Nissan Leaf. Instruction — part 1081
SEC-86
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
B2602 SHIFT POSITION
B2602 SHIFT POSITION
DTC Logic
INFOID:0000000010119274
DTC DETECTION LOGIC
NOTE:
• If DTC B2602 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
.
• If DTC B2602 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to
.
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1. Set vehicle to READY.
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” of “BCM” using CONSULT.
Is DTC detected?
YES
>> Go to
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000010119275
Regarding Wiring Diagram information, refer to
.
1.
CHECK DTC OF ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)
Check DTC in “Self Diagnostic Result” of “ABS” using CONSULT.
Is DTC detected?
YES
>> Perform the trouble diagnosis related to the detected DTC. Refer to
.
NO
>> GO TO 2.
2.
CHECK DTC OF COMBINATION METER
Check DTC in “Self Diagnostic Result” of “METER/M&A” using CONSULT.
Is DTC detected?
YES
>> Perform the trouble diagnosis related to the detected DTC. Refer to
.
NO
>> GO TO 3.
3.
CHECK DTC OF VCM
Check DTC in “Self Diagnostic Result” of “SHIFT” using CONSULT.
Is DTC detected?
YES
>> Perform the trouble diagnosis related to the detected DTC. Refer to
NO
>> GO TO 4.
4.
CHECK P POSITION SIGNAL CIRCUIT
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
B2602
SHIFT P DIAG
BCM detects the following status for 10 seconds.
• Electric shift selector is in the P position
• Vehicle speed is 4 km/h (2.5 MPH) or more
• Power switch is in the ON position
• Harness or connectors
(CAN communication line is open or
shorted.)
• Harness or connectors
(VCM circuit is open or shorted.)
• VCM
• ABS actuator and electric unit (con-
trol unit)
• Combination meter
• BCM
B2602 SHIFT POSITION
SEC-87
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
1. Turn power switch OFF.
2. Disconnect BCM connector.
3. Disconnect VCM connector.
4. Check continuity between BCM harness connector and VCM harness connector.
5. Check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace harness.
5.
REPLACE BCM
1. Replace BCM. Refer to
BCS-72, "Removal and Installation"
.
2. Perform initialization of BCM and registration of all Intelligent Keys using CONSULT. Refer to the CON-
SULT Immobilizer mode and follow the on screen instructions.
>> Inspection End.
BCM
VCM
Continuity
Connector
Terminal
Connector
Terminal
M24
37
E61
48
Yes
BCM
Ground
Continuity
Connector
Terminal
M24
37
No
SEC-88
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
B2603 SHIFT POSITION
B2603 SHIFT POSITION
DTC Logic
INFOID:0000000010119276
DTC DETECTION LOGIC
NOTE:
• If DTC B2603 is displayed with DTC B2601, first perform the trouble diagnosis for DTC B2601. Refer to
.
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE 1
1. Turn power switch ON.
2. Operate electric shift selector to change shift position to P, and wait 1 second or more.
3. Check DTC in “Self Diagnostic Result” of “BCM” using CONSULT.
Is DTC detected?
YES
>> Go to
NO
>> GO TO 2.
2.
PERFORM DTC CONFIRMATION PROCEDURE 2
1. Operate electric shift selector to change shift position to any position other than P, and wait 1 second or
more.
2. Check DTC in “Self Diagnostic Result” of “BCM” using CONSULT.
Is DTC detected?
YES
>> Go to
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000010119277
Regarding Wiring Diagram information, refer to
.
1.
INSPECTION START
Perform inspection in accordance with the procedure that confirms DTC.
Which procedure confirms DTC?
DTC confirmation procedure 1>>GO TO 2.
DTC confirmation procedure 2>>GO TO 5.
2.
CHECK DTC OF VCM
Check DTC in “Self Diagnostic Result” of “SHIFT” using CONSULT.
Is DTC detected?
YES
>> Perform the trouble diagnosis related to the detected DTC. Refer to
NO
>> GO TO 3.
3.
CHECK P/N POSITION SIGNAL CIRCUIT
1. Turn power switch OFF.
2. Disconnect BCM connector.
3. Disconnect VCM connector.
4. Check continuity between BCM harness connector and VCM harness connector.
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible causes
B2603
SHIFT POSITION
BCM detects the following status.
• P position signal from VCM: approx. 0 V (P
position)
• P/N position signal from VCM: approx. 0 V
(Other than P/N position)
• Harness or connector
(VCM circuit is open or shorted.)
• VCM
• BCM
B2603 SHIFT POSITION
SEC-89
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
5. Check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace harness.
4.
REPLACE BCM
1. Replace BCM. Refer to
BCS-72, "Removal and Installation"
.
2. Perform initialization of BCM and registration of all Intelligent Keys using CONSULT. Refer to the CON-
SULT Immobilizer mode and follow the on screen instructions.
>> Inspection End.
5.
CHECK DTC OF VCM
Check DTC in “Self Diagnostic Result” of “SHIFT” using CONSULT.
Is DTC detected?
YES
>> Perform the trouble diagnosis related to the detected DTC. Refer to
NO
>> GO TO 6.
6.
CHECK P POSITION SIGNAL CIRCUIT
1. Turn power switch OFF.
2. Disconnect BCM connector.
3. Disconnect VCM connector.
4. Check continuity between BCM harness connector and VCM harness connector.
5. Check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> Repair or replace harness.
7.
REPLACE BCM
1. Replace BCM. Refer to
BCS-72, "Removal and Installation"
.
2. Perform initialization of BCM and registration of all Intelligent Keys using CONSULT. Refer to the CON-
SULT Immobilizer mode and follow the on screen instructions.
>> Inspection End.
BCM
VCM
Continuity
Connector
Terminal
Connector
Terminal
M23
102
E61
47
Yes
BCM
Ground
Continuity
Connector
Terminal
M23
102
No
BCM
VCM
Continuity
Connector
Terminal
Connector
Terminal
M24
37
E61
48
Yes
BCM
Ground
Continuity
Connector
Terminal
M24
37
No
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