Nissan X-Trail 32. Manual - part 1879

B2608 STARTER RELAY

SEC-283

< DTC/CIRCUIT DIAGNOSIS >

[WITHOUT INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

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M

A

B

SEC

N

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B2608 STARTER RELAY

DTC Description

INFOID:0000000010922296

DTC DETECTION LOGIC

POSSIBLE CAUSE

• Harness or connectors 

(CAN communication line is open or shorted.)

• Harness or connectors 

(Starter relay circuit is open or shorted.)

• IPDM E/R

FAIL-SAFE

Inhibit engine cranking

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Turn ignition switch ON.

2.

Check DTC in “Self Diagnostic Result” mode of “BCM” using CONSULT.

Is DTC detected?

YES

>> Refer to 

SEC-283, "Diagnosis Procedure"

.

NO-1

>> To check malfunction symptom before repair: Refer to 

GI-44, "Intermittent Incident"

.

NO-2

>> Confirmation after repair: INSPECTION END

Diagnosis Procedure

INFOID:0000000010922297

1.

CHECK DTC OF IPDM E/R

Check DTC in “Self Diagnostic Result” mode of “IPDM E/R” using CONSULT.

Is DTC detected?

YES

>> Perform the trouble diagnosis related to the detected DTC. Refer to 

PCS-38, "DTC Index"

.

NO

>> GO TO 2.

2.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-44, "Intermittent Incident"

.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace IPDM E/R. Refer to 

PCS-60, "Removal and Installation"

.

DTC No.

CONSULT screen items

(Trouble diagnosis content)

DTC detecting condition

B2608-00

STARTER RELAY
(Starter relay)

BCM outputs starter relay OFF signal but BCM receives starter relay 
ON signal from IPDM E/R (CAN).

SEC-284

< DTC/CIRCUIT DIAGNOSIS >

[WITHOUT INTELLIGENT KEY SYSTEM]

B260F ENGINE STATUS

B260F ENGINE STATUS

DTC Description

INFOID:0000000010922298

DTC DETECTION LOGIC

POSSIBLE CAUSE

• Harness or connectors 

(CAN communication line is open or shorted.)

• ECM

FAIL-SAFE

Inhibit engine cranking

DTC CONFIRMATION PROCEDURE

1.

CHECK DTC PRIORITY

If DTC B260F-00 is displayed with DTC U1000-00 or U1010-00, first perform the trouble diagnosis for DTC
U1000-00 or U1010-00.

Is applicable DTC detected?

YES

>> Perform diagnosis of applicable. U1000-00: Refer to 

BCS-110, "DTC Description"

 U1010-00:

Refer to 

BCS-111, "DTC Description"

.

NO

>> GO TO 2.

2.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Turn ignition switch ON and wait 2 seconds or more.

2.

Check DTC in “Self Diagnostic Result” mode of “BCM” using CONSULT.

Is DTC detected?

YES

>> Refer to 

SEC-284, "Diagnosis Procedure"

.

NO-1

>> To check malfunction symptom before repair: Refer to 

GI-44, "Intermittent Incident"

.

NO-2

>> Confirmation after repair: INSPECTION END

Diagnosis Procedure

INFOID:0000000010922299

1.

CHECK DTC PRIORITY

If DTC B260F-00 is displayed with DTC U1000-00 or U1010-00, first perform the trouble diagnosis for DTC
U1000-00 or U1010-00.

Is applicable DTC detected?

YES

>> Perform diagnosis of applicable. U1000-00: Refer to 

BCS-110, "DTC Description"

 U1010-00:

Refer to 

BCS-111, "DTC Description"

.

NO

>> GO TO 2.

2.

INSPECTION START

1.

Turn ignition switch ON.

2.

Select “Self Diagnostic Result” mode of “BCM” using CONSULT.

3.

Touch “ERASE”.

4.

Perform DTC CONFIRMATION PROCEDURE for DTC B260F-00. Refer to 

SEC-284, "DTC Description"

.

Is DTC detected?

YES

>> GO TO 3.

NO

>> INSPECTION END

3.

REPLACE ECM

DTC No.

CONSULT screen items

(Trouble diagnosis content)

DTC detecting condition

B260F-00

ENG STATE SIG LOST
(Engine state signal lost)

BCM has not yet received the engine status signal from ECM when 
ignition switch is in the ON position.

B260F ENGINE STATUS

SEC-285

< DTC/CIRCUIT DIAGNOSIS >

[WITHOUT INTELLIGENT KEY SYSTEM]

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Replace ECM. Refer to 

EC-430, "Removal and Installation"

 (MR20DD engine models), 

EC-806, "Removal and

Installation"

 (QR25DE engine models) or 

EC-1226, "Removal and Installation"

 (R9M engine models).

>> INSPECTION END

SEC-286

< DTC/CIRCUIT DIAGNOSIS >

[WITHOUT INTELLIGENT KEY SYSTEM]

B27D1 START CUT RELAY OFF

B27D1 START CUT RELAY OFF

DTC Description

INFOID:0000000010922300

DTC DETECTION LOGIC

POSSIBLE CAUSE

• Starter control relay
• Harness or connectors

(Starter control relay circuit is shorted)

FAIL-SAFE

—

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Turn ignition switch ON.

2.

Check DTC in “Self Diagnostic Result” mode of “BCM” using CONSULT.

Is DTC detected?

YES

>> Refer to 

SEC-286, "Diagnosis Procedure"

.

NO-1

>> To check malfunction symptom before repair: Refer to 

GI-44, "Intermittent Incident"

.

NO-2

>> Confirmation after repair: INSPECTION END

Diagnosis Procedure

INFOID:0000000010922301

1.

CHECK STARTER CONTROL RELAY INPUT SIGNAL

Check voltage between BCM harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> GO TO 2.

2.

CHECK FUSE

Check that the following fuse is not blown.

Is the fuse fusing?

YES

>> Replace the blown fuse after repairing the affected circuit if a fuse is blown.

NO

>> GO TO 3.

3.

CHECK STARTER CONTROL RELAY INPUT SIGNAL CIRCUIT

DTC

CONSULT screen items

(Trouble diagnosis con-

tent)

DTC detecting condition

B27D1–00

START CUT RELAY OFF
(Starter cut relay OFF)

When the starter relay/starter control relay status signal transmitted from IPDM E/R via 
CAN communication is (OFF/OFF) after 0.5 seconds elapse, even though BCM is oper-
ating the starter control relay ON output.

(+)

(-)

Condition

Voltage

BCM

Connector

Terminal

E23

171

Ground

Engine cranking

0 - 0.5 V

Other than engine cranking

9 - 16 V

Signal name

Fuse

Battery power supply

30A

L