2008 INFINITI QX56 Factory Service Manual

Page 2537 of 4083

INFINITI QX56 2008  Factory Service Manual LAN-42
< BASIC INSPECTION >[CAN]
DIAGNOSIS AND REPAIR WORKFLOW
Diagnosis Sheet (CAN Type 3)
INFOID:0000000001282386
JPMIA0295GB
Revision: March 2010 2008 QX56

Page 2538 of 4083

INFINITI QX56 2008  Factory Service Manual LAN
DIAGNOSIS AND REPAIR WORKFLOWLAN-43
< BASIC INSPECTION > [CAN]
C
D
E
F
G H
I
J
K L
B A
O P
N
Diagnosis Sheet (CAN Type 4)INFOID:0000000001282387
JPMIA0299GB
Revision: March 2010
2008 QX56

Page 2539 of 4083

INFINITI QX56 2008  Factory Service Manual LAN-44
< FUNCTION DIAGNOSIS >[CAN]
CAN COMMUNICATION SYSTEM
FUNCTION DIAGNOSIS
CAN COMMUNICATION SYSTEM
CAN System Specification ChartINFOID:0000000001282400
Determine CAN system type from the followi

Page 2540 of 4083

INFINITI QX56 2008  Factory Service Manual LAN
CAN COMMUNICATION SYSTEMLAN-45
< FUNCTION DIAGNOSIS > [CAN]
C
D
E
F
G H
I
J
K L
B A
O P
N
Engine speed signal
T RRR R R R R R
Engine status signal TR
Fuel consumption monitor signal TR
RT
ICC stee

Page 2541 of 4083

INFINITI QX56 2008  Factory Service Manual LAN-46
< FUNCTION DIAGNOSIS >[CAN]
CAN COMMUNICATION SYSTEM
NOTE:
CAN data of the air bag diagnosis sensor unit is not us
ed by usual service work, thus it is omitted. 
Tire pressure data signal R T
T

Page 2542 of 4083

INFINITI QX56 2008  Factory Service Manual LAN
TROUBLE DIAGNOSISLAN-47
< FUNCTION DIAGNOSIS > [CAN]
C
D
E
F
G H
I
J
K L
B A
O P
N
TROUBLE DIAGNOSIS
CAN Diagnostic Support MonitorINFOID:0000000001282402
Use “CAN DIAG SUPPORT MNTR” for detec

Page 2543 of 4083

INFINITI QX56 2008  Factory Service Manual LAN-48
< FUNCTION DIAGNOSIS >[CAN]
TROUBLE DIAGNOSIS
Driver Seat Control Unit
0: Error at present, 1 – 39: Error in the past (Number m
eans the number of times the ignition switch is turned OFF →O

Page 2544 of 4083

INFINITI QX56 2008  Factory Service Manual LAN
TROUBLE DIAGNOSISLAN-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