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
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