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

SEC-82, "DTC Logic"

.

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 

SEC-87, "Diagnosis Procedure"

.

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 

SEC-87, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000009705891

Regarding Wiring Diagram information, refer to 

SEC-40, "Wiring Diagram"

.

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

Refer to 

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)

Refer to 

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

Refer to 

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