Infiniti QX56 (Z62). Manual - part 1357

WCS

DIAGNOSIS SYSTEM (BCM)

WCS-21

< SYSTEM DESCRIPTION >

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ACTIVE TEST

Display item

[Unit]

Description

PUSH SW
[On/Off]

Status of push-button ignition switch judged by BCM.

UNLK SEN-DR
[On/Off]

Status of unlock sensor judged by BCM.

VEH SPEED 1
[km/h]

Value of vehicle speed signal received from combination meter with CAN communication line.

TAIL LAMP SW
[On/Off]

Status of lighting switch judged by BCM using the combination switch readout function.

FR FOG SW
[On/Off]

Status of front fog lamp switch judged by BCM using the combination switch readout function.

DOOR SW-DR
[On/Off]

Status of driver side door switch judged by BCM.

CDL LOCK SW
[On/Off]

Status of door lock unlock switch judged by BCM.

Display item

[Unit]

Description

SEAT BELT WARN TEST

The seat belt warning chime operation can be checked by operating the relevant function (On/Off).

LIGHT WARN ALM

The light warning chime operation can be checked by operating the relevant function (On/Off).

WCS-22

< ECU DIAGNOSIS INFORMATION >

COMBINATION METER

ECU DIAGNOSIS INFORMATION

COMBINATION METER

Reference Value

INFOID:0000000006222688

VALUES ON THE DIAGNOSIS TOOL

Monitor Item

Condition

Value/Status

SPEED METER
[km/h]

Ignition switch 
ON

While driving

Input value of vehicle speed signal 
(CAN communication signal)
NOTE:
655.35 is displayed when the malfunc-
tion signal is received

SPEED OUTPUT
[km/h]

Ignition switch 
ON

While driving

Output value of vehicle speed signal 
(CAN communication signal)
NOTE:
655.35 is displayed when the malfunc-
tion signal is received

ODO OUTPUT
[km/h or mph]

Ignition switch 
ON

—

Output value of odometer signal (CAN 
communication signal)

TACHO METER
[rpm]

Ignition switch 
ON

Engine running

Input value of engine speed signal 
(CAN communication signal)
NOTE:
8191.875 is displayed when the mal-
function signal is received

FUEL METER
[L]

Ignition switch 
ON

—

Input value of fuel level sensor signal

W TEMP METER
[

°

C]

Ignition switch 
ON

—

Input value of engine coolant tempera-
ture signal (CAN communication sig-
nal)
NOTE:
215 is displayed when the malfunction 
signal is input

ABS W/L

Ignition switch 
ON

ABS warning lamp ON

On

ABS warning lamp OFF

Off

VDC/TCS IND

Ignition switch 
ON

VDC OFF indicator lamp ON

On

VDC OFF indicator lamp OFF

Off

SLIP IND

Ignition switch 
ON

VDC warning lamp ON

On

VDC warning lamp OFF

Off

BRAKE W/L

Ignition switch 
ON

Brake warning lamp ON

On

Brake warning lamp OFF

Off

DOOR W/L

Ignition switch 
ON

Door open warning ON

On

Other than the above

Off

HI-BEAM IND

Ignition switch 
ON

High-beam indicator lamp ON

On

High-beam indicator lamp OFF

Off

TURN IND

Ignition switch 
ON

Turn signal indicator lamp ON

On

Turn signal indicator lamp OFF

Off

FR FOG IND

Ignition switch 
ON

NOTE:
This item is displayed, but cannot be moni-
tored. 

Off

RR FOG IND

Ignition switch 
ON

NOTE:
This item is displayed, but cannot be moni-
tored. 

Off

WCS

COMBINATION METER

WCS-23

< ECU DIAGNOSIS INFORMATION >

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LIGHT IND

Ignition switch 
ON

Tail lamp indicator lamp ON

On

Tail lamp indicator lamp OFF

Off

OIL W/L 

Ignition switch 
ON

Oil pressure warning lamp ON

On

Oil pressure warning lamp OFF

Off

MIL

Ignition switch 
ON

Malfunction indicator lamp ON

On

Malfunction indicator lamp OFF

Off

GLOW IND

Ignition switch 
ON

NOTE:
This item is displayed, but cannot be moni-
tored. 

Off

CRUISE IND

Ignition switch 
ON

CRUISE indicator ON

On

CRUISE indicator OFF

Off

SET IND

Ignition switch 
ON

SET indicator ON

On

SET indicator OFF

Off

CRUISE W/L

Ignition switch 
ON

CRUISE warning lamp ON

On

CRUISE warning lamp OFF

Off

BA W/L

Ignition switch 
ON

IBA OFF indicator lamp ON

On

IBA OFF indicator lamp OFF

Off

ATC/T-AMT W/L

Ignition switch 
ON

A/T check warning lamp ON

On

A/T check warning lamp OFF

Off

ATF TEMP W/L

Ignition switch 
ON

NOTE:
This item is displayed, but cannot be moni-
tored. 

Off

4WD W/L

Ignition switch 
ON

4WD warning lamp ON

On

4WD warning lamp OFF

Off

FUEL W/L

Ignition switch 
ON

During low fuel warning indication

On

Other than the above

Off

WASHER W/L

Ignition switch 
ON

During low washer fluid warning indication

On

Other than the above

Off

AIR PRES W/L

Ignition switch 
ON

Low tire pressure warning lamp ON

On

Low tire pressure warning lamp OFF

Off

KEY G/Y W/L

Ignition switch 
ON

KEY warning lamp (Green/Yellow) ON

On

KEY warning lamp (Green/Yellow) OFF

Off

KEY KNOB W/L

Ignition switch 
ON

NOTE:
This item is displayed, but cannot be moni-
tored. 

Off

AFS OFF IND

Ignition switch 
ON

AFS OFF indicator lamp ON

On

AFS OFF indicator lamp OFF

Off

DDS W/L

Ignition switch 
ON

NOTE:
This item is displayed, but cannot be moni-
tored. 

Off

LANE W/L

Ignition switch 
ON

Lane departure warning lamp ON

On

Lane departure warning lamp OFF

Off

LDP IND

Ignition switch 
ON

LDP ON indicator lamp ON

On

LDP ON indicator lamp OFF

Off

ATP W/L

Ignition switch 
ON

ATP warning lamp ON

On

ATP warning lamp OFF

Off

Monitor Item

Condition

Value/Status

WCS-24

< ECU DIAGNOSIS INFORMATION >

COMBINATION METER

DCA IND

Ignition switch 
ON

NOTE:
This item is displayed, but cannot be moni-
tored. 

Off

CHECK SUS IND

Ignition switch 
ON

CK SUSP indicator lamp ON

On

CK SUSP indicator lamp OFF

Off

LCD

Ignition switch 
ON

During engine start information indication

B&P I

Ignition switch 
ACC

During engine start information indication

B&P N

Ignition switch 
LOCK

During key ID warning indication

ID NG

Ignition switch 
LOCK

During steering lock information indication

ROTAT

Ignition switch 
LOCK

During P position warning indication

SFT P

Ignition switch 
LOCK

During Intelligent Key insert information in-
dication

INSRT

Ignition switch 
LOCK

During Intelligent Key low battery warning 
indication

BATT

Ignition switch 
ON

During take away warning indication

NO KY

Ignition switch 
LOCK

During key warning indication

OUTKY

Ignition switch 
ON

During ACC warning indication

LK WN

ACC TARGET

Ignition switch 
ON

During vehicle ahead detection indicator in-
dication

On

Other than the above

Off

ACC DISTANCE

Ignition switch 
ON

When following distance set to “LONG”

LONG 

When following distance set to “MIDDLE”

MID

When following distance set to “SHORT”

SHORT

Set distance indicator not displayed

Off

ACC OWN VHL

Ignition switch 
ON

During own vehicle indicator indication

On

Other than the above

Off

ACC SET SPEED

Ignition switch 
ON

During set vehicle speed indicator not dis-
played

Off

During set vehicle speed indicator dis-
played

Indicates the set vehicle speed

ACC UNIT

Ignition switch 
ON

Set vehicle speed indicator unit display ON

On

Set vehicle speed indicator unit display OFF

Off

Monitor Item

Condition

Value/Status