Infiniti QX56 (JA60). Manual - part 662

LAN

TROUBLE DIAGNOSIS

LAN-47

< FUNCTION DIAGNOSIS >

[CAN]

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

TROUBLE DIAGNOSIS

CAN Diagnostic Support Monitor

INFOID:0000000005146464

Use “CAN DIAG SUPPORT MNTR” for detecting the root cause.

MONITOR ITEM LIST (CONSULT-III)

ECM

0: Error at present, 1 – 39: Error in the past (Number means the number of times the ignition switch is turned OFF

→ON)

*: 39 or higher number is fixed at 39 until the self-diagnosis result is erased.

TCM

NOTE:

Replace the unit when “NG” is indicated on the “INITIAL DIAG”.

ICC Unit

NOTE:

Replace the unit when “NG” is indicated on the “INITIAL DIAG”.

ITEM

CAN DIAG SUP-

PORT MNTR

Description

Normal

Error

PRSNT

PAST

PRSNT

PAST

ECM

TRANSMIT DIAG

Signal transmission status

OK

OK

or

1 – 39

*

UNKWN

0

VDC/TCS/ABS

Signal receiving status from the ABS actua-
tor and electric unit (control unit)

METER/M&A

Signal receiving status from the combina-
tion meter

BCM/SEC

Signal receiving status from the BCM

ICC

Signal receiving status from the ICC unit

HVAC

Not used even though indicated

TCM

Signal receiving status from the TCM

OK

OK

or

1 – 39

*

UNKWN

0

EPS

Not used even though indicated

IPDM E/R

Signal receiving status from the IPDM E/R

OK

OK

or

1 – 39

*

UNKWN

0

e4WD

Not used even though indicated

AWD/4WD

Signal receiving status from the transfer 
control unit

OK

OK

or

1 – 39

*

UNKWN

0

ITEM

CAN DIAG SUP-

PORT MNTR

Description

Normal

Error

PRSNT

TCM

INITIAL DIAG

Status of CAN controller

OK

NG

TRANSMIT DIAG

Signal transmission status

UNKWN

ECM

Signal receiving status from the ECM

VDC/TCS/ABS

Signal receiving status from the ABS actuator and electric unit (con-
trol unit)

METER/M&A

Signal receiving status from the combination meter

ICC/e4WD

Signal receiving status from the ICC unit

AWD/4WD

Signal receiving status from the transfer control unit

LAN-48

< FUNCTION DIAGNOSIS >

[CAN]

TROUBLE DIAGNOSIS

Driver Seat Control Unit

0: Error at present, 1 – 39: Error in the past (Number means the number of times the ignition switch is turned OFF

→ON)

*: 39 or higher number is fixed at 39 until the self-diagnosis result is erased.

AV Control Unit

0: Error at present, 1 – 39: Error in the past (Number means the number of times the ignition switch is turned OFF

→ON)

*: 39 or higher number is fixed at 39 until the self-diagnosis result is erased.

BCM

ITEM

CAN DIAG SUP-

PORT MNTR

Description

Normal

Error

PRSNT

ICC

INITIAL DIAG

Status of CAN controller

OK

NG

TRANSMIT DIAG

Signal transmission status

UNKWN

ECM

Signal receiving status from the ECM

VDC/TCS/ABS

Signal receiving status from the ABS actuator and electric unit (con-
trol unit)

TCM

Signal receiving status from the TCM

METER/M&A

Not used even though indicated

LANE KEEP

ECM (l)

ICC SENSOR

Signal receiving status from the ICC sensor

OK

UNKWN

STRG

Not used even though indicated

METER/M&A (l)

ERROR (l)

LANE DETEC-
TOR

TCM (l)

BCM/SEC

Signal receiving status from the BCM

OK

UNKWN

ITEM

CAN DIAG SUP-

PORT MNTR

Description

Normal

Error

PRSNT

PAST

PRSNT

PAST

ADP

TRANSMIT DIAG

Not used even though indicated

METER/M&A

Signal receiving status from the combina-
tion meter

OK

OK

or

1 – 39

*

UNKWN

0

BCM/SEC

Signal receiving status from the BCM

TCM

Signal receiving status from the TCM

ITEM

CAN DIAG SUP-

PORT MNTR

Description

Normal

Error

PRSNT

PAST

PRSNT

PAST

AV

TRANSMIT DIAG

Signal transmission status

OK

OK

or

1 – 39

*

UNKWN

0

ECM

Signal receiving status from the ECM

METER/M&A

Signal receiving status from the combina-
tion meter

BCM/SEC

Signal receiving status from the BCM

HVAC

Signal receiving status from the A/C auto 
amp.

STRG

Not used even though indicated

IPDM E/R

Signal receiving status from the IPDM E/R

OK

OK

or

1 – 39

*

UNKWN

0

TIRE-P

Not used even though indicated

LAN

TROUBLE DIAGNOSIS

LAN-49

< FUNCTION DIAGNOSIS >

[CAN]

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

NOTE:

Replace the unit when “NG” is indicated on the “INITIAL DIAG”.

