automatic transmission INFINITI FX35 2006 Service Manual

ABCDEFGHIJKMLQUICK REFERENCE INDEX AGENERAL INFORMATIONGIGeneral InformationBENGINEEMEngine MechanicalLUEngine Lubrication SystemCOEngine Cooling SystemECEngine Control SystemFLFuel SystemEXExhaust SystemACCAccelerator Control SystemCTRANSMISSION/
TRANSAXLEATAutomatic TransmissionDDRIVELINE/AXLETFTransferPRPropeller ShaftFFDFront Final DriveRFDRear Final DriveFAXFront AxleRAXRear AxleESUSPENSIONFSUFront SuspensionRSURear SuspensionWTRoad Wheels & TiresFBRAKESBRBrake SystemPBParking Brake SystemBRCBrake Control SystemGSTEERINGPSPower Steering SystemHRESTRAINTSSBSeat BeltsSRSSupplemental Restraint System
(SRS)IBODYBLBody, Lock & Security SystemGWGlasses, Window System & Mir-
rorsRFRoofEIExterior & InteriorIPInstrument PanelSESeatJAIR CONDITIONERATCAutomatic Air ConditionerKELECTRICALSCStarting & Charging SystemLTLighting SystemDIDriver Information SystemWWWiper, Washer & HornBCSBody Control SystemLANLAN SystemAVAudio Visual, Navigation & Tele-
phone SystemACSAuto Cruise Control SystemPGPower Supply, Ground & Circuit Ele-
mentsLMAINTENANCEMAMaintenanceMINDEXIDXAlphabetical IndexEdition: December 2005
Revision: December 2006

AT-1
AUTOMATIC TRANSMISSION
C TRANSMISSION/TRANSAXLE
CONTENTS
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SECTION AT
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Revision: 2006 December 2006 FX35/FX45
AUTOMATIC TRANSMISSION
INDEX FOR DTC ................................................... ..... 5
Alphabetical Index ............................................... ..... 5
DTC No. Index .................................................... ..... 6
PRECAUTIONS ..................................................... ..... 7
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” ............................................................. ..... 7
Precautions for On Board Diagnostic (OBD) System
of A/T and Engine ............................................... ..... 7
Precautions ......................................................... ..... 8
Service Notice or Precautions ............................. ..... 9
PREPARATION ...................................................... ... 10
Special Service Tools .......................................... ... 10
Commercial Service Tools ................................... .... 11
A/T FLUID .............................................................. ... 12
Changing A/T Fluid ............................................. ... 12
Checking A/T Fluid .............................................. ... 13
A/T Fluid Cooler Cleaning ................................... ... 15
A/T CONTROL SYSTEM ....................................... ... 18
Cross-sectional View (2WD Models) ................... ... 18
Cross-sectional View (VQ35DE Models for AWD) ... 19
Cross-sectional View (VK45DE Models for AWD) ... 20
Shift Mechanism .................................................. ... 21
TCM Function ...................................................... ... 32
CAN Communication ........................................... ... 33
Input/Output Signal of TCM ................................. ... 33
Line Pressure Control ......................................... ... 34
Shift Control ........................................................ ... 35
Lock-up Control ................................................... ... 37
Engine Brake Control .......................................... ... 38
Control Valve ....................................................... ... 38
ON BOARD DIAGNOSTIC (OBD) SYSTEM ......... ... 40
Introduction ......................................................... ... 40
OBD-II Function for A/T System .......................... ... 40
One or Two Trip Detection Logic of OBD-II ......... ... 40
OBD-II Diagnostic Trouble Code (DTC) .............. ... 40
Malfunction Indicator Lamp (MIL) ........................ ... 43
TROUBLE DIAGNOSIS ......................................... ... 44
DTC Inspection Priority Chart ............................. ... 44
Fail-safe .............................................................. ... 44 How to Perform Trouble Diagnosis for Quick and
Accurate Repair ................................................... ... 46
A/T Electrical Parts Location ............................... ... 51
Circuit Diagram .................................................... ... 52
Inspections Before Trouble Diagnosis ................. ... 53
Check Before Engine Is Started .......................... ... 57
Check at Idle ........................................................ ... 57
Cruise Test - Part 1 .............................................. ... 58
Cruise Test - Part 2 .............................................. ... 60
Cruise Test - Part 3 .............................................. ... 61
Vehicle Speed at Which Gear Shifting Occurs .... ... 62
Vehicle Speed at Which Lock-up Occurs/Releases ... 63
Symptom Chart .................................................... ... 64
TCM Input/Output Signal Reference Values ........ ... 89
CONSULT-II Function (A/T) ................................. ... 90
Diagnostic Procedure without CONSULT-II ......... .102
DTC U1000 CAN COMMUNICATION LINE ........... .104
Description ........................................................... .104
On Board Diagnosis Logic ................................... .104
Possible Cause .................................................... .104
DTC Confirmation Procedure .............................. .104
Wiring Diagram — AT — CAN ............................. .105
Diagnostic Procedure .......................................... .106
DTC P0615 START SIGNAL CIRCUIT .................. .107
Description ........................................................... .107
CONSULT-II Reference Value ............................. .107
On Board Diagnosis Logic ................................... .107
Possible Cause .................................................... .107
DTC Confirmation Procedure .............................. .107
Wiring Diagram — AT — STSIG ......................... .108
Diagnostic Procedure .......................................... .109
DTC P0700 TCM .................................................... .. 111
Description ........................................................... ..111
On Board Diagnosis Logic ................................... ..111
Possible Cause .................................................... ..111
DTC Confirmation Procedure .............................. ..111
Diagnostic Procedure .......................................... ..111
DTC P0705 PARK/NEUTRAL POSITION SWITCH .112
Description ........................................................... .112
CONSULT-II Reference Value ............................. .112

