Nissan Altima L32. Manual - part 1329

SEC-466

< COMPONENT DIAGNOSIS >

[SEDAN WITHOUT INTELLIGENT KEY]

B2560 STARTER CONTROL RELAY

B2560 STARTER CONTROL RELAY

Description

INFOID:0000000004499134

Starter control relay, integrated in IPDM E/R, permits the starter relay operation when in N or P position and

the steering is locked or unlocked. It is installed in parallel with the starter relay.

DTC Logic

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DTC DETECTION LOGIC

NOTE:

• If DTC B2560 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to

SEC-433, "DTC Logic"

.

• If DTC B2560 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to

SEC-434, "DTC Logic"

.

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1. Turn ignition switch ON under the following conditions and wait for at least 2 seconds:

-

CVT selector lever is in the P position.

-

Depress the brake pedal.

2. Check “Self Diagnostic Result” with CONSULT-III.
Is DTC detected?

YES

>> Refer to 

SEC-466, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000004499136

1.

CHECK DTC WITH IPDM E/R

Check “Self Diagnostic Result” with CONSULT-III. Refer to 

PCS-45, "DTC Index"

.

Is the inspection result normal?

YES

>> GO TO 2

NO

>> Repair or replace malfunctioning parts.

2.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-42, "Intermittent Incident"

.

>> Inspection End.

DTC

Self-diagnosis name

DTC detecting condition

Possible causes

B2560

STARTER CONTROL 
RELAY

BCM detects a mismatch between the OFF re-
quest of starter control relay to IPDM E/R and the 
feedback. (The feedback is ON instead of OFF.)

• IPDM  E/R

B2601 SHIFT POSITION

SEC-467

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B

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N

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B2601 SHIFT POSITION

Description

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BCM confirms the shift position with the following 2 signals.

• CVT selector lever

• P position signal from IPDM E/R (CAN)

DTC Logic

INFOID:0000000004499138

DTC DETECTION LOGIC

NOTE:

• If DTC B2601 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to

SEC-433, "DTC Logic"

.

• If DTC B2601 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to

SEC-434, "DTC Logic"

.

• If DTC B2601 is displayed with DTC B2605, first perform the trouble diagnosis for DTC B2605. Refer to

SEC-477, "DTC Logic"

.

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1. Turn ignition switch ON under the following conditions, and wait for at least 2 seconds.

-

CVT selector lever is in the P position.

-

Do not depress the brake pedal.

2. Check “Self diagnostic result” with CONSULT-III.

3. Turn ignition switch ON under the following conditions, and wait for at least 2 seconds.

-

CVT selector lever is in other than P position.

-

Do not depress the brake pedal.

4. Check “Self diagnostic result” with CONSULT-III.
Is DTC detected?

YES

>> Refer to 

SEC-467, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000004499139

1.

CHECK CVT DEVICE POWER SUPPLY

1. Turn ignition switch to ACC.

2. Disconnect CVT device (park position switch) harness connector.

3. Check voltage between CVT device (park position switch) har-

ness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3

NO

>> GO TO 2

2.

CHECK CVT DEVICE POWER SUPPLY CIRCUIT

1. Disconnect BCM harness connector.

DTC No.

Trouble diagnosis 

name

DTC detecting condition

Possible cause

B2601

SHIFT POSITION

BCM detects when a difference between the shift 
P input signal and the shift position signal received 
from IPDM E/R via CAN communication continues 
for 2 seconds or more

• Harness or connectors

(CVT device circuit is open or shorted.)

• CVT device

CVT device (park position switch)

Ground

Voltage [V]

Connector

Terminal

M23

8

Ground

Battery voltage

ALKIA1349ZZ

SEC-468

< COMPONENT DIAGNOSIS >

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B2601 SHIFT POSITION

2. Check continuity between BCM harness connector M19 (A) ter-

minal 84 and CVT device (park position switch) harness connec-

tor M23 (B) terminal 8.

3. Check continuity between BCM harness connector M19 (A) ter-

minal 84 and ground.

Is the inspection result normal?

YES

>> Replace BCM. Refer to 

BCS-96, "Removal and Installation"

.

NO

>> Repair harness or connector.

3.

CHECK CVT DEVICE CIRCUIT (BCM)

1. Disconnect BCM harness connector and IPDM E/R harness connector.

2. Check continuity between BCM harness connector M19 (A) ter-

minal 87 and CVT device (park position switch) harness connec-

tor M23 (B) terminal 9.

3. Check continuity between BCM harness connector M19 (A) ter-

minal 87 and ground.

Is the inspection result normal?

YES

>> GO TO 4

NO

>> Repair harness or connector.

4.

CHECK CVT DEVICE CIRCUIT (IPDM E/R)

1. Disconnect BCM harness connector.

2. Check continuity between CVT device (park position switch)

harness connector M23 (A) terminal 9 and IPDM E/R harness

connector E17 (B) terminal 43.

3. Check continuity between CVT device (park position switch)

harness connector M23 (A) terminal 9 and ground.

BCM

CVT device (park position switch)

Continuity

Connector

Terminal

Connector

Terminal

A: M19

84

B: M23

8

Yes

BCM

Ground

Continuity

Connector

Terminal

A: M19

84

Ground

No

ALKIA0445ZZ

BCM

CVT device (park position switch)

Continuity

Connector

Terminal

Connector

Terminal

A: M19

87

B: M23

9

Yes

BCM

Ground

Continuity

Connector

Terminal

A: M19

87

Ground

No

ALKIA0446ZZ

CVT device

(park position switch)

IPDM E/R

Continuity

Connector

Terminal

Connector

Terminal

A: M23

9

B: E17

43

Yes

ALKIA0447ZZ

B2601 SHIFT POSITION

SEC-469

< COMPONENT DIAGNOSIS >

[SEDAN WITHOUT INTELLIGENT KEY]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

Is the inspection result normal?

YES

>> GO TO 5

NO

>> Repair harness or connector.

5.

CHECK CVT DEVICE

Refer to 

SEC-469, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 6

NO

>> Replace CVT device. Refer to 

TM-431, "Removal and Installation"

.

6.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-42, "Intermittent Incident"

.

>> Inspection End.

Component Inspection

INFOID:0000000004499140

1.

CHECK CVT DEVICE (PARK POSITION SWITCH)

1. Turn ignition switch OFF.

2. Disconnect CVT device (park position switch) harness connector.

3. Check continuity between CVT device (park position switch) ter-

minals as follows.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Replace CVT device. Refer to 

TM-431, "Removal and Installation"

.

CVT device

(park position switch)

Ground

Continuity

Connector

Terminal

A: M23

9

Ground

No

CVT device

(park position switch)

Condition

Continuity

Terminal

8

9

CVT selector lever

P position

No

Other than above

Yes

ALKIA0448ZZ