Nissan Maxima. Manual - part 1060

B260F ENGINE STATUS

SEC-65

< DTC/CIRCUIT DIAGNOSIS >

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B260F ENGINE STATUS

Description

INFOID:0000000010051978

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

DTC Logic

INFOID:0000000010051979

DTC DETECTION LOGIC

NOTE:

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

SEC-29, "DTC Logic"

.

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

SEC-30, "DTC Logic"

.

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1. Turn ignition switch ON under the following conditions.

-

CVT selector lever is in the P position.

-

Do not depress the brake pedal.

2. Check “Self diagnostic result” with CONSULT.
Is DTC detected?

YES

>> Refer to 

SEC-65, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000010051980

1.

INSPECTION START

1. Turn ignition switch ON.

2. Check “Self diagnostic result” with CONSULT.

3. Touch “ERASE”.

4. Perform DTC Confirmation Procedure.

See 

SEC-65, "DTC Logic"

.

Is the DTC B260F displayed again?

YES

>> GO TO 2.

NO

>> Inspection End.

2.

REPLACE ECM

1. Replace ECM.

2. Go to 

EC-17, "ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Description"

.

>> Inspection End.

DTC No.

Trouble diagnosis 

name

DTC detecting condition

Possible cause

B260F

INTERRUPTION OF 
ENGINE STATUS 
SIGNAL

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

• ECM

SEC-66

< DTC/CIRCUIT DIAGNOSIS >

B26E1 NO RECEPTION OF ENGINE STATUS SIGNAL

B26E1 NO RECEPTION OF ENGINE STATUS SIGNAL

Description

INFOID:0000000010051981

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

DTC Logic

INFOID:0000000010051982

DTC DETECTION LOGIC

NOTE:

• If DTC B26E1 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to

SEC-29, "DTC Logic"

.

• If DTC B26E1 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to

SEC-30, "DTC Logic"

.

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1. Turn ignition switch ON under the following conditions.

-

CVT selector lever is in the P or N position.

-

Do not depress the brake pedal.

2. Check “Self diagnostic result” with CONSULT.
Is DTC detected?

YES

>> Refer to 

SEC-66, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000010051983

1.

INSPECTION START

1. Turn ignition switch ON.

2. Check “Self diagnostic result” with CONSULT.

3. Touch “ERASE”.

4. Perform DTC Confirmation Procedure.

See 

SEC-66, "DTC Logic"

.

Is the DTC B26E1 displayed again?

YES

>> GO TO 2.

NO

>> Inspection End.

2.

REPLACE ECM

1. Replace ECM.

2. Go to 

EC-17, "ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Description"

.

>> Inspection End.

DTC No.

Trouble diagnosis 

name

DTC detecting condition

Possible cause

B26E1

NO RECEPTION OF 
ENGINE STATUS 
SIGNAL

BCM does not receive the engine status signal from 
ECM when ignition switch is in the ON position

• ECM

B2617 STARTER RELAY CIRCUIT

SEC-67

< DTC/CIRCUIT DIAGNOSIS >

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B2617 STARTER RELAY CIRCUIT

Description

INFOID:0000000010051984

Located in IPDM E/R, it runs the starter motor. The starter relay is turned ON by the BCM when the ignition

switch is in START position. IPDM E/R transmits the starter relay ON signal to BCM via CAN communication.

DTC Logic

INFOID:0000000010051985

DTC DETECTION LOGIC

NOTE:

• If DTC B2617 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to

SEC-29, "DTC Logic"

.

• If DTC B2617 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to

SEC-30, "DTC Logic"

.

• If DTC B2617 is displayed with DTC B210E, first perform the trouble diagnosis for DTC B210E. Refer to

SEC-67, "DTC Logic"

.

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1. Turn ignition switch ON under the following conditions and wait for at least 1 second.

-

CVT selector lever is in the P position.

-

Do not depress the brake pedal.

2. Check “Self diagnostic result” with CONSULT.
Is DTC detected?

YES

>> Refer to 

SEC-67, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000010051986

Regarding Wiring Diagram information, refer to 

SEC-147, "Wiring Diagram"

 or 

SEC-128, "Wiring Diagram"

.

1.

CHECK STARTER RELAY

1. Turn ignition switch ON.

2. Check voltage between BCM harness connector M21 terminal

132 and ground under the following condition.

DTC No.

Trouble diagnosis 

name

DTC detecting condition

Possible cause

B2617

STARTER RELAY 
CIRCUIT

• An immediate operation of starter relay is re-

quested by BCM, but there is no response for 
more than 1 second

• BCM is not commanding starter relay activation, 

but BCM detects starter relay output is active

• Harness or connectors

(Starter relay circuit is open or short-
ed.)

• IPDM  E/R

ALKIA0452ZZ

SEC-68

< DTC/CIRCUIT DIAGNOSIS >

B2617 STARTER RELAY CIRCUIT

Is the measurement value within the specification.

YES

>> GO TO 3.

NO

>> GO TO 2.

2.

CHECK STARTER RELAY CIRCUIT

1. Turn ignition switch OFF.

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

3. Check continuity between IPDM E/R harness connector E17 (A)

terminal 46 and BCM harness connector M21 (B) terminal 132.

4. Check continuity between IPDM E/R harness connector E17 (A)

terminal 46 and ground.

Is the inspection result normal?

YES

>> Replace BCM. Refer to 

BCS-79, "Removal and Installation"

.

NO

>> Repair harness or connector.

3.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-41, "Intermittent Incident"

.

>> Inspection End.

BCM

Ground

Transmission select 

lever position

Condition

Voltage (V)

Connector

Terminal

M21

132

Ground

Park

Ignition switch cranking or 

request to start

Battery voltage

Other than above

0

IPDM E/R

BCM

Continuity

Connector

Terminal

Connector

Terminal

A: E17

46

B: M21

132

Yes

IPDM E/R

Ground

Continuity

Connector

Terminal

A: E17

46

Ground

No

ALKIA1318ZZ