A/T FLUID AT-15
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Revision: 2006 December 2006 FX35/FX45
A/T Fluid Cooler CleaningNCS001AV
Whenever an automatic transmission is replaced, the A/T fluid cooler mounted in the radiator must be
inspected and cleaned.
Metal debris and friction material, if present, can become trapped in the A/T fluid cooler. This debris can con-
taminate the newly serviced A/T or, in severe cases, can block or restrict the flow of ATF. In either case, mal-
function of the newly serviced A/T may result.
Debris, if present, may build up as ATF enters the cooler inlet. It will be necessary to back flush the cooler
through the cooler outlet in order to flush out any built up debris.
A/T FLUID COOLER CLEANING PROCEDURE
1. Position an oil pan under the A/T's inlet and outlet cooler hoses.
2. Identify the inlet and outlet A/T fluid cooler hoses.
3. Disconnect the A/T fluid cooler inlet and outlet rubber hoses from the steel cooler tubes or bypass valve.
NOTE:
Replace the cooler hoses if rubber material from the hose
remains on the tube fitting.
4. Allow any ATF that remains in the cooler hoses to drain into the oil pan.
5. Insert the extension adapter hose of a can of Transmission Cooler Cleaner (Nissan P/N 999MP-AM006) into the cooler out-
let hose.
CAUTION:

Wear safety glasses and rubber gloves when spraying
the Transmission Cooler Cleaner.

Spray Transmission Cooler Cleaner only with adequate
ventilation.

Avoid contact with eyes and skin.

Do not breath vapors or spray mist.
6. Hold the hose and can as high as possible and spray Transmis- sion Cooler Cleaner in a continuous stream into the cooler outlet hose until ATF flows out of the cooler
inlet hose for 5 seconds.
7. Insert the tip of an air gun into the end of the cooler outlet hose.
8. Wrap a shop rag around the air gun tip and of the cooler outlet hose.
9. Blow compressed air regulated to 5 to 9 kg/cm
2 (70 to 130 psi)
through the cooler outlet hose for 10 seconds to force out any
remaining ATF.
10. Repeat steps 5 through 9 three additional times.
11. Position an oil pan under the banjo bolts that connect the A/T fluid cooler steel lines to the transmission.
12. Remove the banjo bolts.
13. Flush each steel line from the cooler side back toward the trans- mission by spraying Transmission Cooler Cleaner in a continuous stream for 5 seconds.
14. Blow compressed air regulated to 5 to 9 kg/cm
2 (70 to 130 psi) through each steel line from the cooler
side back toward the transmission for 10 seconds to force out any remaining ATF.
15. Ensure all debris is removed from the steel cooler lines.
16. Ensure all debris is removed from the banjo bolts and fittings.
17. Perform AT- 1 6 , "
A/T FLUID COOLER DIAGNOSIS PROCEDURE" .
SCIA3830E
SCIA3831E
SCIA3832E

