Infiniti QX56 (JA60). Manual — part 661
LAN
DIAGNOSIS AND REPAIR WORKFLOW
LAN-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:0000000005146461
JPMIA1558GB
LAN-44
< FUNCTION DIAGNOSIS >
[CAN]
CAN COMMUNICATION SYSTEM
FUNCTION DIAGNOSIS
CAN COMMUNICATION SYSTEM
CAN System Specification Chart
INFOID:0000000005146462
Determine CAN system type from the following specification chart. Then choose the correct diagnosis sheet.
NOTE:
LAN-14, "Trouble Diagnosis Procedure"
for how to use CAN system specification chart.
×: Applicable
VEHICLE EQUIPMENT IDENTIFICATION INFORMATION
NOTE:
Check CAN system type from the vehicle shape and equipment.
CAN Communication Signal Chart
INFOID:0000000005146463
LAN-13, "How to Use CAN Communication Signal Chart"
for how to use CAN communication signal
chart.
NOTE:
for the abbreviations of the connecting units.
T: Transmit R: Receive
Body type
Wagon
Axle
2WD
4WD
Engine
VK56DE
Transmission
A/T
Brake control
VDC
ICC system
×
×
CAN system type
1
2
3
4
Diagnosis sheet
AWMIA0012GB
Signal name/Connecting unit
ECM
TCM
LASER
IC
C
ADP
AV
BCM
HV
AC
I-
KEY
M&
A
STRG
4W
D
ABS
IPDM
-E
Accelerator pedal position signal
T
R
R
R
R
A/C compressor request signal
T
R
ASCD CRUISE lamp signal
T
R
ASCD OD cancel request signal
T
R
ASCD operation signal
T
R
ASCD SET lamp signal
T
R
Battery voltage signal
T
R
Closed throttle position signal
T
R
R
Cooling fan speed request signal
T
R
Engine coolant temperature signal
T
R
R
LAN
CAN COMMUNICATION SYSTEM
LAN-45
< FUNCTION DIAGNOSIS >
[CAN]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
Engine speed signal
T
R
R
R
R
R
R
R
R
Engine status signal
T
R
Fuel consumption monitor signal
T
R
R
T
ICC steering switch signal
T
R
Malfunction indicator lamp signal
T
R
Wide open throttle position signal
T
R
A/T CHECK indicator lamp signal
T
R
A/T fluid temperature sensor signal
T
R
A/T position indicator lamp signal
T
R
R
R
A/T self-diagnosis signal
R
T
Current gear position signal
T
R
R
Input speed signal
R
T
R
Output shaft revolution signal
R
T
R
R
P range signal
T
R
R
R
R
ICC sensor signal
T
R
Buzzer output signal
T
R
T
R
ICC OD cancel request signal
R
R
T
ICC operation signal
R
R
T
ICC system display signal
T
R
System setting signal
T
R
T
R
T
R
A/C switch/indicator signal
T
R
R
T
A/C switch signal
R
T
R
Blower fan motor switch signal
R
T
Day time running light request signal
T
R
R
Door lock/unlock status signal
T
R
Door switch signal
R
R
T
R
R
R
Front fog light request signal
T
R
Front wiper request signal
R
T
R
High beam request signal
T
R
R
Horn chirp signal
T
R
Ignition switch signal
R
T
R
R
Key fob door unlock signal
R
T
Key fob ID signal
R
T
Key switch signal
R
T
Low beam request signal
T
R
Position light request signal
T
R
R
Rear window defogger switch signal
T
R
R
Sleep wake up signal
R
T
R
R
Theft warning horn request signal
T
R
Signal name/Connecting unit
ECM
TCM
LASER
ICC
ADP
AV
BCM
HV
AC
I-KEY
M&A
STRG
4WD
ABS
IPDM
-E
LAN-46
< FUNCTION DIAGNOSIS >
[CAN]
CAN COMMUNICATION SYSTEM
NOTE:
CAN data of the air bag diagnosis sensor unit is not used by usual service work, thus it is omitted.
Tire pressure data signal
R
T
Tire pressure signal
R
T
R
Turn indicator signal
T
R
Buzzer output signal
T
R
Door lock/unlock request signal
R
T
Hazard request signal
R
T
Hazard warning lamp request signal
R
T
Ignition knob switch signal
R
T
KEY warning signal
T
R
LOCK warning signal
T
R
Panic alarm request signal
R
T
Power window open request signal
R
T
1st position switch signal
R
T
4th position switch signal
R
T
Distance to empty signal
R
T
Fuel level low warning signal
R
T
Fuel level sensor signal
R
T
Parking brake switch signal
R
T
Seat belt buckle switch signal
R
T
Stop lamp switch signal
R
T
Tow mode switch signal
R
T
Vehicle speed signal
R
R
R
R
R
R
R
T
R
R
R
T
Steering angle sensor signal
T
R
ABS malfunction signal
R
T
ABS warning lamp signal
R
T
Brake pressure sensor signal
R
T
Brake warning lamp signal
R
T
SLIP indicator lamp signal
R
T
TCS malfunction signal
R
T
VDC malfunction signal
R
T
VDC OFF indicator lamp signal
R
R
T
VDC operation signal
R
T
Front wiper stop position signal
R
T
High beam status signal
R
T
Hood switch signal
R
T
Low beam status signal
R
T
Rear window defogger control signal
R
R
T
Signal name/Connecting unit
ECM
TCM
LASER
ICC
ADP
AV
BCM
HV
AC
I-KEY
M&A
STRG
4WD
ABS
IPDM
-E
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