Page 857 of 4801

B2621 INSIDE ANTENNADLK-89
< DTC/CIRCUIT DIAGNOSIS >
C
D E
F
G H
I
J
L
M A
B
DLK
N
O P
NO >> GO TO 2.
2.CHECK INSIDE KEY ANTENNA CIRCUIT
1. Disconnect BCM connector and inside key antenna (rear parcel shelf) connector.
2. Check continuity between BCM harness connector and inside key antenna (rear parcel shelf) harness
connector.
3. Check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace harness.
3.CHECK INSIDE KEY ANTENNA INPUT SIGNAL 2
1. Replace inside key antenna (rear parcel shelf). (New antenna or other antenna)
2. Connect BCM connector and inside key antenna (rear parcel shelf) connector.
3. Check signal between BCM harness connector and ground using oscilloscope.
Is the inspection result normal?
YES >> Replace inside key antenna (rear parcel shelf).
NO >> Replace BCM. Refer to BCS-80, "Removal and Installation"
.
BCM Inside key antenna (rear parcel shelf)
Continuity
Connector Terminal Connector Terminal
M19 100
B29 1
Ye s
99 2
BCM GroundContinuity
Connector Terminal
M19 100
No
99
(+)
(–) Condition Signal
(Reference value)
BCM
Connector Terminal
M19 100, 99 Ground When Intelligent Key is in the an-
tenna detection area
When Intelligent Key is not in the
antenna detection area
JMKIA3839GB
JMKIA5951GB
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM
Page 858 of 4801

DLK-90
< DTC/CIRCUIT DIAGNOSIS >
B2622 INSIDE ANTENNA
B2622 INSIDE ANTENNA
DTC LogicINFOID:0000000009461816
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Select INTELLIGENT KEY of BCM using CONSULT.
2. Select INSIDE ANT DIAGNOSIS in WORK SUPPORT mode.
3. Perform inside key antenna (INSIDE ANT DIAGNO SIS) on WORK SUPPORT of INTELLIGENT KEY.
4. Check BCM for DTC.
Is inside key antenna DTC detected?
YES >> Refer to DLK-90, "Diagnosis Procedure".
NO >> Inside key antenna (front console) is OK.
Diagnosis ProcedureINFOID:0000000009461817
Regarding Wiring Diagram information, refer to DLK-61, "Wiring Diagram".
1.CHECK INSIDE KEY ANTENNA INPUT SIGNAL 1
1. Turn ignition switch OFF.
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 >> GO TO 2.
DTC CONSULT display
description DTC detecting condition Possible cause
B2622 INSIDE ANTENNA An excessive high or low voltage from inside anten-
na (front console) is sent to BCM. • Inside key antenna (front console)
• Harness or connector [Inside key antenna (front console)
circuit is open or shorted]
(+)
(–) Condition Signal
(Reference value)
BCM
Connector Terminal
M20 116, 128 Ground When Intelligent Key is in the an-
tenna detection area
When Intelligent Key is not in the
antenna detection area
JMKIA3839GB
JMKIA5951GB
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM
Page 859 of 4801

B2622 INSIDE ANTENNADLK-91
< DTC/CIRCUIT DIAGNOSIS >
C
D E
F
G H
I
J
L
M A
B
DLK
N
O P
2.CHECK INSIDE KEY ANTENNA CIRCUIT
1. Disconnect BCM connector and inside key antenna (front console) connector.
2. Check continuity between BCM harness connector and inside key antenna (front console) harness con-
nector.
3. Check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace harness.
3.CHECK INSIDE KEY ANTENNA INPUT SIGNAL 2
1. Replace inside key antenna (front console). (New antenna or other antenna)
2. Connect BCM connector and inside key antenna (front console) connector.
3. Check signal between BCM harness connector and ground using oscilloscope.
Is the inspection result normal?
YES >> Replace inside key antenna (front console). Refer to DLK-220, "CONSOLE : Removal and Instal-
lation".
NO >> Replace BCM. Refer to BCS-80, "Removal and Installation"
.
BCM Inside key antenna (front console)
Continuity
Connector Terminal Connector Terminal
M20 11 6
M81 1
Ye s
128 2
BCM GroundContinuity
Connector Terminal
M20 11 6
No
128
(+)
(–) Condition Signal
(Reference value)
BCM
Connector Terminal
M20 116, 128 Ground When Intelligent Key is in the an-
tenna detection area
When Intelligent Key is not in the
antenna detection area
JMKIA3839GB
JMKIA5951GB
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM
Page 860 of 4801

