Nissan Altima L32. Instruction — part 998

PCS-56

< FUNCTION DIAGNOSIS >

[POWER DISTRIBUTION SYSTEM]

DIAGNOSIS SYSTEM (BCM)

DIAGNOSIS SYSTEM (BCM)

COMMON ITEM
COMMON ITEM : Diagnosis Description

INFOID:0000000004495161

BCM CONSULT-III FUNCTION

CONSULT-III performs the following functions via CAN communication with BCM.

SYSTEM APPLICATION

BCM can perform the following functions for each system.

NOTE:

It can perform the diagnosis modes except the following for all sub system selection items.

COMMON ITEM : CONSULT-III Function

INFOID:0000000004495162

ECU IDENTIFICATION

Displays the BCM part No.

SELF-DIAG RESULT

Refer to

PCS-127, "DTC Index"

.

Diagnosis mode

Function Description

WORK SUPPORT

Changes the setting for each system function.

SELF-DIAG RESULTS

Displays the diagnosis results judged by BCM.

CAN DIAG SUPPORT MNTR

Monitors the reception status of CAN communication viewed from BCM.

DATA MONITOR

The BCM input/output signals are displayed.

ACTIVE TEST

The signals used to activate each device are forcibly supplied from BCM.

ECU IDENTIFICATION

The BCM part number is displayed.

CONFIGURATION

This function is not used even though it is displayed.

System

Sub system selection item

Diagnosis mode

WORK SUPPORT

DATA MONITOR

ACTIVE TEST

Door lock

DOOR LOCK

×

×

×

Rear window defogger

REAR DEFOGGER

×

×

Warning chime

BUZZER

×

×

Interior room lamp timer

INT LAMP

×

×

×

Remote keyless entry system

MUTI REMOTE ENT

×

×

×

Exterior lamp

HEADLAMP

×

×

×

Wiper and washer

WIPER

×

×

×

Turn signal and hazard warning lamps FLASHER

×

×

×

Air conditioner

AIR CONDITONER

×

Intelligent Key system

INTELLIGENT KEY

×

×

×

Combination switch

COMB SW

×

BCM

BCM

×

Immobilizer

IMMU

×

×

Interior room lamp battery saver

BATTERY SAVER

×

×

×

Trunk open

TRUNK

×

Vehicle security system

THEFT ALM

×

×

×

RAP system

RETAINED PWR

×

Signal buffer system

SIGNAL BUFFER

×

×

TPMS

AIR PRESSURE MONITOR

×

×

PCS

DIAGNOSIS SYSTEM (BCM)

PCS-57

< FUNCTION DIAGNOSIS >

[POWER DISTRIBUTION SYSTEM]

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

INTELLIGENT KEY
INTELLIGENT KEY : CONSULT-III Function (BCM - INTELLIGENT KEY)

INFOID:0000000004495163

DATA MONITOR

Monitor Item

[Unit]

Condition

PUSH SW [ON/OFF]

Indicates condition of ignition knob switch

I-KEY LOCK [ON/OFF]

Indicates condition of lock signal from Intelligent Key

I-KEY UNLOCK [ON/OFF]

Indicates [condition of unlock signal from Intelligent Key

I-KEY PW DWN [ON/OFF]

Indicates condition of all power window signal from Intelligent Key

I-KEY TRUNK [ON/OFF]

Indicates condition of trunk open signal from Intelligent Key

I-KEY PANIC [ON/OFF]

Indicates condition of panic signal from Intelligent Key

PCS-58

< COMPONENT DIAGNOSIS >

[POWER DISTRIBUTION SYSTEM]

U1000 CAN COMM CIRCUIT

COMPONENT DIAGNOSIS

U1000 CAN COMM CIRCUIT

Description

INFOID:0000000004202435

Refer to

LAN-7, "System Description"

.

DTC Logic

INFOID:0000000004202436

DTC DETECTION LOGIC

Diagnosis Procedure

INFOID:0000000004202437

1.

PERFORM SELF DIAGNOSTIC

1. Turn ignition switch ON and wait for 2 second or more.

2. Check “Self Diagnostic Result”.
Is “CAN COMM CIRCUIT” displayed?

YES

>> Refer to

LAN-8, "CAN Communication Control Circuit"

.

NO

>> Refer to

GI-42, "Intermittent Incident"

.

CONSULT-III dis-

play description

DTC Detection Condition

Possible cause

CAN COMM CIR-
CUIT
[U1000]

When IPDM E/R cannot communicate CAN communica-
tion signal continuously for 2 seconds or more

In CAN communication system, any item (or items)
of the following listed below is malfunctioning.
• Transmission
• Receiving (ECM)
• Receiving (VDC/TCS/ABS)
• Receiving (METER/M&A)
• Receiving (TCM)
• Receiving (MULTI AV)
• Receiving (IPDM E/R)

PCS

U1010 CONTROL UNIT (CAN)

PCS-59

< COMPONENT DIAGNOSIS >

[POWER DISTRIBUTION SYSTEM]

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

U1010 CONTROL UNIT (CAN)

DTC Logic

INFOID:0000000004202438

DTC DETECTION LOGIC

Diagnosis Procedure

INFOID:0000000004202439

1.

REPLACE BCM

When DTC U1010 is detected, replace BCM.

>> Replace BCM. Refer to

BCS-96, "Removal and Installation"

.

CONSULT-III display

description

DTC Detection Condition

Possible cause

CAN COMM CIRCUIT
[U1010]

BCM detected internal CAN communication circuit malfunction.

BCM