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 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

B2192 ID DISCORD, IMMU-ECM
SEC-43
< COMPONENT DIAGNOSIS >[INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
MA
B
SEC
N
O
P
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

SEC-44
< COMPONENT DIAGNOSIS >[INTELLIGENT KEY SYSTEM]
B2192 ID DISCORD, IMMU-ECM
4.CHECK INTERMITTENT INCIDENT
Refer to GI-35, "
Intermittent Incident".
>> INSPECTION END

B2193 CHAIN OF ECM-IMMU
SEC-45
< COMPONENT DIAGNOSIS >[INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
MA
B
SEC
N
O
P
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

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

B2014 CHAIN OF STRG-IMMU
SEC-47
< COMPONENT DIAGNOSIS >[INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
MA
B
SEC
N
O
P
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

SEC-48
< COMPONENT DIAGNOSIS >[INTELLIGENT KEY SYSTEM]
B2014 CHAIN OF STRG-IMMU
Is the inspection normal?
YES >> Replace BCM. Refer to BCS-78, "Removal and Installation".
NO >> Repair or replace harness.
3.CHECK STEERING LOCK UNIT GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Check continuity between steering lock unit and ground.
Is the inspection normal?
YES >> GO TO 4.
NO >> Repair or replace harness.
4.CHECK STEERING LOCK UNIT COMMUNICATION SIGNAL
1. Connect steering lock unit connector.
2. Read voltage signal between steering lock unit harness connector and ground.
Is the inspection normal?
YES >> Replace steering lock unit.
NO >> GO TO 5.
5.CHECK STEERING LOCK UNIT COMMUNICATION CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect steering lock unit and BCM connector.
3. Check continuity between steering lock unit harness connector and BCM harness connector.
Steering lock unit
GroundContinuity
Connector Terminal
M12 7 Not existed
Steering lock unit
GroundContinuity
Connector Terminal
M125
Existed
6
(+)
(–) ConditionVoltage (V)
(Approx.) Steering lock unit
Connector Terminal
M12 2 Ground Steering lock unitLock status Battery voltage
Lock or unlock
For 15 seconds after
unlockBattery voltage
15 seconds or later
after unlock.0
Steering is locked : Opening the door when ignition switch is ON to OFF.
Steering is unlocked : Ignition switch is OFF to ACC.
JMKIA0066GB

B2014 CHAIN OF STRG-IMMU
SEC-49
< COMPONENT DIAGNOSIS >[INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
MA
B
SEC
N
O
P
4. Check continuity between steering lock unit harness connector and ground.
Is the inspection normal?
YES >> GO TO 6.
NO >> Repair or replace harness.
6.CHECK INTERMITTENT INCIDENT
Refer to GI-35, "
Intermittent Incident".
>> INSPECTION END
Steering lock unit BCM
Continuity
Connector Terminal Connector Terminal
M 1 2 2 M 1 2 2 111 E x i s t e d
Steering lock unit
GroundContinuity
Connector Terminal
M12 2 Not existed

SEC-50
< COMPONENT DIAGNOSIS >[INTELLIGENT KEY SYSTEM]
B2555 STOP LAMP
B2555 STOP LAMP
DescriptionINFOID:0000000003814960
BCM detects the stop lamp status and confirms the stop lamp switch ON/OFF status. BCM confirms the
engine start condition according to the stop lamp switch ON/OFF status.
DTC LogicINFOID:0000000003814961
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Depress the brake pedal and wait for at least 1 second.
2. Check “Self diagnostic result” with CONSULT-III.
Is DTC detected?
YES >> Go to SEC-50, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000003814962
1.CHECK STOP LAMP SWITCH INPUT SIGNAL
1. Turn ignition switch OFF.
2. Disconnect BCM connector.
3. Check voltage between BCM harness connector and ground.
Is the inspection normal?
YES >> GO TO 2.
NO >> Check the following.
 10A fuse [No. 7, located in the fuse block (J/B)]
 Harness for open or short between BCM and fuse.
2.CHECK STOP LAMP SWITCH POWER SUPPLY CIRCUIT
1. Disconnect stop lamp switch connector.
2. Check voltage between stop lamp harness connector and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Check harness for open or short between stop lamp switch and fuse.
DTC No.Trouble diagno-
sis nameDTC detecting condition Possible cause
B2555 STOP LAMPBCM makes a comparison between the
upper voltage and lower voltage of stop
lamp switch. It judges from their values to
detect the malfunctioning circuit. Harness or connectors
(Stop lamp switch circuit is open or shorted)
 Stop lamp switch
Fuse
(+)
(–)Voltage (V)
(Approx.) BCM
Connector Terminal
M123 116 Ground Battery voltage
(+)
(–)Voltage (V)
(Approx.) Stop lamp switch
Connector Terminal
E115 1 Ground Battery voltage

B2555 STOP LAMP
SEC-51
< COMPONENT DIAGNOSIS >[INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
MA
B
SEC
N
O
P
3.CHECK STOP LAMP SWITCH CIRCUIT
1. Check continuity between stop lamp switch harness connector and BCM harness connector.
2. Check continuity between stop lamp switch harness connector and ground.
Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair or replace harness.
4.CHECK STOP LAMP SWITCH
Refer to SEC-51, "
Component Inspection".
Is the inspection result normal?
YES >> GO TO 5.
NO >> Replace stop lamp switch. Refer to BR-17, "
Removal and Installation".
5.CHECK INTERMITTENT INCIDENT
Refer to GI-35, "
Intermittent Incident".
>> INSPECTION END
Component InspectionINFOID:0000000003814963
1.CHECK STOP LAMP SWITCH
1. Turn ignition switch OFF.
2. Disconnect stop lamp switch connector.
3. Check continuity between stop lamp switch terminals.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Replace stop lamp switch. Refer to BR-17, "
Removal and Installation".
Stop lamp switch BCM
Continuity
Connector Terminal Connector Terminal
E115 2 M123 118 Existed
Sto p l am p s w it ch
GroundContinuity
Connector Terminal
E115 2 Not existed
Stop lamp switch
Condition Continuity
Terminal
1 2 Brake pedalNot depressed Not existed
Depressed Existed