2014 NISSAN TEANA ignition

B2195 ANTI-SCANNINGSEC-89
< DTC/CIRCUIT DIAGNOSIS >
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B2195 ANTI-SCANNING
DTC LogicINFOID:0000000009461143
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Turn ignition switch ON.
2. Check DTC in “Self-Diagnostic Result” mode of “BCM” using CONSULT.
Is DTC detected?
YES >> Refer to SEC-89, "Diagnosis Procedure".
NO >> Inspection End.
Diagnosis ProcedureINFOID:0000000009461144
1.CHECK SELF-DIAGNOSTIC RESULT 1
1. Select “Self-Diagnostic Result ” mode of “BCM” using CONSULT.
2. Erase DTC.
3. Perform DTC CONFIRMATION PROCEDURE for DTC B2195. Refer to SEC-89, "DTC Logic"
.
Is DTC detected?
YES >> GO TO 2.
NO >> Inspection End.
2.CHECK EQUIPMENT OF THE VEHICLE
Check that unspecified accessory part related to engine start is not installed.
Is unspecified accessory part related to engine start installed?
YES >> GO TO 3.
NO >> GO TO 4.
3.CHECK SELF DIAGNOSTIC RESULT 2
1. Obtain the customers approval to remove unspecified accessory part related to engine start, and then remove it.
2. Select “Self-Diagnostic Result” of “BCM” using CONSULT.
3. Erase DTC.
4. Perform DTC CONFIRMATION PROCEDURE for DTC B2195. Refer to SEC-89, "DTC Logic"
.
Is DTC detected?
YES >> GO TO 4.
NO >> Inspection End.
4.REPLACE BCM
1. Replace BCM. Refer to BCS-80, "Removal and Installation"
.
2. Perform initialization of BCM and registration of all Intelligent Keys using CONSULT.
>> Inspection End.
DTC No. Trouble diagnosis name DTC detecting condition Possible causeB2195 ANTI-SCANNING ID verification between BCM and ECM that is
out of the designated specification is detected. ID verification request out of the des-
ignated specification
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

SEC-90
< DTC/CIRCUIT DIAGNOSIS >
B2196 DONGLE UNIT
B2196 DONGLE UNIT
DescriptionINFOID:0000000009461145
BCM performs ID verification between BCM and dongle unit.
When verification result is OK, BCM permits cranking.
DTC LogicINFOID:0000000009461146
DTC DETECTION LOGIC
NOTE:
• If DTC B2196 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
BCS-68, "DTC Logic"
.
• If DTC B2196 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to BCS-69, "DTC Logic"
.
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Turn ignition switch ON.
2. Turn ignition switch OFF.
3. Turn ignition switch ON.
4. Check “Self-diagnosis result” using CONSULT.
Is the DTC detected?
YES >> Refer to SEC-90, "Diagnosis Procedure".
NO >> Inspection End.
Diagnosis ProcedureINFOID:0000000009461147
Regarding Wiring Diagram information, refer to SEC-40, "Wiring Diagram".
1.PERFORM INITIALIZATION
1. Perform initialization of BCM and reregistration of all Intelligent Keys using CONSULT.
2. Start the engine.
Dose the engine start?
YES >> Inspection End.
NO >> GO TO 2.
2.CHECK DONGLE UNIT CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connector and dongle unit connector.
3. Check continuity between BCM harness connector and dongle unit harness connector.
4. Check continuity between BCM harness connector and ground.
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
B2196 DONGLE NG The ID verification results between BCM
and dongle unit is NG. • Harness or connectors
(Dongle unit circuit is open or shorted.)
• Dongle unit
BCM Dongle unit Continuity
Connector Terminal Connector Terminal
M1852M1591 Yes
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

SEC-92
< DTC/CIRCUIT DIAGNOSIS >
B2198 NATS ANTENNA AMP.
B2198 NATS ANTENNA AMP.
DTC LogicINFOID:0000000009461148
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE 1
1. Contact Intelligent Key back side to push-button ignition switch.
2. Check DTC in Self-Diagnostic Result mode of BCM using CONSULT.
Is DTC detected?
YES >> GO TO SEC-92, "Diagnosis Procedure".
NO >> GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE 2
1. Press the push-button ignition switch.
2. Check DTC in Self-Diagnostic Result mode of BCM using CONSULT.
Is DTC detected?
YES >> GO TO SEC-92, "Diagnosis Procedure".
NO >> Inspection End.
Diagnosis ProcedureINFOID:0000000009461149
Regarding Wiring Diagram information, refer to SEC-40, "Wiring Diagram".
1.CONNECTOR INSPECTION
1. Disconnect BCM and NATS antenna amp.
2. Check connectors and terminals for deformation, disconnection, looseness or damage.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair or replace as necessary.
2.CHECK NATS ANTENNA AMP. CIRCUIT
1. Disconnect BCM connector and NATS antenna amp. connector.
2. Check continuity between BCM harness c onnector and NATS antenna amp. harness connector.
3. Check continuity between BCM harness connector and ground.
DTC No.Trouble diagnosis
name DTC detecting condition Possible cause
B2198 NATS ANTENNA
AMP Inactive communication between NATS antenna
amp. and BCM. • Harness or connectors
(The NATS antenna amp. circuit is
open or shorted)
• NATS antenna amp.
•BCM
BCM NATS antenna amp. Continuity
Connector Terminal Connector Terminal
M20 126
M40 3
Ye s
127 1
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