A/C Auto Amp.

0: Error at present, 1 – 39: Error in the past (Number means the number of times the ignition switch is turned OFF

→ON)

*: 39 or higher number is fixed at 39 until the self-diagnosis result is erased.

Intelligent Key Unit

0: Error at present, 1 – 39: Error in the past (Number means the number of times the ignition switch is turned OFF

→ON)

*: 39 or higher number is fixed at 39 until the self-diagnosis result is erased.

Combination Meter

ITEM

CAN DIAG SUP-

PORT MNTR

Description

Normal

Error

PRSNT

BCM

INITIAL DIAG

Status of CAN controller

OK

NG

TRANSMIT DIAG

Signal transmission status

UNKWN

ECM

Signal receiving status from the ECM

IPDM E/R

Signal receiving status from the IPDM E/R

METER/M&A

Signal receiving status from the combination meter

I-KEY

Not used even though indicated

ITEM

CAN DIAG SUP-

PORT MNTR

Description

Normal

Error

PRSNT

PAST

PRSNT

PAST

HVAC

TRANSMIT DIAG

Signal transmission status

OK

OK

or

1 – 39

*

UNKWN

0

ECM

Signal receiving status from the ECM

TCM

Not used even though indicated

BCM/SEC

Signal receiving status from the BCM

OK

OK

or

1 – 39

*

UNKWN

0

VDC/TCS/ABS

Signal receiving status from the ABS actua-
tor and electric unit (control unit)

IPDM E/R

Not used even though indicated

DISPLAY

Signal receiving status from the AV control 
unit

OK

OK

or

1 – 39

*

UNKWN

0

I-KEY

Not used even though indicated

EPS

AWD/4WD

e4WD

ICC

LANE CAMERA

TIRE-P

ITEM

CAN DIAG SUP-

PORT MNTR

Description

Normal

Error

PRSNT

PAST

PRSNT

PAST

I-KEY

TRANSMIT DIAG

Signal transmission status

OK

OK

or

1 – 39

*

UNKWN

0

ECM

Signal receiving status from the ECM

METER/M&A

Signal receiving status from the combina-
tion meter

BCM/SEC

Signal receiving status from the BCM

LAN-50

< FUNCTION DIAGNOSIS >

[CAN]

TROUBLE DIAGNOSIS

0: Error at present, 1 – 39: Error in the past (Number means the number of times the ignition switch is turned OFF

→ON)

*: 39 or higher number is fixed at 39 until the self-diagnosis result is erased.

Transfer Control Unit

0: Error at present, 1 – 39: Error in the past (Number means the number of times the ignition switch is turned OFF

→ON)

*: 39 or higher number is fixed at 39 until the self-diagnosis result is erased.

ABS Actuator and Electric Unit (Control Unit)

CAUTION:

ITEM

CAN DIAG SUP-

PORT MNTR

Description

Normal

Error

PRSNT

PAST

PRSNT

PAST

M&A

TRANSMIT DIAG

Signal transmission status

OK

OK

or

1 – 39

*

UNKWN

0

ECM

Signal receiving status from the ECM

TCM

Signal receiving status from the TCM

BCM/SEC

Signal receiving status from the BCM

VDC/TCS/ABS

Signal receiving status from the ABS actua-
tor and electric unit (control unit)

IPDM E/R

Signal receiving status from the IPDM E/R

DISPLAY

Not used even though indicated

I-KEY

Signal receiving status from the Intelligent 
Key unit

OK

OK

or

1 – 39

*

UNKWN

0

EPS

Not used even though indicated

AWD/4WD

e4WD

ICC

Signal receiving status from the ICC unit

OK

OK

or

1 – 39

*

UNKWN

0

LANE CAMERA

Not used even though indicated

TIRE-P

ITEM

CAN DIAG SUP-

PORT MNTR

Description

Normal

Error

PRSNT

PAST

PRSNT

PAST

4WD

TRANSMIT DIAG

Signal transmission status

OK

OK

or

1 – 39

*

UNKWN

0

ECM

Signal receiving status from the ECM

VDC/TCS/ABS

Signal receiving status from the ABS actua-
tor and electric unit (control unit)

TCM

Signal receiving status from the TCM

STRG

Signal receiving status from the steering an-
gle sensor

ITEM

CAN DIAG SUP-

PORT MNTR

Description

Normal

Error

PRSNT

ABS

INITIAL DIAG

Status of CAN controller

OK

NG

Caution

TRANSMIT DIAG

Signal transmission status

UNKWN

ECM

Signal receiving status from the ECM

TCM

Signal receiving status from the TCM

METER/M&A

Not used even though indicated

STRG

Signal receiving status from the steering angle sensor

OK

UNKWN

ICC

Signal receiving status from the ICC unit

AWD/4WD

Signal receiving status from the transfer control unit