Nissan Altima HL32 Hybrid. Manual - part 1002

B261E VEHICLE TYPE

SEC-81

< COMPONENT DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

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B261E  VEHICLE TYPE

Description

INFOID:0000000004216062

There are two types of vehicles.

• HEV

• Conventional

DTC Logic

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DTC DETECTION LOGIC

NOTE:

• If DTC B261E is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to

SEC-28, "DTC Logic"

.

• If DTC B261E is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to

SEC-29, "DTC Logic"

.

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1. Turn ignition switch ON.

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

YES

>> Refer to 

SEC-81, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

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1.

INSPECTION START

1. Turn ignition switch ON.

2. Check “Self diagnostic result” with CONSULT-III.

3. Touch “ERASE”.

4. Perform DTC Confirmation Procedure.

See 

SEC-81, "DTC Logic"

.

Is the 1st trip DTC B261E displayed again?

YES

>> Perform BCM configuration. Refer to Consult-III Operation Manual. 

NO

>> Inspection End.

DTC No.

Trouble diagnosis 

name

DTC detecting condition

Possible cause

B261E

VEHICLE TYPE

Difference of BCM configuration

• BCM

SEC-82

< COMPONENT DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

POWER SUPPLY AND GROUND CIRCUIT

POWER SUPPLY AND GROUND CIRCUIT

BCM
BCM : Diagnosis Procedure

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1.

 CHECK FUSE AND FUSIBLE LINK

Check if the following BCM fuse or fusible link are blown.

Is the fuse or fusible link blown?

YES

>> Replace the blown fuse or fusible link after repairing the affected circuit.

NO

>> GO TO 2

2.

 CHECK POWER SUPPLY CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect BCM.

3. Check voltage between BCM harness connector and ground.

Is the measurement normal?

YES

>> GO TO 3

NO

>> Repair or replace harness.

3.

 CHECK GROUND CIRCUIT

Check continuity between BCM harness connector and ground.

Does continuity exist?

YES

>> Inspection End.

NO

>> Repair or replace harness.

BCM : Special Repair Requirement

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1.

 REQUIRED WORK WHEN REPLACING BCM

Initialize control unit. Refer to CONSULT-III operation manual.

>> Work End.

IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM) : Di-

Terminal No.

Signal name

Fuse and fusible link No.

1

Battery power supply

J

11

10

Terminals

Voltage

(Approx.)

(+)

(

−)

BCM

Ground

Connector

Terminal

M16

1

Battery voltage

M17

11

ALCIA0025ZZ

BCM

Ground

Continuity

Connector

Terminal

M17

13

Yes

ALCIA0024ZZ

POWER SUPPLY AND GROUND CIRCUIT

SEC-83

< COMPONENT DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

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agnosis Procedure

INFOID:0000000004523268

1.

 CHECK FUSES AND FUSIBLE LINK

Check that the following IPDM E/R fuses or fusible link are not blown.

Is the fuse blown?

YES

>> Replace the blown fuse or fusible link after repairing the affected circuit.

NO

>> GO TO 2

2.

 CHECK POWER SUPPLY CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect IPDM E/R.

3. Check voltage between IPDM E/R harness connector and

ground.

Is the measurement value normal?

YES

>> GO TO 3

NO

>> Repair or replace harness.

3.

 CHECK GROUND CIRCUIT

Check continuity between IPDM E/R harness connectors and

ground.

Does continuity exist?

YES

>> Inspection End.

NO

>> Repair or replace harness.

Terminal No.

Signal name

Fuses and fusible link No.

1, 2

Battery power supply

B, E, F

—

42

43

Terminals

Voltage (V)

(Approx.)

(+)

(

−)

IPDM E/R

Connector

Terminal

Ground

E16

1

Battery voltage

2

ALCIA0033ZZ

IPDM E/R

Ground

Continuity

Connector

Terminal

E18 (A)

12

Yes

E17 (B)

41

ALCIA0034ZZ

SEC-84

< COMPONENT DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

KEY SLOT

KEY SLOT

Diagnosis Procedure

INFOID:0000000004216077

1.

CHECK KEY SLOT POWER SUPPLY CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect key slot connector.

3. Check voltage between slot connector and ground.

Is the inspection result normal?

YES

>> GO TO 2

NO

>> Repair or replace key slot power supply circuit.

2.

CHECK KEY SLOT GROUND CIRCUIT

Check continuity between key slot connector and ground.

Is the inspection result normal?

YES

>> GO TO 3

NO

>> Repair or replace key slot ground circuit.

3.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-42, "Intermittent Incident"

.

>> Inspection End.

Key slot

Ground

Voltage (V)

(Approx.)

Connector

Terminal

M40

1

Ground

Battery voltage

5

ALKIA0419ZZ

Key slot

Ground

Continuity

Connector

Terminal

M40

7

Ground

Yes

ALKIA0420ZZ