Page 4057 of 5121
![NISSAN TEANA 2008 Service Manual 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 harne NISSAN TEANA 2008 Service Manual 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 harne](/manual-img/5/57391/w960_57391-4056.png)
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
Page 4058 of 5121
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
Page 4059 of 5121
![NISSAN TEANA 2008 Service Manual 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 stat NISSAN TEANA 2008 Service Manual 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 stat](/manual-img/5/57391/w960_57391-4058.png)
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
Page 4060 of 5121
![NISSAN TEANA 2008 Service Manual 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 NISSAN TEANA 2008 Service Manual 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](/manual-img/5/57391/w960_57391-4059.png)
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
Page 4061 of 5121
![NISSAN TEANA 2008 Service Manual SEC-52
< COMPONENT DIAGNOSIS >[INTELLIGENT KEY SYSTEM]
B2556 PUSH-BUTTON IGNITION SWITCH
B2556 PUSH-BUTTON IGNITION SWITCH
DescriptionINFOID:0000000003814964
The switch that changes the power supply p NISSAN TEANA 2008 Service Manual SEC-52
< COMPONENT DIAGNOSIS >[INTELLIGENT KEY SYSTEM]
B2556 PUSH-BUTTON IGNITION SWITCH
B2556 PUSH-BUTTON IGNITION SWITCH
DescriptionINFOID:0000000003814964
The switch that changes the power supply p](/manual-img/5/57391/w960_57391-4060.png)
SEC-52
< COMPONENT DIAGNOSIS >[INTELLIGENT KEY SYSTEM]
B2556 PUSH-BUTTON IGNITION SWITCH
B2556 PUSH-BUTTON IGNITION SWITCH
DescriptionINFOID:0000000003814964
The switch that changes the power supply position. BCM maintains the power supply position status. BCM
changes the power supply position with the operation of the push-button ignition switch.
DTC LogicINFOID:0000000003814965
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Start the engine and wait for at least 100 seconds.
2. Check “Self diagnostic result” with CONSULT-III.
Is DTC detected?
YES >> Go to SEC-52, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000003814966
1.CHECK PUSH-BUTTON IGNITION SWITCH INPUT SIGNAL
1. Turn ignition switch OFF.
2. Disconnect push-button ignition switch connector.
3. Check voltage between push-button ignition switch harness connector and ground.
Is the inspection normal?
YES >> GO TO 3.
NO >> GO TO 2.
2.CHECK PUSH-BUTTON IGNITION SWITCH CIRCUIT
1. Disconnect BCM connector and IPDM E/R connector.
2. Check continuity between push-button ignition switch harness connector and BCM harness connector.
3. Check continuity between push-button ignition switch harness connector and ground.
Is the inspection normal?
DTC No.Trouble diagnosis
nameDTC detecting condition Possible cause
B2556PUSH-BUTTON IG-
NITION SWITCHBCM detects the push-button ignition
switch stuck at ON for 100 seconds or
more Harness or connectors
(Push-button ignition switch circuit is shorted.)
Push-button ignition switch
BCM
(+)
(–)Voltage (V)
(Approx.) Push-button ignition switch
Connector Terminal
M101 4 Ground Battery voltage
Push-button ignition switch BCM
Continuity
Connector Terminal Connector Terminal
M101 4 M122 89 Existed
Push-button ignition switch
GroundContinuity
Connector Terminal
M101 4 Not existed
Page 4062 of 5121
![NISSAN TEANA 2008 Service Manual B2556 PUSH-BUTTON IGNITION SWITCH
SEC-53
< COMPONENT DIAGNOSIS >[INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
MA
B
SEC
N
O
P
YES >> Replace BCM. Refer to BCS-78, "Removal and Installation".
NO >> Repair NISSAN TEANA 2008 Service Manual B2556 PUSH-BUTTON IGNITION SWITCH
SEC-53
< COMPONENT DIAGNOSIS >[INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
MA
B
SEC
N
O
P
YES >> Replace BCM. Refer to BCS-78, "Removal and Installation".
NO >> Repair](/manual-img/5/57391/w960_57391-4061.png)
B2556 PUSH-BUTTON IGNITION SWITCH
SEC-53
< COMPONENT DIAGNOSIS >[INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
MA
B
SEC
N
O
P
YES >> Replace BCM. Refer to BCS-78, "Removal and Installation".
NO >> Repair or replace harness.
3.CHECK PUSH-BUTTON IGNITION SWITCH GROUND CIRCUIT
Check continuity between push-button ignition switch harness connector and ground.
Is the inspection normal?
YES >> GO TO 4.
NO >> Repair or replace harness.
4.CHECK PUSH-BUTTON IGNITION SWITCH
Refer to SEC-53, "
Component Inspection".
Is the inspection normal?
YES >> GO TO 5.
NO >> Replace push-button ignition switch. Refer to SEC-205, "
Removal and Installation".
5.CHECK INTERMITTENT INCIDENT
Refer to GI-35, "
Intermittent Incident".
