Nissan Altima L32. Instruction — part 1338

SEC-502

< COMPONENT DIAGNOSIS >

[SEDAN WITHOUT INTELLIGENT KEY]

POWER SUPPLY AND GROUND CIRCUIT

POWER SUPPLY AND GROUND CIRCUIT

BCM
BCM : Diagnosis Procedure

INFOID:0000000004499195

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

INFOID:0000000004499196

1.

REQUIRED WORK WHEN REPLACING BCM

Initialize control unit. Refer to

BCS-6, "CONFIGURATION (BCM) : Special Repair Requirement"

.

>> 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

H

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-503

< COMPONENT DIAGNOSIS >

[SEDAN WITHOUT INTELLIGENT KEY]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

agnosis Procedure

INFOID:0000000004499198

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 connectors.

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

ground.

Is the measurement value normal?

YES

>> GO TO 3

NO

>> Repair harness or connector.

3.

CHECK GROUND CIRCUIT

Check continuity between IPDM E/R harness connectors and

ground.

Does continuity exist?

YES

>> Inspection End.

NO

>> Repair harness or connector.

Terminal No.

Signal name

Fuses and fusible link No.

1, 2

Battery power supply

B, D

—

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

A: E18

12

Yes

B: E17

41

ALCIA0034ZZ

SEC-504

< COMPONENT DIAGNOSIS >

[SEDAN WITHOUT INTELLIGENT KEY]

KEY SLOT

KEY SLOT

Diagnosis Procedure

INFOID:0000000004499200

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

KEY SLOT ILLUMINATION

SEC-505

< COMPONENT DIAGNOSIS >

[SEDAN WITHOUT INTELLIGENT KEY]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

KEY SLOT ILLUMINATION

Description

INFOID:0000000004499201

Blinks when keyfob insertion is required.

Component Function Check

INFOID:0000000004499202

1.

CHECK FUNCTION

With CONSULT-III

Check key slot illumination (“KEY SLOT ILLUMI”) Active Test mode.

Is the inspection result normal?

YES

>> Key slot function is OK.

NO

>> Refer to

SEC-505, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000004499203

1.

CHECK KEY SLOT ILLUMINATION OUTPUT SIGNAL

Check voltage between key slot connector and ground.

Is the inspection result normal?

YES

>> GO TO 6

NO

>> GO TO 2

2.

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 3

ALKIA0418ZZ

Terminals

Condition

Key slot

illumination

Voltage (V)

(Approx.)

(+)

(–)

Key slot

connector

Terminal

M40

6

Ground

Keyfob inserted

OFF

Battery voltage

Keyfob removed

ON

0

Terminals

Voltage (V)

(Approx.)

(+)

(–)

Key slot connector

Terminal

M40

1

Ground

Battery voltage

5

ALKIA0419ZZ