AT-16
A/T FLUID
Revision: 2006 December 2006 FX35/FX45
A/T FLUID COOLER DIAGNOSIS PROCEDURE
NOTE:
Insufficient cleaning of the cooler inlet hose exterior may lead to inaccurate debris identification.
1. Position an oil pan under the automatic transmission's inlet and outlet cooler hoses.
2. Clean the exterior and tip of the cooler inlet hose.
3. Insert the extension adapter hose of a can of Transmission Cooler Cleaner (Nissan P/N 999MP-AM006) into the cooler out-
let hose.
CAUTION:

Wear safety glasses and rubber gloves when spraying
the Transmission Cooler Cleaner.

Spray Transmission Cooler Cleaner only with adequate
ventilation.

Avoid contact with eyes and skin.

Do not breath vapors or spray mist.
4. Hold the hose and can as high as possible and spray Transmis- sion Cooler Cleaner in a continuous stream into the cooler outlet hose until ATF flows out of the cooler
inlet hose for 5 seconds.
5. Tie a common white, basket-type coffee filter to the end of the cooler inlet hose.
6. Insert the tip of an air gun into the end of the cooler outlet hose.
7. Wrap a shop rag around the air gun tip and end of cooler outlet hose.
8. Blow compressed air regulated to 5 to 9 kg/cm
2 (70 to 130 psi)
through the cooler outlet hose to force any remaining ATF into
the coffee filter.
9. Remove the coffee filter from the end of the cooler inlet hose.
10. Perform AT- 1 7 , "
A/T FLUID COOLER INSPECTION PROCE-
DURE" .
SCIA3831E
SCIA3833E
SCIA3834E

AT-32
A/T CONTROL SYSTEM
Revision: 2006 December 2006 FX35/FX45
TCM FunctionNCS001AZ
The function of the TCM is to:

Receive input signals sent from various switches and sensors.

Determine required line pressure, shifting point, lock-up operation, and engine brake operation.

Send required output signals to the respective solenoids.
CONTROL SYSTEM OUTLINE
The automatic transmission senses vehicle operating conditions through various sensors or signals. It always
controls the optimum shift position and reduces shifting and lock-up shocks.
CONTROL SYSTEM DIAGRAM
SENSORS (or SIGNALS)

TCM

ACTUATORS
PNP switch
Accelerator pedal position signal
Closed throttle position signal
Wide open throttle position signal
Engine speed signal
A/T fluid temperature sensor
Revolution sensor
Vehicle speed signal
Manual mode switch signal
Stop lamp switch signal
Turbine revolution sensor
ATF pressure switch Shift control
Line pressure control
Lock-up control
Engine brake control
Timing control
Fail-safe control
Self-diagnosis
CONSULT-II communication line
Duet-EA control
CAN system Input clutch solenoid valve
Direct clutch solenoid valve
Front brake solenoid valve
High and low reverse clutch
solenoid valve
Low coast brake solenoid valve
Torque converter clutch solenoid
valve
Line pressure solenoid valve
A/T CHECK indicator lamp
Starter relay
Back-up lamp relay
SCIA5325E

AT-116
DTC P0717 TURBINE REVOLUTION SENSOR
Revision: 2006 December 2006 FX35/FX45
DTC P0717 TURBINE REVOLUTION SENSORPFP:31935
DescriptionNCS001RN
The turbine revolution sensor detects input shaft rpm (revolutions per minute). It is located on the input side of
the automatic transmission. Monitors revolution of sensor 1 and sensor 2 for non-standard conditions.
CONSULT-II Reference ValueNCS001E2
On Board Diagnosis LogicNCS001E3

This is an OBD-II self-diagnostic item.

Diagnostic trouble code “P0717 TURBINE REV S/CIRC” with CONSULT-II or 11th judgement flicker with-
out CONSULT-II is detected under the following conditions.
–When TCM does not receive the proper voltage signal from the sensor.
–When TCM detects an irregularity only at position of 4th gear for turbine revolution sensor 2.
Possible CauseNCS001E4

Harness or connectors
(Sensor circuit is open or shorted.)

Turbine revolution sensor 1 and/or 2
DTC Confirmation ProcedureNCS001E5
CAUTION:

Always drive vehicle at a safe speed.

Be careful not to rev engine into the red zone on the tachometer.
NOTE:
If “DTC Confirmation Procedure” has been previously performed, always turn ignition switch OFF and
wait at least 10 seconds before performing the next test.
After the repair, perform the following procedure to confirm the malfunction is eliminated.
WITH CONSULT-II
1. Turn ignition switch ON. (Do not start engine.)
2. Select “SELECTION FROM MENU” in “DATA MONITOR” mode for “A/T” with CONSULT-II and check monitor “VHCL/S SE-AT”,
“ENGINE SPEED”, “ACCELE POSI”, “SLCT LVR POSI” and
“GEAR”.
3. Touch “START”.
4. Start engine and maintain the following conditions for at least 5 consecutive seconds.
VHCL/S SE-A/T: 40 km/h (25 MPH) or more
ENGINE SPEED: 1,500 rpm or more
ACCELE POSI: More than 0.5/8
SLCTLVR POSI: “D” position
GEAR (Turbine revolution sensor 1): “4” or “5” position
GEAR (Turbine revolution sensor 2): All positions
Driving location: Driving the vehicle uphill (increased engine load) will help maintain the driving
conditions required for this test.
5. If DTC is detected, go to AT- 11 7 , "
Diagnostic Procedure" .
WITH GST
Follow the procedure “WITH CONSULT-II”.
Item name Condition Display value
TURBINE REV During driving (lock-up ON) Approximately matches the engine speed.
BCIA0031E

SERVICE DATA AND SPECIFICATIONS (SDS) AT-359
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Revision: 2006 December 2006 FX35/FX45
SERVICE DATA AND SPECIFICATIONS (SDS)PFP:00030
General SpecificationsNCS001IZ
*1: Refer to MA-12, "Fluids and Lubricants" .
Vehicle Speed at Which Gear Shifting OccursNCS001J0
2WD MODELS

At half throttle, the accelerator opening is 4/8 of the full opening.
AWD MODELS

At half throttle, the accelerator opening is 4/8 of the full opening.

At half throttle, the accelerator opening is 4/8 of the full opening.
Applied model
VQ35DE engine VK45DE engine
2WD AWD
Automatic transmission model RE5R05A
Transmission model code number 90X4B 91X0C 90X4C 91X0D 95X2B 95X8C
Stall torque ratio 2.0 : 1 1.85 : 1
Transmission gear
ratio 1st 3.540 3.827
2nd 2.264 2.368
3rd 1.471 1.520
4th 1.000 1.000
5th 0.834 0.834
Reverse 2.370 2.613
Recommended fluid Genuine NISSAN Matic J ATF*1
Fluid capacity 10.3 liter (10-7/8 US qt, 9-1/8 Imp qt)
CAUTION:

Use only Genuine NISSAN Matic J ATF. Do not mix with other ATF.

Using ATF other than Genuine NISSAN Matic J ATF will deteriorate in driveability and A/T durability, and may damage the
A/T, which is not covered by the warranty.
Engine model VQ35DE
Throttle position Vehicle speed km/h (MPH)
D
1 → D2D2 → D3D3 → D4D4 → D5D5 → D4D4 → D3D3 → D2D2 → D1
Full throttle 68 - 72
(42 - 45) 106 - 114
(66 - 71) 164 - 174
(102 - 108) 235 - 245
(146 - 152) 231 - 241
(144 - 150) 154 - 164
(96 - 102) 89 - 97
(55 - 60) 38 - 42
(23 - 27)
Half throttle 54 - 58
(34 - 36) 83 - 91
(52 - 57) 126 - 136
(78 - 85) 158 - 168
(98 - 104) 103 - 113
(64 - 70) 74 - 84
(46 - 52) 34 - 42
(21 - 26) 11 - 1 5
(7 - 9)
Engine model VQ35DE
Throttle position Vehicle speed km/h (MPH)
D
1 → D2D2 → D3D3 → D4D4 → D5D5 → D4D4 → D3D3 → D2D2 → D1
Full throttle 62 - 66
(39 - 41) 96 - 104
(60 - 65) 149 - 159
(93 - 99) 213 - 223
(132 - 139) 209 - 219
(130 - 136) 121 - 131
(75 - 81) 81 - 89
(50 - 55) 39 - 43
(24 - 27)
Half throttle 49 - 53
(30 - 33) 75 - 83
(47 - 52) 114 - 124
(71 - 77) 141 - 151
(88 - 94) 94 - 104
(58 - 65) 66 - 76
(41 - 47) 31 - 39
(19 - 24) 11 - 1 5
(7 - 9)
Engine model VK45DE
Throttle position Vehicle speed km/h (MPH)
D
1 → D2D2 → D3D3 → D4D4 → D5D5 → D4D4 → D3D3 → D2D2 → D1
Full throttle 59 - 63
(37 - 39) 95 - 103
(59 - 64) 147 - 157
(92 - 98) 219 - 229
(137 - 143) 215 - 225
(134 - 141) 130 - 140
(81 - 88) 82 - 90
(51 - 56) 35 - 39
(22 - 24)
Half throttle 48 - 52
(30 - 33) 77 - 85
(48 - 53) 121 - 131
(76 - 82) 153 - 163
(96 - 102) 121 - 131
(76 - 82) 67 - 77
(42 - 48) 39 - 47
(24 - 29) 9 - 13
(6 - 8)

ATC-1
AUTOMATIC AIR CONDITIONER
J AIR CONDITIONER
CONTENTS
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Revision: 2006 December 2006 FX35/FX45
AUTOMATIC AIR CONDITIONER
PRECAUTIONS ..................................................... ..... 5
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” ............................................................. ..... 5
Precautions Necessary for Steering Wheel Rotation
After Battery Disconnect ..................................... ..... 5
OPERATION PROCEDURE ............................ ..... 5
Precautions for Procedures without Cowl Top Cover ..... 6
Precautions for Working with HFC-134a (R-134a) ..... 6
CONTAMINATED REFRIGERANT .................. ..... 7
General Refrigerant Precautions ......................... ..... 7
Precautions for Refrigerant Connection .............. ..... 8
ABOUT ONE-TOUCH JOINT ........................... ..... 8
FEATURES OF NEW TYPE REFRIGERANT
CONNECTION ................................................. ... 10
O-RING AND REFRIGERANT CONNECTION .... 11
Precautions for Servicing Compressor ................ ... 13
Precautions for Service Equipment ..................... ... 13
RECOVERY/RECYCLING EQUIPMENT ......... ... 13
ELECTRICAL LEAK DETECTOR .................... ... 13
VACUUM PUMP .............................................. ... 14
MANIFOLD GAUGE SET ................................. ... 14
SERVICE HOSES ............................................ ... 14
SERVICE COUPLERS ..................................... ... 15
REFRIGERANT WEIGHT SCALE ................... ... 15
CHARGING CYLINDER ................................... ... 15
Precautions for Leak Detection Dye .................... ... 16
IDENTIFICATION ............................................. ... 16
IDENTIFICATION LABEL FOR VEHICLE ........ ... 16
PREPARATION ...................................................... ... 17
Special Service Tools .......................................... ... 17
HFC-134a (R-134a) Service Tools and Equipment ... 18
Commercial Service Tools ................................... ... 20
REFRIGERATION SYSTEM .................................. ... 21
Refrigerant Cycle ................................................ ... 21
REFRIGERANT FLOW .................................... ... 21
FREEZE PROTECTION .................................. ... 21
Refrigerant System Protection ............................ ... 21
REFRIGERANT PRESSURE SENSOR .......... ... 21
PRESSURE RELIEF VALVE ............................ ... 21 V-6 Variable Displacement Compressor ..............
... 22
GENERAL INFORMATION .............................. ... 22
DESCRIPTION ................................................. ... 23
Component Layout .............................................. ... 26
LUBRICANT ........................................................... ... 27
Maintenance of Lubricant Quantity in Compressor ... 27
LUBRICANT ..................................................... ... 27
LUBRICANT RETURN OPERATION ............... ... 27
LUBRICANT ADJUSTING PROCEDURE FOR
COMPONENTS REPLACEMENT EXCEPT
COMPRESSOR ............................................... ... 28
LUBRICANT ADJUSTING PROCEDURE FOR
COMPRESSOR REPLACEMENT .................... ... 29
AIR CONDITIONER CONTROL ............................ ... 30
Description of Air Conditioner LAN Control System ... 30
System Construction ........................................... ... 30
OPERATION ..................................................... ... 30
TRANSMISSION DATA AND TRANSMISSION
ORDER ............................................................ ... 31
AIR MIX DOOR CONTROL (AUTOMATIC TEM-
PERATURE CONTROL) .................................. ... 32
FAN SPEED CONTROL ................................... ... 32
INTAKE DOOR CONTROL .............................. ... 32
MODE DOOR CONTROL ................................ ... 32
MAGNET CLUTCH CONTROL ........................ ... 33
SELF-DIAGNOSIS SYSTEM ........................... ... 33
Description of Control System ............................. ... 34
Control Operation ................................................ ... 34
DISPLAY SCREEN ........................................... ... 35
AUTO SWITCH ................................................ ... 35
TEMPERATURE CONTROL SWITCH (POTEN-
TIO TEMPERATURE CONTROL) (DRIVER
SIDE) ................................................................ ... 35
TEMPERATURE CONTROL SWITCH (POTEN-
TIO TEMPERATURE CONTROL) (PASSEN-
GER SIDE) ....................................................... ... 35
INTAKE SWITCH .............................................. ... 35
DEFROSTER (DEF) SWITCH .......................... ... 35
REAR WINDOW DEFOGGER SWITCH .......... ... 35
OFF SWITCH ................................................... ... 35

ATC-32
AIR CONDITIONER CONTROL
Revision: 2006 December 2006 FX35/FX45
Stop Signal:
At the end of each transmission, a stop operation, in-operation, or internal malfunction message is delivered to
the unified meter and A/C amp. This completes one data transmission and control cycle.
AIR MIX DOOR CONTROL (AUTOMATIC TEMPERATURE CONTROL)
The air mix doors are automatically controlled so that in-vehicle temperature is maintained at a predetermined
value by the temperature setting, ambient temperature, in-vehicle temperature and amount of sunload.
FAN SPEED CONTROL
Blower speed is automatically controlled by the temperature setting, ambient temperature, in-vehicle tempera-
ture, intake temperature, amount of sunload and air mix door position.
With pressing AUTO switch, the blower motor starts to gradually increase air flow volume.
When engine coolant temperature is low, the blower motor operation is delayed to prevent cool air from flow-
ing.
INTAKE DOOR CONTROL
The intake doors are automatically controlled by the temperature setting, ambient temperature, in-vehicle tem-
perature, intake temperature, amount of sunload and ON/OFF operation of the compressor.
MODE DOOR CONTROL
The mode door is automatically controlled by the temperature setting, ambient temperature, in-vehicle temper-
ature, intake temperature and amount of sunload.
RJIA1749E

REMOTE KEYLESS ENTRY SYSTEM BL-57
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Revision: 2006 December 2006 FX35/FX45
Panic Alarm Operation
When key switch is OFF (when ignition key is not inserted in key cylinder), BCM turns on and off horn and
headlamp intermittently with input of PANIC ALARM signal from key fob.
The alarm automatically turns off after 25 seconds or when BCM receives any signal from key fob.
Panic alarm operation mode can be changed using “PANIC ALARM SET” mode in “WORK SUPPORT”.
Refer to BL-65, "
Work Support" .
For detailed description, refer to BL-180, "
VEHICLE SECURITY (THEFT WARNING) SYSTEM" .
Keyless Power Window Down (Open) Operation
When key fob unlock switch is turned ON with ignition switch OFF, and key fob unlock switch is detected to be
on continuously for 3 seconds, the driver's door and passenger's door power windows are simultaneously
opened.
Power window is operated to open and the operation continues as long as the key fob unlock switch is
pressed.
Keyless power window down operation mode can be changed using “PW DOWN SET” mode in “WORK SUP-
PORT”. Refer to BL-65, "
Work Support"
Room Lamp and Ignition Key Ring Illumination Operation
When the following conditions come:

condition of interior lamp switch is DOOR position;

door switch OFF (when all the doors are closed);
Remote keyless entry system turns on interior lamp (for 30 seconds) with input of UNLOCK signal from key
fob. For detailed description, refer to LT- 1 5 6 , "
INTERIOR ROOM LAMP" .
CAN Communication System DescriptionNIS001MJ
CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle mul-
tiplex communication line with high data communication speed and excellent error detection ability. Many elec-
tronic control units are equipped onto a vehicle, and each control unit shares information and links with other
control units during operation (not independent). In CAN communication, control units are connected with 2
communication lines (CAN H line, CAN L line) allowing a high rate of information transmission with less wiring.
Each control unit transmits/receives data but selectively reads required data only.
CAN Communication UnitNIS001MK
Refer to LAN-32, "CAN Communication Unit" .