Nissan Versa Note. Manual — part 702
B2603 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
B2603 SHIFT POSITION
DTC Logic
INFOID:0000000009705890
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 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
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 mode of BCM using CONSULT.
Is DTC detected?
YES
>> Go to
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000009705891
Regarding Wiring Diagram information, refer to
.
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 condition
Possible 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)
SEC-88
< 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 switch harness connector and IPDM E/R harness connec-
tor.
Is the inspection result normal?
YES
>> Replace IPDM E/R. Refer to
PCS-31, "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
7
Ground
Battery voltage
Transmission range switch
IPDM E/R
Continuity
Connector
Terminal
Connector
Terminal
F52
7
E45
21
Yes
(+)
(–)
Condition
Voltage (V)
(Approx.)
BCM
Connector
Terminal
M98
102
Ground
Selector lever
P or N position
Battery voltage
Other than above
0
Transmission range switch
BCM
Continuity
Connector
Terminal
Connector
Terminal
F52
10
M98
102
Yes
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
YES
>> GO TO 7.
NO
>> Repair or replace harness.
7.
CHECK TRANSMISSION RANGE SWITCH
SEC-90, "Component Inspection (Transmission Range Switch)"
.
Is the inspection result normal?
YES
>> GO TO 12.
NO
>> Replace transmission range switch.
8.
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.
Is the inspection result normal?
YES
>> GO TO 10.
NO
>> GO TO 9.
9.
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 12.
NO
>> Repair or replace harness.
10.
CHECK CVT SHIFT SELECTOR 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?
(+)
(–)
Voltage (V)
(Approx.)
CVT shift selector (park position switch)
Connector
Terminal
M38
7
Ground
12
CVT shift selector (park position switch)
BCM
Continuity
Connector
Terminal
Connector
Terminal
M38
7
M98
104
Yes
CVT shift selector (park position switch)
Ground
Continuity
Connector
Terminal
M38
7
No
CVT shift selector (park position switch)
BCM
Continuity
Connector
Terminal
Connector
Terminal
M38
8
M97
37
Yes
CVT shift selector (park position switch)
Ground
Continuity
Connector
Terminal
M38
8
No
SEC-90
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
B2603 SHIFT POSITION
YES
>> GO TO 11.
NO
>> Repair or replace harness.
11.
CHECK CVT SHIFT SELECTOR (PARK POSITION SWITCH)
SEC-90, "Component Inspection [CVT Shift Selector (Park Position Switch)]"
.
Is the inspection result normal?
YES
>> GO TO 13.
NO
>> Replace CVT shift selector. Refer to
TM-229, "Removal and Installation"
12.
CHECK INTERMITTENT INCIDENT
GI-41, "Intermittent Incident"
>> Inspection End.
13.
REPLACE BCM
1. Replace BCM. Refer to
BCS-70, "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.
Component Inspection (Transmission Range Switch)
INFOID:0000000009705892
1.
CHECK TRANSMISSION RANGE SWITCH
1. Turn ignition switch OFF.
2. Disconnect transmission range switch connector.
3. Check continuity between transmission range switch terminals.
Is the inspection result normal?
YES
>> Inspection End
NO
>> Replace transmission range switch.
Component Inspection [CVT Shift Selector (Park Position Switch)]
INFOID:0000000009705893
1.
CHECK CVT SHIFT SELECTOR (DETENTION 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-229, "Removal and Installation"
Transmission range switch
Condition
Continuity
Terminal
7
10
P or N position
Yes
Other than above
No
CVT shift selector (detention switch)
Condition
Continuity
Terminal
7
8
Selector lever: P position
Selector button: Released
No
Selector button: Pressed
Yes
Selector lever: Other than P position
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