DLK-92
< DTC/CIRCUIT DIAGNOSIS >
B26FD SHIFT LOCK SOLENOID
B26FD SHIFT LOCK SOLENOID
DTC LogicINFOID:0000000009461818
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Turn ignition switch ON.
2. Check “Self Diagnostic Result” mode of “BCM” using CONSULT.
Is DTC detected?
YES >> Refer to DLK-92, "Diagnosis Procedure".
NO >> Shift lock solenoid is OK.
Diagnosis ProcedureINFOID:0000000009461819
Regarding Wiring Diagram information, refer to DLK-61, "Wiring Diagram".
1. CHECK POWER SOURCE (STOP LAMP SWITCH)
1. Turn ignition switch OFF.
2. Disconnect stop lamp switch connector.
3. Check voltage between stop lamp switch connector E38 terminal 1 and ground.
Is the inspection result normal?
YES >> GO TO 2.
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])
2.CHECK STOP LAMP SWITCH
Check stop lamp switch. Refer to BRC-78, "Diagnosis Procedure"
.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Replace stop lamp switch. Refer to BR-18, "Exploded View"
.
3.CHECK GROUND CIRCUIT (STOP LAMP RELAY)
1. Remove the stop lamp relay.
2. Check continuity between stop lamp relay connector E57 terminal 1 and ground.
Is the inspection result normal?
DTC CONSULT display
description DTC detecting condition Possible cause
B26FD SHIFT LOCK SOLE-
NOID BCM shift lock solenoid output control is OFF but
shift lock solenoid output feedback is ON. • Shift lock solenoid
• Harness or connector
• Shift lock solenoid circuit is open or shorted
Stop lamp switch
GroundVoltage
Connector Terminal
E38 1 Battery voltage
Sto p l am p rela y GroundContinuity
Connector Terminal (+)
E57 1 Yes
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM
Page 861 of 4801

B26FD SHIFT LOCK SOLENOIDDLK-93
< DTC/CIRCUIT DIAGNOSIS >
C
D E
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G H
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M A
B
DLK
N
O P
YES >> GO TO 4.
NO >> Repair or replace damaged parts.
4.CHECK HARNESS BETWEEN STOP LAMP RELAY AND BCM
1. Check continuity between stop lamp relay connecto r E57 terminal 3 and BCM connector M17 terminal 27.
Is the inspection result normal?
YES >> GO TO 5.
NO >> Repair or replace damaged parts.
5.CHECK HARNESS BETWEEN STOP LAMP SWITCH AND STOP LAMP RELAY
1. Check continuity between stop lamp relay connector E57 terminal 2 and stop lamp switch connector E38
terminal 2.
Is the inspection result normal?
YES >> GO TO 6.
NO >> Repair or replace damaged parts.
6.CHECK GROUND CIRCUIT (STOP LAMP RELAY)
1. Remove the stop lamp relay.
2. Check continuity between stop lamp relay connector E57 terminal 1 and ground.
Is the inspection result normal?
YES >> GO TO 7.
NO >> Repair or replace damaged parts.
7.CHECK POWER SOURCE (STOP LAMP RELAY)
1. Check voltage between stop lamp relay connector E57 terminal 5 and ground.
Is the inspection result normal?
YES >> GO TO 8.
NO >> Repair or replace damaged parts.
8.CHECK HARNESS BETWEEN BCM AND CVT SHIFT SELECTOR FOR OPEN
1. Disconnect CVT shift selector connector.
2. Check continuity between BCM connector M20 termi nal 108 and CVT shift selector connector M23 termi-
nal 3.
BCM Stop lamp relay Continuity
Connector Terminal Connector Terminal
M17 27 E57 3 Yes
Stop lamp switch Stop lamp relay Continuity
Connector Terminal Connector Terminal
E38 2 E57 2 Yes
St op la mp rel ay GroundContinuity
Connector Terminal (+)
E57 1 Yes
St op la mp rel ay GroundContinuity
Connector Terminal (+)
E57 5 Battery voltage
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Page 862 of 4801
DLK-94
< DTC/CIRCUIT DIAGNOSIS >
B26FD SHIFT LOCK SOLENOID
Is the inspection result normal?
YES >> GO TO 9.
NO >> Repair or replace damaged parts.
9.CHECK HARNESS BETWEEN BCM AND CVT SHIFT SELECTOR FOR SHORT CIRCUIT
Check continuity between BCM connector M20 terminal 108 and ground.
Is the inspection result normal?
YES >> GO TO 10.
NO >> Repair or replace damaged parts.
10.CHECK GROUND CIRCUIT (CVT SHIFT SELECTOR)
Check continuity between CVT shift sele ctor connector M23 terminal 4 and ground.
Is the inspection result normal?
YES >> Replace shift lock solenoid. Refer to TM-179, "Exploded View".
NO >> Repair or replace damaged parts.
BCM CVT shift selector Continuity
Connector Terminal Connector Terminal
M20 108 M23 3 Yes
BCM GroundContinuity
Connector Terminal
M20 108 No
CVT shift selector GroundContinuity
Connector Terminal
M23 4 Yes
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM
Page 863 of 4801

