SEC-100
< DTC/CIRCUIT DIAGNOSIS >
B2560 STARTER CONTROL RELAY
B2560 STARTER CONTROL RELAY
DescriptionINFOID:0000000009461158
Starter control relay, integrated in IPDM E/R, permits the starter relay operation when in N (Neutral) or P (Park)
position.
DTC LogicINFOID:0000000009461159
DTC DETECTION LOGIC
NOTE:
• If DTC B2560 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
BCS-68, "DTC Logic"
.
• If DTC B2560 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 under the following conditions and wait for at least 2 seconds:
- CVT selector lever is in the P (Park) position.
- Depress the brake pedal.
2. Check “Self-Diagnostic Result” with CONSULT.
Is DTC detected?
YES >> Refer to SEC-100, "Diagnosis Procedure".
NO >> Inspection End.
Diagnosis ProcedureINFOID:0000000009461160
1.CHECK DTC WITH IPDM E/R
Check “Self Diagnostic Result” with CONSULT. Refer to PCS-20, "DTC Index"
.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair or replace malfunctioning parts.
2.CHECK INTERMITTENT INCIDENT
Refer to GI-43, "Intermittent Incident"
.
>> Inspection End.
DTC Self-diagnosis name DTC detecting condition Possible causes
B2560 STARTER CONTROL
RELAY BCM 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
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM
B2601 SHIFT POSITIONSEC-101
< DTC/CIRCUIT DIAGNOSIS >
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B2601 SHIFT POSITION
DTC LogicINFOID:0000000009461161
DTC DETECTION LOGIC
NOTE:
• If DTC B2601 is displayed with DTC U1000, first per form the trouble diagnosis for DTC U1000. Refer to
BCS-68, "DTC Logic"
.
• If DTC B2601 is displayed with DTC U1010, first per form the trouble diagnosis for DTC U1010. Refer to
BCS-69, "DTC Logic"
.
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Shift the selector lever to the P (Park) position.
2. Turn ignition switch ON and wait 2 seconds or more.
3. Shift the selector lever to any position ot her than P (Park) and wait 2 seconds or more.
4. Check DTC in Self-Diagnostic Result mode of BCM using CONSULT.
Is DTC detected?
YES >> Go to SEC-101, "Diagnosis Procedure".
NO >> Inspection End.
Diagnosis ProcedureINFOID:0000000009461162
Regarding Wiring Diagram information, refer to SEC-29, "Wiring Diagram".
1.CHECK CVT SHIFT SELECTOR SWITCH FUNCTION
1. Turn ignition switch ON.
2. Select “DETE/CANCEL SW” and "DETENT SW - IPDM" in DATA MONITOR mode with CONSULT.
3. Check “DETE/CANCEL SW” and "DETENT SW - IP DM" indication under the following conditions.
Is the inspection result normal?
YES >> Refer to GI-43, "Intermittent Incident".
NO-1 >> If DETE/CANCEL SW function is incorrect. GO TO 2.
NO-2 >> If DETENT SW - IPDM function is incorrect. GO TO 5.
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
B2601 SHIFT POSITION When there is a difference between P (Park)
range signal from CVT shift selector (park posi-
tion switch) and P (Park) 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.]
• CVT shift selector (park position switch)
•BCM
Monitor item Condition Indication
DETE/CANCEL
SW CVT Shift se-
lector In any position oth-
er than P (Park) OFF
P (Park) ON
DETENT SW -
IPDM CVT Shift se-
lector In any position oth-
er than P (Park) OFF
P (Park) ON
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM
B2601 SHIFT POSITIONSEC-103
< DTC/CIRCUIT DIAGNOSIS >
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Component InspectionINFOID:0000000009461163
1.CHECK CVT SHIFT SELECTOR (PARK POSITION SWITCH)
1. Turn ignition switch OFF.
2. Disconnect CVT shift selector connector.
3. Check continuity between CVT shift selector (park position switch) terminals.
Is the inspection result normal?
YES >> Inspection End.
NO >> Replace CVT shift selector. Refer to TM-179, "Exploded View"
.
