Nissan Altima L32. Instruction — part 1229

SEC-66

< COMPONENT DIAGNOSIS >

[COUPE]

B2190, P1610 NATS ANTENNA AMP

Is the inspection result normal?

YES

>> GO TO 8

NO

>> Repair harness or connector.

7.

CHECK KEY SLOT GROUND CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect key slot harness connector.

3. Check continuity between key slot harness connector and

ground.

Is the inspection result normal?

YES

>> GO TO 8

NO

>> Repair harness or connector.

8.

CHECK INTERMITTENT INCIDENT

Refer to

GI-42, "Intermittent Incident"

.

>> Inspection End.

Key slot

Ground

Continuity

Connector

Terminal

M40

7

Ground

Yes

ALKIA0344ZZ

B2191, P1615 DIFFERENCE OF KEY

SEC-67

< COMPONENT DIAGNOSIS >

[COUPE]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

B2191, P1615 DIFFERENCE OF KEY

Description

INFOID:0000000004206014

Performs ID verification through BCM and Intelligent Key when push-button ignition switch is pressed.

Prohibits the release of steering lock or start of engine when an unregistered ID of Intelligent Key is used.

DTC Logic

INFOID:0000000004206015

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1. Press the push-button ignition switch

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

YES

>> Refer to

SEC-67, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000004206016

1.

PERFORM INITIALIZATION

Perform initialization with CONSULT-III. Re-register all Intelligent Keys.

For initialization and registration of Intelligent Key. Refer to CONSULT-III Operation Instruction.
Can the system be initialized and can the engine be started with re-registered Intelligent Key?

YES

>> Intelligent Key was unregistered.

NO

>> BCM is malfunctioning.

• Replace BCM. Refer to

BCS-96, "Removal and Installation"

.

• Perform initialization again.

DTC No.

Trouble diagnosis

name

DTC detecting condition

Possible cause

B2191

DIFFERENCE OF
KEY

The ID verification results between BCM and Intel-
ligent Key are NG. The registration is necessary.

• Intelligent Key

P1615

SEC-68

< COMPONENT DIAGNOSIS >

[COUPE]

B2192, P1611 ID DISCORD, IMMU-ECM

B2192, P1611 ID DISCORD, IMMU-ECM

Description

INFOID:0000000004206017

BCM performs the ID verification with ECM that allows the engine to start. Start the engine if the ID is OK.

ECM prevents the engine from starting if the ID is not registered. BCM starts the communication with ECM if

ignition switch is turned ON.

DTC Logic

INFOID:0000000004206018

DTC DETECTION LOGIC

NOTE:

• If DTC B2192 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to

SEC-36, "DTC Logic"

.

• If DTC B2192 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to

SEC-37, "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-III.
Is DTC detected?

YES

>> Refer to

SEC-68, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000004206019

1.

PERFORM INITIALIZATION

Perform initialization with CONSULT-III. Re-register all Intelligent Keys.

For initialization and registration of Intelligent Key. Refer to CONSULT-III Operation Instruction.
Can the system be initialized and can the engine be started with re-registered Intelligent Key?

YES

>> ID was unregistered.

NO

>> BCM is malfunctioning.

• Replace BCM. Refer to

BCS-96, "Removal and Installation"

.

• Perform initialization again.

• Replace ECM.

DTC No.

Trouble diagnosis

name

DTC detecting condition

Possible cause

B2192

ID DISCORD, IMMU-
ECM

The ID verification results between BCM and ECM
are NG. The registration is necessary.

• BCM
• ECM

P1611

B2193, P1612 CHAIN OF ECM-IMMU

SEC-69

< COMPONENT DIAGNOSIS >

[COUPE]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

B2193, P1612 CHAIN OF ECM-IMMU

Description

INFOID:0000000004206020

BCM performs the ID verification with ECM that allows the engine to start. Start the engine if the ID is OK.

ECM prevents the engine from starting if the ID is not registered. BCM starts the communication with ECM if

ignition switch is turned ON.

DTC Logic

INFOID:0000000004206021

DTC DETECTION LOGIC

NOTE:

• If DTC B2193 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to

SEC-36, "DTC Logic"

.

• If DTC B2193 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to

SEC-37, "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 brake pedal.

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

YES

>> Refer to

SEC-69, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000004206022

1.

REPLACE BCM

1. Replace BCM. Refer to

BCS-96, "Removal and Installation"

.

2. Perform initialization with CONSULT-III.

For initialization, refer to CONSULT-III Operation Instruction”.

Does the engine start?

YES

>> BCM is malfunctioning.

• Replace BCM. Refer to

BCS-96, "Removal and Installation"

.

• Perform initialization again.

NO

>> ECM is malfunctioning.

• Replace ECM.

• Perform ECM re-communicating function.

DTC No.

Trouble diagnosis

name

DTC detecting condition

Possible cause

B2193

CHAIN OF ECM-
IMMU

Inactive communication between ECM and BCM

• Harness or connectors

(The CAN communication line is
open or shorted)

• BCM
• ECM

P1612