>> INSPECTION END
Component InspectionINFOID:0000000003814967
1.CHECK PUSH-BUTTON IGNITION SWITCH
1. Turn ignition switch OFF.
2. Disconnect push-button ignition switch connector.
3. Check continuity between push-button ignition switch terminals.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Replace push-button ignition switch. Refer to SEC-205, "
Removal and Installation".
Push-button ignition switch
GroundContinuity
Connector Terminal
M101 1 Existed
Push-button ignition switch
Condition Continuity
Te r m i n a l s
14Pressed Existed
Not pressed Not existed
Page 4063 of 5121
![NISSAN TEANA 2008 Service Manual SEC-54
< COMPONENT DIAGNOSIS >[INTELLIGENT KEY SYSTEM]
B2557 VEHICLE SPEED
B2557 VEHICLE SPEED
DescriptionINFOID:0000000003814968
BCM receives the 2 vehicle speed signals via CAN communication. 1 sign NISSAN TEANA 2008 Service Manual SEC-54
< COMPONENT DIAGNOSIS >[INTELLIGENT KEY SYSTEM]
B2557 VEHICLE SPEED
B2557 VEHICLE SPEED
DescriptionINFOID:0000000003814968
BCM receives the 2 vehicle speed signals via CAN communication. 1 sign](/manual-img/5/57391/w960_57391-4062.png)
SEC-54
< COMPONENT DIAGNOSIS >[INTELLIGENT KEY SYSTEM]
B2557 VEHICLE SPEED
B2557 VEHICLE SPEED
DescriptionINFOID:0000000003814968
BCM receives the 2 vehicle speed signals via CAN communication. 1 signal is transmitted by the “combination
meter” Another signal is transmitted by “ABS actuator and electric unit (control unit).” BCM compares both sig-
nals to detect the vehicle speed.
DTC LogicINFOID:0000000003814969
DTC DETECTION LOGIC
NOTE:
If DTC B2557 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
SEC-28, "
BCM : DTC Logic".
If DTC B2557 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. Drive the vehicle at the vehicle speed of 10 km/h (6.2 MPH) or more and wait for at least 10 seconds.
2. Check “Self diagnostic result” with CONSULT-III.
Is DTC detected?
YES >> Go to SEC-54, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000003814970
1.CHECK DTC WITH “ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)”
Check “Self diagnostic result” with CONSULT-III. Refer to BRC-48, "
DTC No. Index".
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair or replace the malfunctioning parts.
2.CHECK DTC WITH “COMBINATION METER”
Check “Self diagnostic result” with CONSULT-III. Refer to MWI-67, "
DTC Index".
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace the malfunctioning parts.
3.CHECK INTERMITTENT INCIDENT
Refer to GI-35, "
Intermittent Incident".
>> INSPECTION END
DTC Self-diagnosis name DTC detecting condition Possible causes
B2557 VEHICLE SPEEDBCM detects the following difference between the vehicle
speed from “combination meter” and the one from “ABS ac-
tuator and electric unit” for 10 seconds continuously.
One is 10 km/h (6.2 MPH) or more and the other is 4 km/
h (2.5 MPH) or less. Wheel sensor
Combination meter
ABS actuator and electric
unit (control unit)
Page 4064 of 5121
![NISSAN TEANA 2008 Service Manual B2560 STARTER CONTROL RELAY
SEC-55
< COMPONENT DIAGNOSIS >[INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
MA
B
SEC
N
O
P
B2560 STARTER CONTROL RELAY
DescriptionINFOID:0000000003814971
Starter control relay NISSAN TEANA 2008 Service Manual B2560 STARTER CONTROL RELAY
SEC-55
< COMPONENT DIAGNOSIS >[INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
MA
B
SEC
N
O
P
B2560 STARTER CONTROL RELAY
DescriptionINFOID:0000000003814971
Starter control relay](/manual-img/5/57391/w960_57391-4063.png)
B2560 STARTER CONTROL RELAY
SEC-55
< COMPONENT DIAGNOSIS >[INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
MA
B
SEC
N
O
P
B2560 STARTER CONTROL RELAY
DescriptionINFOID:0000000003814971
Starter control relay, integrated in IPDM E/R, permits the starter relay operation when in the N or P position
and the steering is locked or unlocked. It is installed in parallel with the starter relay.
DTC LogicINFOID:0000000003814972
DTC DETECTION LOGIC
NOTE:
If DTC B2560 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
SEC-28, "
BCM : DTC Logic"
If DTC B2560 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 and wait for at least 2 seconds.
- 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-55, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000003814973
1.CHECK DTC WITH IPDM E/R
Check “Self diagnostic result” with CONSULT-III. Refer to SEC-191, "
DTCIndex".
Is the inspection result normal?
YES >> GO TO 2.
NO >> Replace IPDM E/R. Refer to PCS-34, "
Removal and Installation".
2.CHECK INTERMITTENT INCIDENT
Refer to GI-35, "
Intermittent Incident"
>> INSPECTION END
DTC Self-diagnosis name DTC detecting condition Possible causes
B2560 STARTER CONTROL RELAYBCM detects a mismatch between the OFF re-
quest of starter control relay to IPDM E/R and the
feedback. (The feedback is ON instead of OFF.)IPDM E/R