Nissan Pathfinder. Manual — part 1062
B2602 SHIFT POSITION
SEC-111
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
Check DTC in “Self-Diagnostic Result” mode 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 ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)
Check DTC in “Self-Diagnostic Result” mode of “ABS” using CONSULT.
Is DTC detected?
YES
>> Perform the trouble diagnosis related to the detected DTC. Refer to
.
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 (park 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)
SEC-111, "Component Inspection"
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Replace CVT shift selector. Refer to
TM-189, "Removal and Installation"
6.
CHECK INTERMITTENT INCIDENT
GI-49, "Intermittent Incident"
.
>> Inspection End.
Component Inspection
INFOID:0000000009176028
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-189, "Removal and Installation"
CVT shift selector (park position switch)
BCM
Continuity
Connector
Terminal
Connector
Terminal
M78
6
M18
20
Yes
CVT shift selector (park position switch)
Ground
Continuity
Connector
Terminal
M78
6
No
CVT shift selector (park position switch)
Condition
Continuity
Terminal
5
6
Selector lever
P (Park) position
No
Other than above
Yes
SEC-112
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
B2603 SHIFT POSITION
B2603 SHIFT POSITION
DTC Logic
INFOID:0000000009176029
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. 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-112, "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-112, "Diagnosis Procedure"
.
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000009176030
Regarding Wiring Diagram information, refer to
.
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.
Is the inspection result normal?
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 TCM: 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
(TCM circuit is open or shorted.)
• CVT shift selector (park position
switch)
• CVT assembly (TCM)
• 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
B2603 SHIFT POSITION
SEC-113
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
YES
>> Refer to
GI-49, "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 TCM connector.
4. Check continuity between TCM harness connector and BCM harness connector.
5. Check continuity between TCM 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. Refer to the CON-
SULT Immobilizer mode and follow the on-screen instructions.
>> Inspection End.
5.
CHECK DTC OF TCM
Check DTC in “Self Diagnostic Result” mode of “TCM” using CONSULT.
Is DTC detected?
YES
>> Perform the trouble diagnosis related to the detected DTC. Refer to
NO
>> Perform the trouble diagnosis related to the TCM power and ground circuits. Refer to
.
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 (park position switch) harness connector and ground.
(+)
(–)
Condition
Voltage (V)
(Approx.)
BCM
Connector
Terminal
M18
39
Ground
Selector lever
P or N position
12
Other than above
0
TCM
BCM
Continuity
Connector
Terminal
Connector
Terminal
F15
20
M18
39
Yes
TCM
Ground
Continuity
Connector
Terminal
F15
20
No
SEC-114
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
B2603 SHIFT POSITION
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> Repair or replace harness.
7.
CHECK CVT SHIFT SELECTOR POWER SUPPLY CIRCUIT
1. Disconnect BCM connector.
2. Check continuity between CVT shift selector (park 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 8.
NO
>> Repair or replace harness.
8.
CHECK CVT SHIFT SELECTOR CIRCUIT
1. Disconnect BCM connector and IPDM E/R connector.
2. Check continuity between CVT shift selector (park 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 9.
NO
>> Repair or replace harness.
9.
CHECK CVT SHIFT SELECTOR (PARK POSITION SWITCH)
SEC-115, "Component Inspection"
Is the inspection result normal?
YES
>> GO TO 10.
NO
>> Replace CVT shift selector. Refer to
TM-189, "Removal and Installation"
10.
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. Refer to the CON-
SULT Immobilizer mode and follow the on-screen instructions.
(+)
(–)
Voltage (V)
(Approx.)
CVT shift selector (park positionswitch)
Connector
Terminal
M78
5
Ground
12
CVT shift selector (park position switch)
BCM
Continuity
Connector
Terminal
Connector
Terminal
M78
5
M19
69
Yes
CVT shift selector (park position switch)
Ground
Continuity
Connector
Terminal
M78
5
No
CVT shift selector (park position switch)
BCM
Continuity
Connector
Terminal
Connector
Terminal
M78
6
M18
20
Yes
CVT shift selector (park position switch)
Ground
Continuity
Connector
Terminal
M78
6
No
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