display INFINITI FX35 2008 Service Manual

HOW TO USE THIS SECTIONLAN-37
< SERVICE INFORMATION > [CAN]
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HOW TO USE THIS SECTION
CautionINFOID:0000000001328628
 This section describes information peculiar to a v ehicle, sheets for trouble diagnosis, and inspection proce-
dures.
 For trouble diagnosis procedure LAN-14, "
Trouble Diagnosis Procedure".
Abbreviation ListINFOID:0000000001328629
Abbreviations in CAN communication signal chart, and the diagnosis sheet are as per the following list.
Abbreviation Unit name SELECT SYSTEM
(CONSULT-III) CAN DIAG SUPPORT MNTR
(CONSULT-III)
4WD AWD control unit ALL MODE AWD/4WD AWD/4WD
A-BAG Air bag diagnosis sensor unit AIR BAG – ABS ABS actuator and electric un it (control unit) ABS VDC/TCS/ABS
ADP Driver seat control unit AUTO DRIVE POS. –
BCM BCM BCM BCM/SEC
DISP Display control unit – DISPLAY DLC Data link connector – –
ECM ECM ENGINE ECM
ICC ICC unit ICC ICC
ICC/e4WD
I-KEY Intelligent Key unit INTELLIGENT KEY I-KEY
IPDM-E IPDM E/R IPDM E/R IPDM E/R LANE LDW camera unit LDW –
LASER ICC sensor – ICC SENSOR M&A Unified meter and A/C amp. METER/M&A METER/M&A
STRG Steering angle sensor – STRG TCM TCM TRANSMISSION TCM
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TROUBLE DIAGNOSISLAN-41
< SERVICE INFORMATION > [CAN]
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0: Error at present, 1 – 39: Error in the past (Number m eans 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.
LDW Camera Unit
0: Error at present, 1 – 39: Error in the past (Number m eans 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.
Unified Meter and A/C Amp.
0: Error at present, 1 – 39: Error in the past (Number m eans 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)
ITEM CAN DIAG SUP-
PORT MNTR Description Normal Error
PRSNT PAST PRSNT PAST
I-KEY TRANSMIT DIAG Signal transmission status
OKOK
or
1 – 39
*UNKWN 0
ECM Signal receiving status from the ECM
METER/M&A
Signal receiving status from the unified
meter and A/C amp.
BCM/SEC Signal receiving status from the BCM
ITEM CAN DIAG SUP-
PORT MNTR Description Normal Error
PRSNT PAST PRSNT PAST
LKS TRANSMIT DIAG Not used even though indicated
ECM Signal receiving status from the ECM
OKOK
or
1 – 39
*UNKWN 0
VDC/TCS/ABS
Signal receiving status from the ABS actu-
ator and electric unit (control unit)
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
M&A TRANSMIT DIAG Signal transmission status
OKOK
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 actu-
ator and electric unit (control unit)
IPDM E/R Not used even though indicated
DISPLAY Signal receiving status from the display
control unit
OKOK
or
1 – 39
*UNKWN 0
I-KEY Signal receiving status from the Intelligent
Key unit
EPS Not used even though indicated
AWD/4WD Signal receiving status from the AWD con-
trol unit OKOK
or
1 – 39
*UNKWN 0
e4WD Not used even though indicated
ICC Signal receiving status from the ICC unit OK OK
or
1 – 39
*UNKWN 0
LANE KEEP Not used even though indicated
TIRE-P
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LAN-42
< SERVICE INFORMATION >[CAN]
TROUBLE DIAGNOSIS
CAUTION:
Never replace the unit even when “NG” is indicated on the “INITIAL DIAG” at this stage. Follow the trouble diagnosis proce-
dures.
Driver Seat Control Unit
NOTE:
Replace the unit when “NG” is i
ndicated on the “INITIAL DIAG”.
IPDM E/R
0: Error at present, 1 – 39: Error in the past (Number m eans 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.
MONITOR ITEM LIST (ON-BOARD DIAGNOSIS)
Display Control Unit
NOTE:
CAN diagnostic support monitor of the display control unit is indicated on the vehicle display. Refer to AV-77,
"CAN Diagnostic Support Monitor".
ITEMCAN DIAG SUP-
PORT MNTR DescriptionNormal Error
PRSNT
ABS INITIAL DIAG Status of CAN controller
OKNG
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 Not used even though indicated
AWD/4WD Signal receiving status from the AWD control unit OK UNKWN
ITEM CAN DIAG SUP-
PORT MNTR DescriptionNormal Error
PRSNT
ADP INITIAL DIAG Status of CAN controller
OKNG
TRANSMIT DIAG Signal transmission status
UNKWN
BCM/SEC Signal receiving status from the BCM
METER/M&A Signal receiving status from the unified meter and A/C amp.
TCM Signal receiving status from the TCM
ITEM
CAN DIAG SUP-
PORT MNTR Description Normal Error
PRSNT PAST PRSNT PAST
IPDM-E TRANSMIT DIAG Signal transmission status
OKOK
or
1 – 39
*UNKWN 0
ECM Signal receiving status from the ECM
BCM/SEC Signal receiving status from the BCM
PKIB6080E
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TROUBLE DIAGNOSISLAN-43
< SERVICE INFORMATION > [CAN]
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*: The error counter stops counting when it reaches “50” and holds “50” until it is deleted.
