Nissan Quest E52. Manual - part 1097

SEC-78

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

B2601 SHIFT POSITION

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness.

3.

REPLACE BCM

1.

Replace BCM. Refer to 

BCS-98, "Removal and Installation"

.

2.

Perform initialization of BCM and registration of all Intelligent Keys using CONSULT.

3.

Perform DTC CONFIRMATION PROCEDURE for DTC B2601. Refer to 

SEC-77, "DTC Logic"

.

Is DTC B2601 detected again?

YES

>> Replace IPDM E/R. Refer to 

PCS-36, "Removal and Installation"

.

NO

>> INSPECTION END

CVT shift selector (detention switch)

Ground

Continuity

Connector

Terminal

M57

9

Not existed

B2602 SHIFT POSITION

SEC-79

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

B2602 SHIFT POSITION

DTC Logic

INFOID:0000000009650740

DTC DETECTION LOGIC

NOTE:
• If DTC B2602 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to

BCS-87, "DTC Logic"

.

• If DTC B2602 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to

BCS-88, "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-79, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000009650741

1.

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 

BRC-38, "DTC Index"

.

NO

>> GO TO 2.

2.

CHECK DTC OF COMBINATION METER

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 

MWI-48, "DTC Index"

.

NO

>> GO TO 3.

3.

CHECK CVT SHIFT SELECTOR POWER SUPPLY

1.

Turn ignition switch OFF.

2.

Disconnect CVT shift selector (detention switch) connector.

3.

Check voltage between CVT shift selector (detention switch) harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 6.

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 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 (detention switch) 
circuit is open or shorted.]

• CVT shift selector (detention switch)
• Combination meter
• BCM

(+)

(–)

Voltage (V)

(Approx.)

CVT shift selector (detention switch)

Connector

Terminal

M57

8

Ground

9 - 16

SEC-80

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

B2602 SHIFT POSITION

NO

>> GO TO 4.

4.

CHECK CVT SHIFT SELECTOR POWER SUPPLY CIRCUIT

1.

Disconnect BCM connector.

2.

Check continuity between CVT shift selector (detention switch) harness connector and BCM harness con-
nector.

3.

Check continuity between CVT shift selector (detention switch) 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-98, "Removal and Installation"

.

2.

Perform initialization of BCM and registration of all Intelligent Keys using CONSULT.

>> INSPECTION END

6.

CHECK CVT SHIFT SELECTOR CIRCUIT

1.

Disconnect BCM connector and IPDM E/R connector.

2.

Check continuity between CVT shift selector (detention switch) harness connector and BCM harness con-
nector.

3.

Check continuity between CVT shift selector (detention switch) harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 7.

NO

>> Repair or replace harness.

7.

CHECK CVT SHIFT SELECTOR (DETENTION SWITCH)

Refer to 

SEC-81, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 8.

NO

>> Replace CVT shift selector. Refer to 

TM-154, "Removal and Installation"

.

8.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-42, "Intermittent Incident"

.

>> INSPECTION END

CVT shift selector (detention switch)

BCM

Continuity

Connector

Terminal

Connector

Terminal

M57

8

M124

104

Existed

CVT shift selector (detention switch)

Ground

Continuity

Connector

Terminal

M57

8

Not existed

CVT shift selector (detention switch)

BCM

Continuity

Connector

Terminal

Connector

Terminal

M57

9

M121

37

Existed

CVT shift selector (detention switch)

Ground

Continuity

Connector

Terminal

M57

9

Not existed

B2602 SHIFT POSITION

SEC-81

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

Component Inspection

INFOID:0000000009650742

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 (detention switch) terminals.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace CVT shift selector. Refer to 

TM-154, "Removal and Installation"

.

CVT shift selector (detention switch)

Condition

Continuity

Terminal

8

9

Selector lever: P position

Selector button: Released

Not existed

Selector button: Pressed

Existed

Selector lever: Except P position