DIAGNOSIS SYSTEM (BCM)SEC-21
< SYSTEM DESCRIPTION > [WITH INTELLIGENT KEY SYSTEM]
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*: Initial Setting
THEFT ALM
THEFT ALM : CONSULT Fu nction (BCM - THEFT)INFOID:0000000012542528
DATA MONITOR
ACTIVE TEST
IMMU
IMMU : CONSULT Function (BCM - IMMU)INFOID:0000000012542527
SELF DIAGNOSTIC RESULT
Refer to BCS-50, "DTCIndex".
DATA MONITOR
AUTO LOCK SET MODE7 5 min
Auto door lock time setting.
MODE6 4 min
MODE5 3 min
MODE4 2 min
MODE3* 1 min
MODE2 30 sec
MODE1 Off
Support Item
Setting Description
Monitored Item Description
REQ SW -DR [On/Off] Indicates condition of door request switch LH.
REQ SW -AS [On/Off] Indicates condition of door request switch RH.
REQ SW -BD/TR [On/Off] Indicates condition of back door request switch.
PUSH SW [On/Off] Indicates condition of push-button ignition switch.
UNLK SEN -DR [On/Off] Indicates condition of door unlock sensor.
DOOR SW-DR [On/Off] Indicates condition of front door switch LH.
DOOR SW-AS [On/Off] Indicates condition of front door switch RH.
DOOR SW-RR [On/Off] Indicates condition of rear door switch RH.
DOOR SW-RL [On/Off] Indicates condition of rear door switch LH.
DOOR SW-BK [On/Off] Indicates condition of back door switch.
CDL LOCK SW [On/Off] Indicates condition of lock signal from door lock and unlock switch.
CDL UNLOCK SW [On/Off] Indicates condition of unlock signal from door lock and unlock switch.
KEY CYL LK-SW [On/Off] Indicates condition of lo ck signal from door key cylinder switch.
KEY CYL UN-SW [On/Off] Indicates condition of unlock signal from door key cylinder switch.
RKE-LOCK [On/Off] Indicates condition of lock signal from Intelligent Key.
RKE-UNLOCK [On/Off] Indicates condition of unlock signal from Intelligent Key.
Test Item Description
VEHICLE SECURITY HORN This test is able to check vehicle security horn operation [On].
FLASHER This test is able to check turn signal lamp operation [LH/RH/Off].
THEFT IND This test is able to check security indicator lamp operation [On/Off].
HEAD LAMP(HI) This test is able to check vehicle security lamp operation [On].
Revision: August 2015 2016 Versa Note
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B2198 NATS ANTENNA AMP.SEC-59
< DTC/CIRCUIT DIAGNOSIS > [WITH INTELLIGENT KEY SYSTEM]
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B2198 NATS ANTENNA AMP.
DTC LogicINFOID:0000000012430371
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Make the conditions that BCM enters in the low power consumption mode (BCM sleep condition).
Refer to BCS-13, "
POWER CONSUMPTION CONTROL SY STEM : System Description".
2. Turn ignition switch ON.
3. Check DTC in “Self Diagnostic Result” of “BCM” using CONSULT.
Is DTC detected?
YES >> Go to SEC-59, "Diagnosis Procedure".
NO >> Inspection End.
Diagnosis ProcedureINFOID:0000000012430372
Regarding Wiring Diagram information, refer to SEC-37, "Wiring Diagram".
1.CHECK FUSE
1. Turn power switch OFF.
2. Check that the following fuse in IPDM E/R is not blown.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Replace the blown fuse after repairing the cause of blowing.
2.CHECK NATS ANTENNA AMP. POWER SUPPLY
1. Disconnect NATS antenna amp. connector.
2. Check voltage between NATS antenna amp. harness connector and ground.
Is the inspection result normal?
YES >> GO TO 4.
NO >> GO TO 3.
3.CHECK NATS ANTENNA AMP. POWER SUPPLY CIRCUIT
1. Disconnect IPDM E/R connector.
2. Check continuity between IPDM E/R har ness connector and NATS antenna amp. connector.
DTC No. Trouble diagnosis name DTC detecting conditionPossible cause
B2198 NATS ANTENNA AMP Inactive communication between NATS
antenna amp. and BCM is detected when
BCM enters in the low power consumption
mode. (BCM sleep condition) • Harness or connectors
(NATS antenna amp. circuit is open or
shorted.)
• NATS antenna amp.
•BCM
Signal name Fuse No.
Battery power supply 53 (20 A)
(+)
(–)Voltage (V)
(Approx.)
NATS antenna amp.
Connector Terminal
M21 1GroundBattery voltage
Revision: August 2015 2016 Versa Note
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SEC-62
< DTC/CIRCUIT DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
B2555 STOP LAMP
B2555 STOP LAMP
DTC LogicINFOID:0000000012430373
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Depress brake pedal and wait 1 second or more.
2. Check DTC in “Self Diagnostic Result” of “BCM” using CONSULT.
Is DTC detected?
YES >> Go to SEC-62, "Diagnosis Procedure".
