Nissan Murano. Manual - part 1074

PCS-58

< DTC/CIRCUIT DIAGNOSIS >

[POWER DISTRIBUTION SYSTEM]

B2615 BLOWER RELAY CIRCUIT

YES

>> Replace fuse block (J/B).

NO

>> GO TO 3.

3.

CHECK BLOWER RELAY POWER SUPPLY CIRCUIT-1

1.

Disconnect BCM connector.

2.

Check continuity between fuse block (J/B) harness connector and BCM harness connector.

3.

Check continuity between fuse block (J/B) harness connector and ground.

Is the inspection result normal?

YES

>> Replace BCM. Refer to 

BCS-98, "Removal and Installation"

.

NO

>> Repair or replace harness.

4.

CHECK BLOWER RELAY GROUND CIRCUIT

Check continuity between blower relay harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Repair blower relay ground circuit.

5.

CHECK BLOWER RELAY POWER SUPPLY CIRCUIT-2

1.

Connect blower relay.

2.

Turn ignition switch ON.

3.

Check voltage between blower relay harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 7.

NO

>> GO TO 6.

6.

CHECK BLOWER RELAY

Refer to 

PCS-59, "Component Inspection"

.

Is the inspection result normal?

YES

>> Replace fuse block (J/B).

NO

>> Replace blower relay. Refer to 

PG-91, "Fuse, Connector and Terminal Arrangement"

.

7.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-44, "Intermittent Incident"

.

>> INSPECTION END

Fuse block (J/B)

BCM

Continuity

Connector

Terminal

Connector

Terminal

E103

6F

M122

102

Existed

Fuse block (J/B)

Ground

Continuity

Connector

Terminal

E103

6F

Not existed

Blower relay

Ground

Continuity

Terminal

2

Existed

(+)

(–)

Voltage (V)

(Approx.)

Blower relay

Terminal

5

Ground

Battery voltage

PCS

B2615 BLOWER RELAY CIRCUIT

PCS-59

< DTC/CIRCUIT DIAGNOSIS >

[POWER DISTRIBUTION SYSTEM]

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

Component Inspection

INFOID:0000000009722660

1.

CHECK BLOWER RELAY

1.

Turn ignition switch OFF.

2.

Remove blower relay.

3.

Check the continuity between blower relay terminals.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace blower relay. Refer to 

PG-91, "Fuse, Connector

and Terminal Arrangement"

.

Terminals

Condition

Continuity

3 and 5

12 V direct current supply between terminals 1 and 2

Existed

No current supply

Not existed

PBIB0098E

PCS-60

< DTC/CIRCUIT DIAGNOSIS >

[POWER DISTRIBUTION SYSTEM]

B2616 IGNITION RELAY CIRCUIT

B2616 IGNITION RELAY CIRCUIT

Description

INFOID:0000000009722661

BCM controls the various electrical components and simultaneously supplies power according to the power
supply position.
BCM checks the power supply position internally.

DTC Logic

INFOID:0000000009722662

DTC DETECTION 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.

-

Selector lever is in the P or N position.

-

Do not depress brake pedal.

2.

Check “Self diagnostic result” with CONSULT.

Is DTC detected?

YES

>> Go to 

PCS-60, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000009722663

1.

CHECK IGNITION RELAY POWER SUPPLY-1

1.

Turn ignition switch OFF.

2.

Disconnect ignition relay.

3.

Check voltage between ignition relay harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> GO TO 2.

2.

CHECK IGNITION RELAY POWER SUPPLY-2

1.

Disconnect fuse block (J/B) connector.

2.

Check voltage between fuse block (J/B) harness connector and ground.

Is the inspection result normal?

DTC No.

Trouble diagnosis 

name

DTC detecting condition

Possible cause

B2616

BCM

An immediate operation of ignition relay (fuse 
block) is requested by BCM, but there is no re-
sponse for more than 1 second

• Harness or connectors 

(Ignition relay circuit is open or 
shorted)

• Ignition relay (Fuse block)

(+)

(–)

Condition

Voltage (V)

(Approx.)

Ignition relay

Terminal

1

Ground

Ignition switch

OFF or ACC

0

ON

Battery voltage

(+)

(–)

Condition

Voltage (V)

(Approx.)

Fuse block (J/B)

Connector

Terminal

M3

6C

Ground

Ignition switch

OFF or ACC

0

ON

Battery voltage

PCS

B2616 IGNITION RELAY CIRCUIT

PCS-61

< DTC/CIRCUIT DIAGNOSIS >

[POWER DISTRIBUTION SYSTEM]

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

YES

>> Replace fuse block (J/B).

NO

>> GO TO 3.

3.

CHECK IGNITION RELAY POWER SUPPLY CIRCUIT-1

1.

Disconnect BCM connector.

2.

Check continuity between fuse block (J/B) harness connector and BCM harness connector.

3.

Check continuity between fuse block (J/B) harness connector and ground.

Is the inspection result normal?

YES

>> Replace BCM. Refer to

BCS-98, "Removal and Installation"

.

NO

>> Repair or replace harness.

4.

CHECK IGNITION RELAY GROUND CIRCUIT

Check continuity between ignition relay harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Repair ignition relay ground circuit.

5.

CHECK IGNITION RELAY POWER SUPPLY CIRCUIT-2

1.

Connect ignition relay.

2.

Turn ignition switch ON.

3.

Check voltage between ignition relay harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 7.

NO

>> GO TO 6.

6.

CHECK IGNITION RELAY

Refer to 

PCS-62, "Component Inspection"

.

Is the inspection result normal?

YES

>> Replace fuse block (J/B).

NO

>> Replace ignition relay. Refer to 

PG-91, "Fuse, Connector and Terminal Arrangement"

.

7.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-44, "Intermittent Incident"

.

>> INSPECTION END

Fuse block (J/B)

BCM

Continuity

Connector

Terminal

Connector

Terminal

M3

6C

M122

82

Existed

Fuse block (J/B)

Ground

Continuity

Connector

Terminal

M3

6C

Not existed

Ignition relay

Ground

Continuity

Terminal

2

Existed

(+)

(–)

Voltage (V)

(Approx.)

Ignition relay

Terminal

5

Ground

Battery voltage