CVT shift selector (park position switch)
Condition Continuity
Te r m i n a l
56Selector lever P (Park) position No
Other than above Yes
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM
SEC-104
< DTC/CIRCUIT DIAGNOSIS >
B2602 SHIFT POSITION
B2602 SHIFT POSITION
DTC LogicINFOID:0000000009461164
DTC DETECTION LOGIC
NOTE:
• If DTC B2602 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
BCS-68, "DTC Logic"
.
• If DTC B2602 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. Start engine.
2. Drive vehicle at a speed of 4 km/h (2.5 MPH) or more for 10 seconds or more.
3. Check DTC in Self-Diagnostic Result mode of BCM using CONSULT.
Is DTC detected?
YES >> Go to SEC-104, "Diagnosis Procedure".
NO >> Inspection End.
Diagnosis ProcedureINFOID:0000000009461165
Regarding Wiring Diagram information, refer to SEC-29, "Wiring Diagram".
1.CHECK CVT SHIFT SELECTOR SWITCH FUNCTION
1. Turn ignition switch ON.
2. Select “DETE/CANCEL SW” and "VEH SPEED 1" in DATA MONITOR mode with CONSULT.
3. Check “DETE/CANCEL SW” and "VEH SPEED 1" indication under the following conditions.
Is the inspection result normal?
YES >> Refer to GI-43, "Intermittent Incident".
NO-1 >> If DETE/CANCEL SW is incorrect. GO TO 4.
NO-2 >> If VEH SPEED 1 is incorrect. GO TO 2.
2.CHECK DTC OF COMBINATION METER
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
B2602 SHIFT POSITION BCM detects the following status for 10 seconds.
• Selector lever is in the P (Park) position
• Vehicle speed is 4 km/h (2.5 MPH) or more
• Ignition switch is in the ON position • Harness or connectors
(CAN communication line is open or
shorted.)
• Harness or connectors [CVT shift selector (park position
switch) circuit is open or shorted.]
• CVT shift selector (park position switch)
• Combination meter
•BCM
Monitor item Condition Indication
DETE/CANCEL
SW CVT Shift se-
lector In any position oth-
er than P (Park) OFF
P (Park) ON
VEH SPEED 1 Vehicle not moving 0
Vehicle moving Varies
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM
B2602 SHIFT POSITIONSEC-105
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Check DTC in “Self-Diagnostic Result” mode of “METER/M&A” using CONSULT.
Is DTC detected?
YES >> Perform the trouble diagnosis rela ted to the detected DTC. Refer to MWI-27, "DTC Index".
NO >> GO TO 3.
3.CHECK DTC OF ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)
Check DTC in “Self-Diagnostic Resu lt” mode of “ABS” using CONSULT.
Is DTC detected?
YES >> Perform the trouble diagnosis rela ted to the detected DTC. Refer to BRC-45, "DTC Index".
NO >> GO TO 6.
4.CHECK CVT SHIFT SELECTOR CIRCUIT
1. Disconnect BCM connector and IPDM E/R connector.
2. Check continuity between CVT shift selector (p ark position switch) harness connector and BCM harness
connector.
3. Check continuity between CVT shift selector (park position switch) harness connector and ground.
Is the inspection result normal?
YES >> GO TO 5.
NO >> Repair or replace harness.
5.CHECK CVT SHIFT SELECTOR (PARK POSITION SWITCH)
Refer to SEC-105, "Component Inspection"
.
Is the inspection result normal?
YES >> GO TO 6.
NO >> Replace CVT shift selector. Refer to TM-179, "Removal and Installation"
.
6.CHECK INTERMITTENT INCIDENT
Refer to GI-43, "Intermittent Incident"
.
>> Inspection End.
Component InspectionINFOID:0000000009461166
1.CHECK CVT SHIFT SELECTOR (PARK POSITION SWITCH)
1. Turn ignition switch OFF.
2. Disconnect CVT shift selector connector.
3. Check continuity between CVT shift selector (park position switch) terminals.
Is the inspection result normal?
YES >> Inspection End.
NO >> Replace CVT shift selector. Refer to TM-179, "Removal and Installation"
.
