Nissan Altima L32. Manual - part 1000

PCS-64

< COMPONENT DIAGNOSIS >

[POWER DISTRIBUTION SYSTEM]

B2611 ACC RELAY

1. Turn ignition switch OFF.

2. Disconnect ACC relay.

3. Check voltage between ACC relay harness connector and

ground.

Is the inspection result normal?

YES

>> GO TO 3

NO

>> Repair or replace harness.

3.

 CHECK FUSE

Check 10A fuse [No. 19, located in the fuse block (J/B)].
Is the inspection result normal?

YES

>> GO TO 4

NO

>> Replace fuse.

4.

 CHECK ACC RELAY FEEDBACK CIRCUIT

1. Disconnect BCM harness connector.

2. Check continuity between ACC relay harness connector (A) and

BCM harness connector (B).

3. Check continuity between ACC relay harness connector and

ground.

Is the inspection result normal?

YES

>> GO TO 5

NO

>> Repair or replace harness.

5.

 CHECK INTERMITTENT

Refer to 

GI-42, "Intermittent Incident"

.

>> Inspection End.

Terminals

Voltage (V)

(+)

(-)

ACC relay

Ground

Terminal

3

Battery voltage

ALMIA0441ZZ

ACC relay

BCM

Continuity

Terminal

Connector

Terminal

5

M18

30

Yes

ACC relay

Ground

Continuity

Terminal

5

No

ALMIA0442ZZ

PCS

B2614 ACC RELAY CIRCUIT

PCS-65

< COMPONENT DIAGNOSIS >

[POWER DISTRIBUTION SYSTEM]

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B2614 ACC RELAY CIRCUIT

Description

INFOID:0000000004202449

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:0000000004202450

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

 PERFORM DTC CONFIRMATION PROCEDURE

1. Turn the power supply position to ACC under the following conditions, and wait for at least 1 second.

-

CVT selector lever is in the P or N position.

-

Release the brake pedal.

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

YES

>> Go to 

PCS-65, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000004202451

1.

 CHECK ACCESSORY RELAY POWER SUPPLY

1. Turn ignition switch OFF.

2. Disconnect accessory relay.

3. Check voltage between accessory relay harness connector and

ground under the following conditions.

Is the inspection result normal?

YES

>> GO TO 3

NO

>> GO TO 2

2.

 CHECK ACCESSORY RELAY POWER SUPPLY CIRCUIT

DTC No.

Trouble diagnosis 

name

DTC detecting condition

Possible cause

B2614

ACC relay circuit

An immediate operation of ACC relay is requested 
by BCM, but there is no response for more than 1 
second.

• Harness or connectors

(ACC relay circuit is open or short-
ed)

• ACC relay

Accessory relay

Ground

Condition

Voltage (V)

Terminal

2

Ground

Ignition

OFF

0

ACC

Battery voltage

ALMIA0443ZZ

PCS-66

< COMPONENT DIAGNOSIS >

[POWER DISTRIBUTION SYSTEM]

B2614 ACC RELAY CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect BCM harness connector.

3. Check continuity between accessory relay harness connector

(A) and BCM harness connector (B).

4. Check continuity between accessory relay harness connector

and ground.

Is the inspection result normal?

YES

>> GO TO 6

NO

>> Repair or replace harness.

3.

 CHECK ACCESSORY RELAY GROUND CIRCUIT

1. Turn ignition switch OFF.

2. Check continuity between accessory relay harness connector

and ground.

Is the inspection result normal?

YES

>> GO TO 4

NO

>> Repair or replace harness.

4.

 CHECK ACCESSORY RELAY POWER SUPPLY CIRCUIT-2

Check voltage between accessory relay harness connector and

ground.

Is the inspection result normal?

YES

>> GO TO 5

NO

>> Repair or replace harness.

5.

 CHECK ACCESSORY RELAY

Refer to 

PCS-67, "Component Inspection (Accessory Relay)"

.

YES or NO

YES

>> GO TO 6

NO

>> Replace accessory relay.

6.

 CHECK INTERMITTENT INCIDENT

Refer to 

GI-42, "Intermittent Incident"

.

>> Inspection End.

Accessory relay

BCM

Continuity

Terminal

Connector

Terminal

2

M18

83

Yes

Accessory relay

Ground

Continuity

Terminal

2

Ground

No

ALMIA0444ZZ

Accessory relay

Ground

Continuity

Terminal

1

Ground

Yes

ALMIA0445ZZ

Accessory relay

Ground

Voltage (V)

Terminal

3

Ground

Battery voltage

ALMIA0441ZZ

PCS

B2614 ACC RELAY CIRCUIT

PCS-67

< COMPONENT DIAGNOSIS >

[POWER DISTRIBUTION SYSTEM]

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Component Inspection (Accessory Relay)

INFOID:0000000004202452

1.

 CHECK ACCESSORY RELAY

1. Turn ignition switch OFF.

2. Remove accessory relay.

3. Check the continuity between accessory relay terminals under

the following conditions.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Replace accessory relay

Terminals

Condition

Continuity

3 and 5

12V direct current supply between terminals 1 and 2

Yes

No current supply

No

PBIB0098E