B26FE HOOD SWITCHDLK-95
< DTC/CIRCUIT DIAGNOSIS >
C
D E
F
G H
I
J
L
M A
B
DLK
N
O P
B26FE HOOD SWITCH
DTC LogicINFOID:0000000009461820
DTC DETECTION LOGIC
NOTE:
• If DTC B26FE is displayed with DTC U1000, firs t perform the trouble diagnosis for DTC U1000. Refer to
BCS-68, "DTC Logic"
.
• If DTC B26FE is displayed with DTC U1010, firs t 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. Check Self Diagnostic Result mode of BCM using CONSULT.
Is DTC detected?
YES >> Refer to DLK-95, "Diagnosis Procedure".
NO >> Hood switch is OK.
Diagnosis ProcedureINFOID:0000000009461821
Regarding Wiring Diagram information, refer to DLK-61, "Wiring Diagram".
1.CHECK HOOD SWITCH SIGNAL CIRCUITS
1. Turn ignition switch OFF.
2. Disconnect hood switch connector.
3. Check voltage between hood switch harness connector and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> GO TO 2.
2.CHECK HOOD SWITCH SIGNAL CIRCUITS
1. Disconnect IPDM E/R connector.
2. Check continuity between IPDM E/R har ness connector and hood switch harness connector.
DTCCONSULT display
description DTC detecting condition Possible cause
B26FE HOOD SWITCH BCM detects that the hood switch input is malfunc-
tioning. • Hood switch
• Harness or connector
[hood switch circuit is open or
shorted]
(+)
(–)Voltage (V)
(Approx.)
Hood switch
Connector Terminal
E248 1
Ground Battery voltage
2
IPDM E/R Hood switch Continuity
Connector Terminal Connector Terminal
E201 94
E248 1
Ye s
96 2
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Page 864 of 4801

DLK-96
< DTC/CIRCUIT DIAGNOSIS >
B26FE HOOD SWITCH
3. Check continuity between IPDM E/R harness connector and ground.
Is the inspection result normal?
YES >> Replace IPDM E/R. Refer to PCS-32, "Removal and Installation".
NO >> Repair or replace harness.
3.CHECK HOOD SWITCH GROUND CIRCUIT
Check continuity between hood switch harness connector and ground.
Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair or replace harness.
4.CHECK HOOD SWITCH
Refer to DLK-96, "Component Inspection"
.
Is the inspection result normal?
YES >> GO TO 5.
NO >> Replace hood switch. Refer to DLK-176, "HOOD LOCK CONTROL : Removal and Installation"
.
5.CHECK BCM CONFIGURATION
Refer to BCS-66, "CONFIGURATION (BCM) : Configuration list"
.
>> Inspection End.
Component InspectionINFOID:0000000009461822
1.CHECK HOOD SWITCH
1. Turn ignition switch OFF.
2. Disconnect hood switch connector.
3. Check continuity between hood switch terminals.
Is the inspection result normal?
YES >> Inspection End.
NO >> Replace hood switch. Refer to DLK-176, "HOOD LOCK CONTROL : Removal and Installation"
.
IPDM E/R
GroundContinuity
Connector Terminal
E201 94
No
96
Hood switch
GroundContinuity
Connector Terminal
E248 3 Yes
Hood switch Condition Continuity
Te r m i n a l
1 3 Hood switch Press No
1 3 Hood switch Release Yes
2 3 Hood switch Press No
2 3 Hood switch Release Yes
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM