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![INFINITI QX56 2006 Factory Service Manual LAN-36
[CAN]
CAN COMMUNICATION
Revision: November 20092006 QX56
ASCD CRUISE lamp signalTR
ASCD OD cancel request signal T R
ASCD operation signal T R
ASCD SET lamp signal TR
Battery voltage signal T R INFINITI QX56 2006 Factory Service Manual LAN-36
[CAN]
CAN COMMUNICATION
Revision: November 20092006 QX56
ASCD CRUISE lamp signalTR
ASCD OD cancel request signal T R
ASCD operation signal T R
ASCD SET lamp signal TR
Battery voltage signal T R](/manual-img/42/57028/w960_57028-2304.png)
LAN-36
[CAN]
CAN COMMUNICATION
Revision: November 20092006 QX56
ASCD CRUISE lamp signalTR
ASCD OD cancel request signal T R
ASCD operation signal T R
ASCD SET lamp signal TR
Battery voltage signal T R
Closed throttle position signal T R R
Cooling fan speed request signal T R
Engine coolant temperature signal TRR
Engine speed signal T RRR R R R R
Engine status signal TR
Fuel consumption monitor signal TR
TR
ICC steering switch signal TR
Malfunction indicator lamp signal TR
Wide open throttle position signal T R
A/T CHECK indicator lamp signal TR
A/T fluid temperature sensor signal TR
A/T position indicator lamp signal TR R R
A/T self-diagnosis signal R T
Current gear position signal TR R
Output shaft revolution signal R TR R
P range signal TR R R
Turbine revolution signal R TR
ICC sensor signal T R
Buzzer output signal TR
RT
ICC OD cancel request signal R RT
ICC operation signal R RT
ICC system display signal TR
System setting signal TR
RT
1st position switch signal RT
4th position switch signal RT
Distance to empty signal T R
Signals
ECM
TCM
ICC sensor
*1
ICC unit
*1
Driver seat control unit Combination meter
Display control unit BCM
Steering angle sensor Front air control
Transfer control unit
ABS actuator and electric unit (control unit) IPDM E/R
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![INFINITI QX56 2006 Factory Service Manual CAN COMMUNICATIONLAN-37
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Fuel level low warning signalT R
Fuel level sensor signal RT
Parking brake switch signal TR
Stop lamp switch INFINITI QX56 2006 Factory Service Manual CAN COMMUNICATIONLAN-37
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Fuel level low warning signalT R
Fuel level sensor signal RT
Parking brake switch signal TR
Stop lamp switch](/manual-img/42/57028/w960_57028-2305.png)
CAN COMMUNICATIONLAN-37
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Fuel level low warning signalT R
Fuel level sensor signal RT
Parking brake switch signal TR
Stop lamp switch signal RTR
Tow mode switch signal RT
Vehicle speed signal RR
RT
RRR R T RR
A/C switch/indicator signal TR
RT
A/C switch signal RTR
Blower fan motor switch signal RT
Day time running light request signal TR
Door switch signal R R R TR
Front fog light request signal TR
Front wiper request signal RT R
High beam request signal RT R
High beam status signal R T
Horn chirp signal TR
Ignition switch signal RT R
Key fob door unlock signal RT
Key fob ID signal RT
Key switch signal RT
Low beam request signal TR
Low beam status signal R T
Position light request signal RT R
Rear window defogger switch signal TR R
Sleep wake up signal R RT R
Theft warning horn request signal TR
Tire pressure data signal R T
Tire pressure signal RT
Turn indicator signal RT
Steering angle sensor signal TR
ABS malfunction signal RT
ABS warning lamp signal RT
Signals
ECM
TCM
ICC sensor
*1
ICC unit
*1
Driver seat control unit Combination meter
Display control unit BCM
Steering angle sensor Front air control
Transfer control unit
ABS actuator and electric unit (control unit) IPDM E/R
Page 2307 of 3383
LAN-38
[CAN]
CAN COMMUNICATION
Revision: November 20092006 QX56
*1: with ICC model only
Brake pressure sensor signal
RT
Brake warning lamp signal RT
SLIP indicator lamp signal RT
TCS malfunction signal RT
VDC malfunction signal RT
VDC OFF indicator lamp signal RR T
VDC operation signal RT
Front wiper stop position signal RT
Hood switch signal RT
Rear window defogger control signal RR T
Signals
ECM
TCM
ICC sensor
*1
ICC unit
*1
Driver seat control unit Combination meter
Display control unit BCM
Steering angle sensor Front air control
Transfer control unit
ABS actuator and electric unit (control unit) IPDM E/R
Page 2308 of 3383
CAN SYSTEM (TYPE 1)LAN-39
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CAN SYSTEM (TYPE 1)PFP:23710
Component Parts and Harness Connector LocationUKS004SV
Refer to LAN-26, "Component Parts and Harness Connector Location" .
SchematicUKS004SW
Refer to LAN-27, "Schematic" .
Wiring Diagram — CAN —UKS004SX
Refer to LAN-28, "Wiring Diagram — CAN —" .
Page 2309 of 3383
LAN-40
[CAN]
CAN SYSTEM (TYPE 1)
Revision: November 20092006 QX56
Check SheetUKS004SY
NOTE:
If a check mark is put on “NG” on “INITIAL DIAG (Initial diagnosis) ”, replace the control unit.
PKIC2943E
Page 2310 of 3383
CAN SYSTEM (TYPE 1)LAN-41
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Revision: November 2009 2006 QX56
PKIB6658E
Page 2311 of 3383
LAN-42
[CAN]
CAN SYSTEM (TYPE 1)
Revision: November 20092006 QX56
CHECK SHEET RESULTS (EXAMPLE)
NOTE:
If a check mark is put on “NG” on “INITIAL DIAG (Initial diagnosis) ”, replace the control unit.
Case 1
Check harness between TCM and driver seat control unit. Refer to LAN-124, "Inspection Between TCM and
Driver Seat Control Unit Circuit" .
PKIC3274E
PKIC2781E
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CAN SYSTEM (TYPE 1)LAN-43
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Case 2
Check harness between driver seat control unit and data link connector. Refer to LAN-126, "Inspection
Between Driver Seat Control Unit and Data Link Connector Circuit" .
PKIC3275E
PKIC2782E