B2198 NATS ANTENNA AMP.SEC-93
< DTC/CIRCUIT DIAGNOSIS >
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Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace harness.
3.CHECK NATS ANTENNA AMP INPUT SIGNAL 1
1. Turn ignition switch ON.
2. Check signal between BCM harness connector and ground using oscilloscope.
Is the inspection result normal?
YES >> Replace BCM. Refer to BCS-80, "Removal and Installation".
NO >> Replace NATS antenna amp. Refer to SEC-135, "Removal and Installation"
.
BCM
GroundContinuity
Connector Terminal
M20 126
No
127
(+)
(–) Condition Signal
(Reference value)
BCM
Connector Terminal
M20 126, 127 Ground When Intelligent Key is in the
antenna detection area
When Intelligent Key is not in
the antenna detection area
JMKIA3839GB
JMKIA5951GB
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

SEC-94
< DTC/CIRCUIT DIAGNOSIS >
B2555 STOP LAMP
B2555 STOP LAMP
DTC LogicINFOID:0000000009461150
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Depress the brake pedal and wait 1 second or more.
2. Check DTC in “Self-Diagnostic Result” mode of “BCM” using CONSULT.
Is DTC detected?
YES >> Go to SEC-94, "Diagnosis Procedure".
NO >> Inspection End.
Diagnosis ProcedureINFOID:0000000009461151
Regarding Wiring Diagram information, refer to SEC-29, "Wiring Diagram".
1. CHECK STOP LAMP SWITCH INPUT SIGNAL
1. Turn ignition switch OFF.
2. Disconnect BCM connector M17.
3. Check voltage between BCM harness connector and ground.
Is the inspection result normal?
YES >> GO TO 8.
NO >> GO TO 2.
2. CHECK POWER SOURCE (STOP LAMP SWITCH)
1. Disconnect stop lamp switch connector.
2. Check voltage between stop lamp switch connector E38 terminal 1 and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Check the following: • Harness for short or open between fuse block (J/B) and stop lamp switch
• 10A fuse (No. 10, located in fuse block [J/B])
3.CHECK STOP LAMP SWITCH
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
B2555 STOP LAMP BCM 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
•BCM
(+) (-) Condition Voltage (V)
BCM
Connector Terminal Ground Brake pedal Depressed Battery voltage
M17 27 Not depressed 0
Stop lamp switch GroundVoltage
Connector Terminal
E38 1 Battery voltage
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

SEC-96
< DTC/CIRCUIT DIAGNOSIS >
B2555 STOP LAMP
9.REPLACE BCM
1. Replace BCM. Refer to BCS-80, "Removal and Installation"
.
2. Perform initialization of BCM and registration of all Intelligent Keys using CONSULT.
>> Inspection End.
10.CHECK INTERMITTENT INCIDENT
Refer to GI-43, "Intermittent Incident"
.
>> Inspection End.
Component InspectionINFOID:0000000009461152
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-18, "Exploded View"
.
Stop lamp switch
Condition Continuity
Te r m i n a l
1 2 Brake pedal Not depressed No
Depressed Yes
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

B2556 PUSH-BUTTON IGNITION SWITCHSEC-97
< DTC/CIRCUIT DIAGNOSIS >
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B2556 PUSH-BUTTON IGNITION SWITCH
DTC LogicINFOID:0000000009461153
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Press push-button ignition switch under the following condition:
- Brake pedal: Not depressed
2. Release push-button ignition switch and wait 100 seconds or more.
3. Check DTC in Self-Diagnostic Result mode of BCM using CONSULT.
Is DTC detected?
YES >> GO TO SEC-97, "Diagnosis Procedure".
NO >> Inspection End.
Diagnosis ProcedureINFOID:0000000009461154
Regarding Wiring Diagram information, refer to SEC-29, "Wiring Diagram".
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 result normal?
YES >> GO TO 4.
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.
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
B2556 PUSH-BTN IGN SW BCM 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 M38 8 Ground 12
Push-button ignition switch BCM Continuity
Connector Terminal Connector Terminal
M38 8 M17 1 Yes
Push-button ignition switch GroundContinuity
Connector Terminal
M38 8 No
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

SEC-98
< DTC/CIRCUIT DIAGNOSIS >
B2556 PUSH-BUTTON IGNITION SWITCH
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace harness.
3.REPLACE BCM
1. Replace BCM. Refer to BCS-80, "Removal and Installation"
.
2. Perform initialization of BCM and registration of all Intelligent Keys using CONSULT.
>> Inspection End.
4.CHECK PUSH-BUTTON IGNITION SWITCH
Refer to SEC-98, "Component Inspection"
.
Is the inspection result normal?
YES >> GO TO 5.
NO >> Replace push-button ignition switch. Refer to SEC-136, "Removal and Installation"
.
5.CHECK INTERMITTENT INCIDENT
Refer to GI-43, "Intermittent Incident"
.
>> Inspection End.
Component InspectionINFOID:0000000009461155
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-136, "Removal and Installation"
.
Push-button ignition switch
Condition Continuity
Te r m i n a l
48 Push-button ignition
switch Pressed Yes
Not pressed No
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM