Infiniti QX56 (Z62). Manual — part 1359

WCS

COMBINATION METER

WCS-29

< ECU DIAGNOSIS INFORMATION >

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

Fail-Safe

INFOID:0000000006222689

FAIL-SAFE

The combination meter activates the fail-safe control if CAN communication with each unit is malfunctioning.

37

(R/Y)

Ground

Non-manual mode signal

Input

Ignition
switch
ON

Selector manual mode po-
sition

12 V

Other than the above

0 V

38

(L/W)

Ground

Manual mode shift down
signal

Input

Ignition
switch
ON

Selector lever DOWN oper-
ation

0 V

Other than the above

12 V

39

(Y/B)

Ground

Manual mode shift up sig-
nal

Input

Ignition
switch
ON

Selector lever UP operation

0 V

Other than the above

12 V

40

(G/W)

Ground

Manual mode signal

Input

Ignition
switch
ON

Selector manual mode po-
sition

0 V

Other than the above

12 V

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

+

–

Signal name

Input/

Output

Function

Specifications

Speedometer

Reset to zero by suspending communication.

Tachometer

Engine coolant temperature gauge

Engine oil pressure gauge

Illumination control

When suspending communication, changes to nighttime mode.

Information display

Odo/trip meter

An indicated value is maintained at communications blackout.

Shift position indicator

The display turns OFF by suspending communication.

Door open warning

The display turns OFF by suspending communication.

Buzzer

The buzzer turns OFF by suspending communication.

WCS-30

< ECU DIAGNOSIS INFORMATION >

COMBINATION METER

DTC Index

INFOID:0000000006222690

Warning lamp/indicator lamp

ABS warning lamp

The lamp turns ON by suspending communication.

VDC warning lamp

Brake warning lamp

IBA OFF indicator lamp

4WD warning lamp

Malfunction indicator lamp

VDC OFF indicator lamp

CRUISE warning lamp

Low tire pressure warning lamp

The lamp blinking caused by suspending communication.

High beam indicator lamp

The lamp turns OFF by suspending communication.

Turn signal indicator lamp

Tail lamp indicator lamp

A/T CHECK indicator lamp

Key warning lamp

ATP warning lamp

Lane departure warning lamp

LDP ON indicator lamp

CRUISE indicator lamp

Oil pressure warning lamp

SNOW mode indicator lamp

TOW mode indicator lamp

CK SUSP indicator lamp

BSW indicator lamp

Function

Specifications

Display contents of CONSULT-III

Diagnostic item is detected when...

Refer to

CAN COMM CIRCUIT
[U1000]

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

MWI-59,
"Diagnosis
Procedure"

CONTROL UNIT (CAN)
[U1010]

When detecting error during the initial diagnosis of the CAN controller of combina-
tion meter.

MWI-60,
"Diagnosis
Procedure"

VEHICLE SPEED
[B2205]

The abnormal vehicle speed signal is input from the ABS actuator and electric unit
(control unit) for 2 seconds or more.

MWI-61,
"Diagnosis
Procedure"

ENGINE SPEED
[B2267]

If ECM continuously transmits abnormal engine speed signals for 2 seconds or
more.

MWI-62,
"Diagnosis
Procedure"

WATER TEMP
[B2268]

If ECM continuously transmits abnormal engine coolant temperature signals for 60
seconds or more.

MWI-63,
"Diagnosis
Procedure"

WCS

BCM (BODY CONTROL MODULE)

WCS-31

< ECU DIAGNOSIS INFORMATION >

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

BCM (BODY CONTROL MODULE)

List of ECU Reference

INFOID:0000000006222524

ECU

Reference

BCM

BCS-33, "Reference Value"

BCS-54, "Fail-safe"

BCS-56, "DTC Inspection Priority Chart"

BCS-57, "DTC Index"

WCS-32

< WIRING DIAGRAM >

WARNING CHIME SYSTEM

WIRING DIAGRAM

WARNING CHIME SYSTEM

Wiring Diagram

INFOID:0000000006222525

JCNWM4806GB