NO >> Inspection End.
Diagnosis ProcedureINFOID:0000000012430374
Regarding Wiring Diagram information, refer to SEC-37, "Wiring Diagram".
1.CHECK STOP LAMP SWITCH INPUT SIGNAL 1
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-1 >> Check 10 A fuse [No. 30, located in the fuse block (J/B)].
NO-2 >> Check harness for open or short between BCM and fuse.
2.CHECK STOP LAMP SWIT CH POWER SUPPLY CIRCUIT
1. Disconnect stop lamp switch connector.
2. Check voltage between stop lamp switch 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 diagnosis name DTC detecting conditionPossible cause
B2555 STOP LAMP CIRCUIT 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
(+)
(–)Voltage (V)
(Approx.)
BCM
Connector Terminal
M98 105GroundBattery voltage
(+)
(–)Voltage (V)
(Approx.)
Stop lamp switch
Connector Terminal
E13 (CVT) 1GroundBattery voltage
E57 (MT)
Revision: August 2015 2016 Versa Note
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B2555 STOP LAMPSEC-63
< DTC/CIRCUIT DIAGNOSIS > [WITH INTELLIGENT KEY SYSTEM]
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3.CHECK STOP LAMP SWITCH INPUT SIGNAL 2
1. Connect stop lamp switch connector.
2. Check voltage between BCM harness connector and ground.
Is the inspecting result normal?
YES >> GO TO 4.
NO >> GO TO 5.
4.REPLACE BCM
1. Replace BCM. Refer to BCS-74, "
Removal and Installation".
2. Perform initialization of BCM and registration of al l Intelligent Keys using CONSULT. Refer to the CON-
SULT Immobilizer mode and follow the on-screen instructions.
>> Inspection End.
5.CHECK STOP LAMP SWITCH CIRCUIT
1. Disconnect stop lamp switch connector.
2. Check continuity between stop lamp switch harness connector and BCM harness connector.
3. Check continuity between stop lamp switch harness connector and ground.
Is the inspection result normal?
YES >> GO TO 6.
NO >> Repair or replace harness.
6.CHECK STOP LAMP SWITCH
Refer to SEC-63, "
Component Inspection".
Is the inspection result normal?
YES >> GO TO 7.
NO >> Replace stop lamp switch. Refer to BR-20, "
Exploded View".
7.CHECK INTERMITTENT INCIDENT
Refer to GI-42, "
Intermittent Incident".
>> Inspection End.
Component InspectionINFOID:0000000012430375
1.CHECK STOP LAMP SWITCH
1. Turn ignition switch OFF.
(+)
(–)Condition Voltage (V)
(Approx.)
BCM
Connector Terminal
M97 9Ground Brake pedal Depressed Battery voltage
Not depressed 0
St op la mp sw i tc h BC M
Continuity
Connector TerminalConnector Terminal
E13 (CVT) 2M979 Y es
E57 (MT)
St op la mp sw i tc h GroundContinuity
Connector Terminal
E13 (CVT) 2N o
E57 (MT)
Revision: August 2015 2016 Versa Note
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B2556 PUSH-BUTTON IGNITION SWITCHSEC-65
< DTC/CIRCUIT DIAGNOSIS > [WITH INTELLIGENT KEY SYSTEM]
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B2556 PUSH-BUTTON IGNITION SWITCH
DTC LogicINFOID:0000000012430376
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” of “BCM” using CONSULT.
Is DTC detected?
YES >> Go to SEC-65, "Diagnosis Procedure".
NO >> Inspection End.
Diagnosis ProcedureINFOID:0000000012430377
Regarding Wiring Diagram information, refer to SEC-37, "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 conditionPossible cause
B2556 ENG START 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
M25 8GroundBattery voltage
Push-button ignition switch BCM
Continuity
Connector TerminalConnector Terminal
M25 8M98 76Yes
Push-button ignition switch GroundContinuity
Connector Terminal
M25 8 No
Revision: August 2015 2016 Versa Note
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SEC-68
< DTC/CIRCUIT DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
B2601 SHIFT POSITION
B2601 SHIFT POSITION
DTC LogicINFOID:0000000012430381
DTC DETECTION LOGIC
NOTE:
• If DTC B2601 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
BCS-63, "
DTC Logic".
• If DTC B2601 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to BCS-64, "
DTC Logic".
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Shift the selector lever to the P position.
2. Turn ignition switch ON and wait 2 seconds or more.
3. Shift the selector lever to any position other than P and wait 2 seconds or more.
4. Check DTC in “Self Diagnostic Result” of “BCM” using CONSULT.
Is DTC detected?
YES >> Go to SEC-68, "Diagnosis Procedure".
NO >> Inspection End.
Diagnosis ProcedureINFOID:0000000012430382
Regarding Wiring Diagram information, refer to SEC-37, "Wiring Diagram".
