Nissan Cube. Manual - part 814

B2608 STARTER RELAY

SEC-67

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

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B2608 STARTER RELAY

Description

INFOID:0000000009950157

Located in IPDM E/R, the starter relay runs the starter motor. The starter relay is turned ON by the BCM when
the ignition switch is in the START position. IPDM E/R transmits the starter relay ON signal to BCM via CAN
communication.

DTC Logic

INFOID:0000000009950158

DTC DETECTION LOGIC

NOTE:
• If DTC B2608 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to

BCS-40, "DTC Logic"

.

• If DTC B2608 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to

BCS-41, "DTC Logic"

.

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Turn ignition switch ON under the following conditions.

-

Selector lever is in the P or N position

-

Do not depress brake pedal

2.

Check “Self-diagnosis result” using CONSULT.

Is DTC detected?

YES

>> Go to 

SEC-67, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000009950159

1.

CHECK DTC WITH IPDM E/R

Check “Self-diagnosis result” using CONSULT. Refer to 

PCS-32, "DTC Index"

.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace the malfunctioning parts.

2.

CHECK BCM POWER SUPPLY CIRCUIT

1.

Turn ignition switch ON.

2.

Check voltage between BCM harness connector and ground.

Is the measurement value within the specification?

YES

>> GO TO 4.

NO

>> GO TO 3.

3.

CHECK STARTER RELAY CIRCUIT

DTC No.

Trouble diagnosis 

name

DTC detecting condition

Possible cause

B2608

STARTER RELAY

BCM outputs starter relay OFF but IPDM E/R re-
ceives starter relay ON signal.

• Harness or connectors 

(Starter relay circuit is open or 
shorted.)

• IPDM  E/R

(+)

(–)

Condition

Voltage (V)

(Approx.)

BCM

Connector

Terminal

M71

97

Ground

Selector lever

N or P position

12

Other than above

0

SEC-68

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

B2608 STARTER RELAY

1.

Turn ignition switch OFF.

2.

Disconnect BCM connector and IPDM E/R connector.

3.

Check continuity between IPDM E/R harness connector and BCM harness connector.

4.

Check continuity between IPDM E/R harness connector and ground.

Is the inspection result normal?

YES

>> Replace IPDM E/R. Refer to 

PCS-34, "Removal and Installation"

.

NO

>> Repair or replace harness.

4.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-40, "Intermittent Incident"

.

>> INSPECTION END

IPDM E/R

BCM

Continuity

Connector

Terminal

Connector

Terminal

E13

30

M71

97

Existed

IPDM E/R

Ground

Continuity

Connector

Terminal

E13

30

Not existed

B260F ENGINE STATUS

SEC-69

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

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B260F ENGINE STATUS

Description

INFOID:0000000009950160

BCM receives the engine status signal from ECM via CAN communication.

DTC Logic

INFOID:0000000009950161

DTC DETECTION LOGIC

NOTE:
• If DTC B260F is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to

BCS-40, "DTC Logic"

.

• If DTC B260F is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to

BCS-41, "DTC Logic"

.

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Turn ignition switch ON under the following conditions.

-

Selector lever is in the P or N position

-

Do not depress brake pedal

2.

Check “Self-diagnosis result” using CONSULT.

Is DTC detected?

YES

>> Go to 

SEC-69, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000009950162

1.

INSPECTION START

1.

Turn ignition switch ON.

2.

Check “Self-diagnosis result” using CONSULT.

3.

Touch “ERASE”.

4.

Perform DTC Confirmation Procedure.
See 

SEC-69, "DTC Logic"

.

Is the DTC B260F displayed again?

YES

>> GO TO 2.

NO

>> INSPECTION END

2.

REPLACE ECM

Replace ECM. Refer to 

SEC-9, "ECM : Special Repair Requirement"

.

>> INSPECTION END

DTC No.

Trouble diagnosis name

DTC detecting condition

Possible cause

B260F

ENG STATE SIG LOST

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

ECM

SEC-70

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

B26F3 STARTER CONTROL RELAY

B26F3 STARTER CONTROL RELAY

Description

INFOID:0000000009950163

Starter control relay, integrated in IPDM E/R, permits the starter relay operation when in the N or P position. It
is installed parallel to the starter relay.

DTC Logic

INFOID:0000000009950164

DTC DETECTION LOGIC

NOTE:
• If DTC B26F3 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to

BCS-40, "DTC Logic"

.

• If DTC B26F3 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to

BCS-41, "DTC Logic"

.

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Turn the power supply position to start under the following conditions and wait 1 second or more.

-

Selector lever is in the P or N position

-

Do not depress brake pedal

2.

Check “Self-diagnosis result” using CONSULT.

Is DTC detected?

YES

>> Go to 

SEC-70, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000009950165

1.

CHECK DTC WITH IPDM E/R

Check “Self-diagnosis result” using CONSULT. Refer to 

PCS-32, "DTC Index"

.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace the malfunctioning part.

2.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-40, "Intermittent Incident"

.

>> INSPECTION END

DTC No.

Trouble diagnosis name

DTC detecting condition

Possible cause

B26F3

START CONT RLY ON

BCM requests IPDM E/R to turn starter control re-
lay OFF but starter control relay OFF state signal is 
not transmitted from IPDM E/R.

IPDM E/R