CVT shift selector (park position switch) BCM
Continuity
Connector Terminal Connector Terminal
M23 6 M17 20 Yes
CVT shift selector (park position switch) GroundContinuity
Connector Terminal
M23 6 No
CVT shift selector (park position switch) Condition Continuity
Te r m i n a l
56Selector lever P (Park) position No
Other than above Yes
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM
SEC-106
< DTC/CIRCUIT DIAGNOSIS >
B2603 SHIFT POSITION
B2603 SHIFT POSITION
DTC LogicINFOID:0000000009461167
DTC DETECTION LOGIC
NOTE:
• If DTC B2603 is displayed with DTC B2601, first per form the trouble diagnosis for DTC B2601. Refer to
SEC-101, "DTC Logic"
.
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE 1
1. Shift the selector lever to the P (Park) position.
2. Turn ignition switch ON and wait 1 second or more.
3. Check DTC in Self-Diagnostic Result mode of BCM using CONSULT.
Is DTC detected?
YES >> Go to SEC-106, "Diagnosis Procedure".
NO >> GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE 2
1. Shift the selector lever to any position other than P (Park) 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-106, "Diagnosis Procedure".
NO >> Inspection End.
Diagnosis ProcedureINFOID:0000000009461168
Regarding Wiring Diagram information, refer to SEC-29, "Wiring Diagram".
1.CHECK CVT SHIFT SELECTOR SWITCH FUNCTION
1. Turn ignition switch ON.
2. Select “DETE/CANCEL SW” and "SFT PN/N SW" in DATA MONITOR mode with CONSULT.
3. Check “DETE/CANCEL SW” and "SFT PN/N SW" indication under the following conditions.
DTC No. Trouble diagnosis name DTC detecting condition Possible causes
B2603 SHIFT POSI STATUS BCM detects the following status when ignition
switch is in the ON position.
• P (Park) position signal from transmission
range switch: 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
Monitor item Condition Indication
DETE/CANCEL
SW CVT Shift se-
lector In any position oth-
er than P (Park) OFF
P (Park) ON
SFT PN/N SW CVT Shift se-
lector In any position oth-
er than P (Park) OFF
P (Park) ON
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM
B2603 SHIFT POSITIONSEC-107
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Is the inspection result normal?
YES >> Refer to GI-43, "Intermittent Incident".
NO-1 >> If DETE/CANCEL SW is incorrect. GO TO 6.
NO-2 >> If SFT PN/N SW is incorrect. GO TO 2.
2.CHECK BCM INPUT SIGNAL
1. Turn ignition switch ON.
2. Check voltage between BCM harness connector and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace harness.
3.CHECK BCM INPUT SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connector.
3. Disconnect transmission range switch connector.
4. Check continuity between transmission range switch harness connector and BCM harness connector.
5. Check continuity between transmissi on range switch harness connector and ground.
Is the inspection result normal?
YES >> GO TO 4.
NO >> GOT TO 5.
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.
5.CHECK DTC OF TCM
Check DTC in “Self Diagnostic Resu lt” mode of “TCM” using CONSULT.
Is DTC detected?
YES >> Perform the trouble diagnosis rela ted to the detected DTC. Refer to TM-60, "DTC Index".
NO >> Perform the trouble diagnosis related to the TCM power and ground circuits. Refer to TM-164,
"Diagnosis Procedure".
6.CHECK CVT SHIFT SELECTOR POWER SUPPLY
1. Turn ignition switch OFF.
2. Disconnect CVT shift selector (park position switch) connector.
3. Check voltage between CVT shift selector (p ark position switch) harness connector and ground.
(+)
(–) Condition Voltage (V)
(Approx.)
BCM
Connector Terminal
M17 39 Ground Selector lever P or N position 12
Other than above 0
Transmission Range Switch BCM Continuity
Connector Terminal Connector Terminal
F85 2 M17 39 Yes
Transmission Range Switch GroundContinuity
Connector Terminal
F85 2 No
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM
B2603 SHIFT POSITIONSEC-109
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>> Inspection End.
Component InspectionINFOID:0000000009461169
1.CHECK CVT SHIFT SELECTOR (PARK POSITION SWITCH)
1. Turn ignition switch OFF.
2. Disconnect CVT shift selector connector.
3. Check continuity between CVT shift selector (park position switch) terminals.
Is the inspection result normal?
YES >> Inspection End.
NO >> Replace CVT shift selector. Refer to TM-179, "Removal and Installation"
.
CVT shift selector (park position switch)
Condition Continuity
Te r m i n a l
56Selector lever P (Park) position No
Other than above Yes
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM