Nissan Altima L32. Manual - part 947

MWI-40

< FUNCTION DIAGNOSIS >

DIAGNOSIS SYSTEM (METER)

NOTE:
Some items are not available due to vehicle specification.
*: The monitor will indicate “OFF” even though the brake warning lamp is on if either of the following conditions exist. 
• The parking brake is engaged
• The brake fluid level is low

COMP F/B SIG [ON/OFF]

X

A/C compressor activation condition that ECM judges according to 
the water temperature and the acceleration degree.

PKB SW [ON/OFF]

X

Displays [ON/OFF] condition of parking brake switch.

BUCKLE SW [ON/OFF]

X

Displays [ON/OFF] condition of seat belt buckle switch LH.

BRAKE OIL SW [ON/OFF]

X

Displays [ON/OFF] condition of brake fluid level switch.

DISTANCE [km] or [mile]

X

Displays the value, which is calculated by vehicle speed signal, fuel 
gauge and fuel consumption from ECM.

OUTSIDE TEMP [

°C]

X

Displays the ambient air temperature, which is input from ambient 
sensor.

FUEL LOW SIG [ON/FF]

X

Displays [ON/OFF] condition of low-fuel warning signal.

BUZZER [ON/OFF]

X

X

Displays [ON/OFF] condition of buzzer.

Display item [Unit]

MAIN

SIGNALS

SELECTION 

FROM MENU

Description

MWI

DTC U1000 CAN COMMUNICATION

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< COMPONENT DIAGNOSIS >

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COMPONENT DIAGNOSIS

DTC U1000 CAN COMMUNICATION

DTC Logic

INFOID:0000000004204085

DTC DETECTION LOGIC

Diagnosis Procedure

INFOID:0000000004204086

Symptom: Displays “CAN COMM CIRC [U1000]” as a self-diagnosis result of combination meter.

1.

CHECK CAN COMMUNICATION

Select “SELF-DIAG RESULTS” mode for “METER/M&A” with CONSULT-III.

>> Go to “LAN system”. Refer to 

LAN-10, "Condition of Error Detection"

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DTC

CONSULT-III display

Detection condition

U1000

CAN COMM CIRC 
[U1000]

When combination meter is not transmitting or receiving CAN communication signals for 2 
seconds or more.

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< COMPONENT DIAGNOSIS >

DTC B2205 VEHICLE SPEED CIRCUIT

DTC B2205 VEHICLE SPEED CIRCUIT

Description

INFOID:0000000004204087

The ABS actuator and electric unit (control unit) provides a vehicle speed signal to the combination meter via

CAN communication lines.

DTC Logic

INFOID:0000000004204088

Diagnosis Procedure

INFOID:0000000004204089

Symptom: Displays “VEHICLE SPEED CIRC [B2205]” as a self-diagnosis result of combination meter.

1.

CHECK COMBINATION METER INPUT SIGNAL

1. Start engine and select “METER/M&A” on CONSULT-III.

2. Using “SPEED METER” on “DATA MONITOR”, compare the value of DATA MONITOR with speedometer

pointer of combination meter. Speedometer and DATA MONITOR indications should be close.

Is the inspection result normal?

YES

>> Perform ABS actuator and electric unit (control unit) self-diagnosis. Refer to 

BRC-12, "CONSULT-

III Function (ABS)"

 (with ABS), 

BRC-76, "CONSULT-III Function (ABS)"

 (with TCS/ABS) or 

BRC-

149, "CONSULT-III Function (ABS)"

 (with VDC/TCS/ABS).

NO

>> Replace combination meter. Refer to 

MWI-176, "Removal and Installation"

.

DTC

CONSULT-III display

Detection condition

B2205

VEHICLE SPEED CIRC
[B2205]

Malfunction is detected when an erroneous speed signal is input for 2 seconds or more.

MWI

POWER SUPPLY AND GROUND CIRCUIT

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< COMPONENT DIAGNOSIS >

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POWER SUPPLY AND GROUND CIRCUIT

COMBINATION METER
COMBINATION METER : Diagnosis Procedure

INFOID:0000000004204090

1.

CHECK FUSES

Check for blown combination meter fuses.

Is the inspection result normal?

YES

>> GO TO 2

NO

>> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse.

2.

POWER SUPPLY CIRCUIT CHECK

1. Disconnect combination meter connector.

2. Check voltage between combination meter harness connector

M24 terminals 1, 2, 14 and ground.

Is the inspection result normal?

YES

>> GO TO 3

NO

>> Check harness for open between combination meter and fuse.

3.

GROUND CIRCUIT CHECK

1. Turn ignition switch OFF.

2. Check continuity between combination meter harness connector

terminals 3, 4, 23 and ground.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Check ground harness.

BCM (BODY CONTROL MODULE)

Unit

Power source

Fuse No.

Combination meter

Battery 11

Ignition switch ON or START 

4

Ignition switch ACC or ON

19

Terminals

Ignition switch position

(+)

(–)

OFF

ACC

ON

START

Connector

Terminal

M24

1

Ground

Battery 
voltage

Battery 
voltage

Battery 
voltage

Battery 
voltage

2

0V

0V

Battery

 voltage

Battery 
voltage

14

0V

Battery 
voltage

Battery
voltage

Battery 
voltage

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Terminals

Continuity

(+)

(–)

Connector

Terminal

M24

3

Ground

Yes

4

23

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