1.CHECK CVT SHIFT SELECTOR CIRCUIT (BCM)
1. Turn ignition switch OFF.
2. Disconnect CVT shift selector (park position switch) connector.
3. Disconnect BCM connector.
4. Check continuity between CVT shift selector (p ark position switch) harness connector and BCM harness
connector.
5. Check continuity between CVT shift selector (park position switch) harness connector and ground.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair or replace harness.
DTC No. Trouble diagnosis name DTC detecting conditionPossible cause
B2601 SHIFT P SIGNAL When there is a difference between P range
signal from CVT shift selector (park position
switch) and P position signal from IPDM E/R
(CAN). • Harness or connectors
(CAN communication line is open or
shorted.)
• Harness or connectors [CVT shift selector (park position
switch) circuit is open or shorted.]
• IPDM E/R
•BCM
CVT shift selector (park position switch) BCM
Continuity
Connector TerminalConnector Terminal
M38 8M97 37Yes
CVT shift selector (park position switch) GroundContinuity
Connector Terminal
M38 8 No
Revision: August 2015 2016 Versa Note
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B2603 SHIFT POSITIONSEC-73
< DTC/CIRCUIT DIAGNOSIS > [WITH INTELLIGENT KEY SYSTEM]
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B2603 SHIFT POSITION
DTC LogicINFOID:0000000012430386
DTC DETECTION LOGIC
NOTE:
• If DTC B2603 is displayed with DTC B2601, first perform the trouble diagnosis for DTC B2601. Refer to SEC-68, "
DTC Logic".
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE 1
1. Shift the selector lever to the P position.
2. Turn ignition switch ON and wait 1 second or more.
3. Check DTC in “Self Diagnostic Result” of “BCM” using CONSULT.
Is DTC detected?
YES >> Go to SEC-73, "Diagnosis Procedure".
NO >> GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE 2
1. Shift the selector lever to the position other than P and N, and wait 1 second or more.
2. Check DTC in “Self Diagnostic Result” of “BCM” using CONSULT.
Is DTC detected?
YES >> Go to SEC-73, "Diagnosis Procedure".
NO >> Inspection End.
Diagnosis ProcedureINFOID:0000000012430387
Regarding Wiring Diagram information, refer to SEC-37, "Wiring Diagram".
1.INSPECTION START
Perform inspection in accordance with procedure that confirms DTC.
Which procedure confirms DTC?
DTC confirmation procedure 1>>GO TO 2.
DTC confirmation procedure 2>>GO TO 8.
2.CHECK FUSE
1. Turn power switch OFF.
2. Check that the following fuse in IPDM E/R is not blown.
Is the inspection result normal?
DTC No. Trouble diagnosis name DTC detecting conditionPossible causes
B2603 SHIFT POSITION BCM detects the following status when ignition
switch is in the ON position:
• Transmission range switch signal: approx. 0
V.
• CVT shift selector (park position switch) sig- nal: approx. 0 V. • Harness or connector
[CVT shift selector (park position
switch) circuit is open or shorted.]
• Harness or connectors (Transmission range switch circuit is
open or shorted.)
• CVT shift selector (park position switch)
• Transmission range switch
•BCM
Signal name Fuse No.
Ignition power supply 49 (10 A)
Revision: August 2015 2016 Versa Note
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SEC-74
< DTC/CIRCUIT DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
B2603 SHIFT POSITION
YES >> GO TO 3.
NO >> Replace the blown fuse after repairing the cause of blowing.
3.CHECK TRANSMISSION RANGE SWITCH POWER SUPPLY
1. Disconnect transmission range switch connector.
2. Turn ignition switch ON.
3. Check voltage between transmission range switch harness connector and ground.
Is the inspection result normal?
YES >> GO TO 5.
NO >> GO TO 4.
4.CHECK TRANSMISSION RANGE SWITCH POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R connector.
3. Check continuity between transmission range s witch harness connector and IPDM E/R harness connec-
tor.
Is the inspection result normal?
YES >> Replace IPDM E/R. Refer to PCS-30, "Removal and Installation".
NO >> Repair or replace harness.
5.CHECK BCM INPUT SIGNAL
1. Turn ignition switch OFF.
2. Connect transmission range switch harness connector.
3. Turn ignition switch ON.
4. Check voltage between BCM harness connector and ground.
Is the inspection result normal?
YES >> GO TO 13.
NO >> GO TO 6.
6.CHECK BCM INPUT SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect transmission range switch connector.
3. Disconnect BCM connector.
4. Check continuity between transmission range switch harness connector and BCM harness connector.
Is the inspection result normal?
(+)
(–)Voltage (V)
(Approx.)
Transmission range switch
Connector Terminal
F52 7GroundBattery voltage
Transmission range switch IPDM E/R
Continuity
Connector TerminalConnector Terminal
F52 7E45 21Yes
(+)
(–)Condition Voltage (V)
(Approx.)
BCM
Connector Terminal
M98 102Ground Selector lever P or N position Battery voltage
Other than above 0
Transmission range switch BCM
Continuity
Connector TerminalConnector Terminal
F52 10M98 102Yes
Revision: August 2015 2016 Versa Note
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