISSAN TEANA 2008 Service Manual 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 NISSAN TEANA 2008 Service Manual 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](/manual-img/5/57391/w960_57391-4050.png)
SEC-42
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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
Page 4052 of 5121
![NISSAN TEANA 2008 Service Manual B2192 ID DISCORD, IMMU-ECM
SEC-43
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B2192 ID DISCORD, IMMU-ECM
DescriptionINFOID:0000000003814948
BCM performs the ID ver NISSAN TEANA 2008 Service Manual B2192 ID DISCORD, IMMU-ECM
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B2192 ID DISCORD, IMMU-ECM
DescriptionINFOID:0000000003814948
BCM performs the ID ver](/manual-img/5/57391/w960_57391-4051.png)
B2192 ID DISCORD, IMMU-ECM
SEC-43
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B2192 ID DISCORD, IMMU-ECM
DescriptionINFOID:0000000003814948
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:0000000003814949
DTC DETECTION LOGIC
NOTE:
If DTC B2192 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
SEC-28, "
BCM : DTC Logic".
If DTC B2192 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-43, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000003814950
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 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.
Can the system be initialized and can the engine be started with reregistered Intelligent Key?
YES >> INSPECTION END
NO >> GO TO 4.
DTC No.Trouble diagnosis
nameDTC detecting condition Possible cause
B2192ID DISCORD, IMMU-
ECMThe ID verification result between BCM and ECM is
NG. The registration is necessary.BCM
ECM
Page 4053 of 5121
SEC-44
< COMPONENT DIAGNOSIS >[INTELLIGENT KEY SYSTEM]
B2192 ID DISCORD, IMMU-ECM
4.CHECK INTERMITTENT INCIDENT
Refer to GI-35, "
Intermittent Incident".
>> INSPECTION END
Page 4054 of 5121
![NISSAN TEANA 2008 Service Manual B2193 CHAIN OF ECM-IMMU
SEC-45
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B2193 CHAIN OF ECM-IMMU
DescriptionINFOID:0000000003814951
BCM performs the ID verificat NISSAN TEANA 2008 Service Manual B2193 CHAIN OF ECM-IMMU
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B2193 CHAIN OF ECM-IMMU
DescriptionINFOID:0000000003814951
BCM performs the ID verificat](/manual-img/5/57391/w960_57391-4053.png)
B2193 CHAIN OF ECM-IMMU
SEC-45
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B2193 CHAIN OF ECM-IMMU
DescriptionINFOID:0000000003814951
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:0000000003814952
DTC DETECTION LOGIC
NOTE:
If DTC B2193 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
SEC-28, "
BCM : DTC Logic".
If DTC B2193 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-45, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000003814953
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
B2193CHAIN OF ECM-
IMMUInactive communication between ECM and BCM Harness or connectors
(The CAN communication line is
open or shorted)
BCM
ECM
Page 4055 of 5121
![NISSAN TEANA 2008 Service Manual SEC-46
< COMPONENT DIAGNOSIS >[INTELLIGENT KEY SYSTEM]
B2013 ID DISCORD, IMMU-STRG
B2013 ID DISCORD, IMMU-STRG
DescriptionINFOID:0000000003814954
BCM performs the ID verification with the steering loc NISSAN TEANA 2008 Service Manual SEC-46
< COMPONENT DIAGNOSIS >[INTELLIGENT KEY SYSTEM]
B2013 ID DISCORD, IMMU-STRG
B2013 ID DISCORD, IMMU-STRG
DescriptionINFOID:0000000003814954
BCM performs the ID verification with the steering loc](/manual-img/5/57391/w960_57391-4054.png)
SEC-46
< COMPONENT DIAGNOSIS >[INTELLIGENT KEY SYSTEM]
B2013 ID DISCORD, IMMU-STRG
B2013 ID DISCORD, IMMU-STRG
DescriptionINFOID:0000000003814954
BCM performs the ID verification with the steering lock unit and releases the steering lock if both BCM and
steering lock unit ID are same. BCM starts the communication with the steering lock unit when Intelligent Key
is carried into the passenger compartment and the push-button ignition switch is pressed.
DTC LogicINFOID:0000000003814955
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Lock steering.
2. Press the push-button ignition switch.
3. Check “Self diagnostic result” with CONSULT-III.
Is DTC detected?
YES >> Go to SEC-46, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000003814956
1.PERFORM INITIALIZATION
Perform initialization with CONSULT-III.
For initialization, refer to “CONSULT-III Operation Manual NATS-IVIS/NVIS”.
Does steering lock operate?
YES >> INSPECTION END
NO >> GO TO 2.
2.REPLACE STEERING LOCK UNIT
1. Replace steering lock unit.
2. Perform initialization with CONSULT-III.
For initialization, refer to “CONSULT-III Operation Manual NATS-IVIS/NVIS”.
Does steering lock operate?
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
B2013 ID DISCORD, IMMU-STRGThe ID verification result between BCM and steering lock
unit is NG. The registration is necessary.Steering lock unit
Page 4056 of 5121
![NISSAN TEANA 2008 Service Manual B2014 CHAIN OF STRG-IMMU
SEC-47
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B2014 CHAIN OF STRG-IMMU
DescriptionINFOID:0000000003814957
BCM performs the ID verific NISSAN TEANA 2008 Service Manual B2014 CHAIN OF STRG-IMMU
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B2014 CHAIN OF STRG-IMMU
DescriptionINFOID:0000000003814957
BCM performs the ID verific](/manual-img/5/57391/w960_57391-4055.png)
B2014 CHAIN OF STRG-IMMU
SEC-47
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B2014 CHAIN OF STRG-IMMU
DescriptionINFOID:0000000003814957
BCM performs the ID verification with the steering lock unit to release the steering. BCM starts the communi-
cation with the steering lock unit when Intelligent Key is carried into the passenger compartment and the push-
button ignition switch is pressed.
DTC LogicINFOID:0000000003814958
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Lock steering.
2. Press the push-button ignition switch.
3. Check “Self diagnostic result” with CONSULT-III.
Is DTC detected?
YES >> Go to SEC-47, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000003814959
1.CHECK STEERING LOCK UNIT POWER SUPPLY
1. Turn ignition switch OFF.
2. Disconnect steering lock unit connector.
3. Check voltage between steering lock unit harness connector and ground.
Is the inspection normal?
YES >> GO TO 3.
NO >> GO TO 2.
2.CHECK STEERING LOCK UNIT POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connector.
3. Check continuity between steering lock unit harness connector and BCM harness connector.
4. Check continuity between steering lock unit harness connector and ground.
DTC No.Trouble diagnosis
nameDTC detecting condition Possible cause
B2014CHAIN OF STRG-
IMMUInactive communication between steering
lock unit and BCM Harness or connectors
(Steering lock unit circuit is open or short-
ed)
Steering lock unit
BCM
(+)
(–) ConditionVoltage (V)
(Approx.) Steering lock unit
Connector Terminal
M12 7 Ground Ignition switchOFF or ACC Battery voltage
ON 0
Steering lock unit BCM
Continuity
Connector Terminal Connector Terminal
M12 7 M122 106 Existed