CAN System Specification ChartINFOID:0000000001328635
Determine CAN system type from the following specific ation chart. Then choose the correct diagnosis sheet.
NOTE:
Refer to LAN-14, "
Trouble Diagnosis Procedure" for how to use CAN system specification chart.
VEHICLE EQUIPMENT IDENTIFICATION INFORMATION
NOTE:
Unit name Diagnosis item Description Indicated items on CAN DIAG SUPPORT MONITOR
Normal Error
Result indi- cated Error
counter
(Reference) Result indi-
cated Error
counter
(Reference)
Display control
unit CAN_COMM Status of CAN controller
OK0
or
1 – 50* NG
1 – 50*
CAN_CIRC_1 Signal transmission status
UNKWN
CAN_CIRC_2 Signal receiving status from the
BCM
CAN_CIRC_3 Signal receiving status from the
ECM
CAN_CIRC_4 Not used even though indicated
CAN_CIRC_5 Signal receiving status from the uni-
fied meter and A/C amp. OK0
or
1 – 50* UNKWN 1 – 50*
CAN_CIRC_6 Not used even though indicated
CAN_CIRC_7 Signal receiving status from the
IPDM E/R
OK0
or
1 – 50* UNKWN 1 – 50*
CAN_CIRC_8 Not used even though indicated
CAN_CIRC_9
Body type Wagon
Axle 2WD AWD
Engine VQ35DE VK45DE
Transmission A/T
Brake control VDC
ICC system ×××
Intelligent Key system ×× ××××
Lane departure warning system ×××
CAN system type 12345678
Diagnosis sheet LAN-60
LAN-61LAN-62LAN-63LAN-64LAN-65LAN-66LAN-67
CAN communication signal chart “TYPE 1/TYPE 2” “TYPE 3” “TYPE 4/TYPE 5/
TYPE 7” “TYPE 6/
TYPE 8” “TYPE 4/
TYPE 5/
TYPE 7” “TYPE 6/
TYPE 8”
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TROUBLE DIAGNOSISLAN-47
< SERVICE INFORMATION > [CAN]
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ICC steering switch signal T R
Malfunctioning indicator lamp signal T R
Snow mode switch signal RT
TR
Wide open throttle position signal T R
A/C switch/indicator signal TR
RT
System setting signal TR R
RT T
Buzzer output signal TR
TR
TR
ICC OD cancel request signal T R
ICC operation signal R T
ICC system display signal T R
ICC warning lamp signal T R
A/T CHECK indicator lamp signal T R
A/T self-diagnosis signal R T
Current gear position signal R T R
Manual mode indicator signal R T R
Output shaft revolution signal R R T R
P range signal R T R R
Shift position indicator signal R T R
Turbine revolution signal R R T
A/C switch signal R T
Blower fan motor switch signal R T
Day time running light request signal T R
Door lock/unlock status signal T R
Door switch signal R T R 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 T R R
Key fob door unlock signal T R
Key fob ID signal T R
Key switch signal T R
Low beam request signal T R
Oil pressure switch signal RT
TR
Position light request signal T R R
Rear window defogger switch signal T R
Run flat tire warning lamp signal T R Signal name/Connecting unit
ECM
DISP ICC
TCM
BCM
I-KEY
LANE
STRG M&AABS
LASER ADP
IPDM-E
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LAN-52
< SERVICE INFORMATION >[CAN]
TROUBLE DIAGNOSIS
ICC operation signal R T
ICC system display signal T R
ICC warning lamp signal T R
A/T CHECK indicator lamp signal T R
A/T self-diagnosis signal R T
Current gear position signal R T R
Manual mode indicator signal R T R
Output shaft revolution signal R R T R
P range signal R T R R
Shift position indicator signal R T R
Turbine revolution signal R R T
A/C switch signal R T
Blower fan motor switch signal R T
Day time running light request signal T R
Door lock/unlock status signal T R
Door switch signal R T R 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 T R R
Key fob door unlock signal T R
Key fob ID signal T R
Key switch signal T R
Low beam request signal T R
Oil pressure switch signalRT
TR
Position light request signal R T R R
Rear window defogger switch signal T R
Run flat tire warning lamp signal T R
Sleep wake up signal TRRR
RT
Theft warning horn request signal T R
Tire pressure warning lamp signal T R
Turn indicator signal T R R
Alarm request signal R T
Back door open request signal R T
Door lock/unlock request signal R T
Ignition knob switch signal R T
Key warning signal T R
Power window open request signal R T
Steering angle sensor signal T R
Distance to empty signal R T Signal name/Connecting unit
ECM
4WD
DISP ICC
TCM
BCM
I-KEY
LANE
STRG M&A
ABS
LASER ADP
IPDM-E
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TROUBLE DIAGNOSISLAN-59
< SERVICE INFORMATION > [CAN]
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CAN diagnostic support monitor of the display control unit is indicated on the vehicle display. Refer to AV-77,
"CAN Diagnostic Support Monitor".
SKIB8871E
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LAN-68
< SERVICE INFORMATION >[CAN]
TROUBLE DIAGNOSIS
Component Parts Location
INFOID:0000000001328647
Harness LayoutINFOID:0000000001328648
Refer to PG-40, "Harness Layout".
Malfunction Area ChartINFOID:0000000001328649
MAIN LINE
BRANCH LINE
1. AWD control unit M92 2. ICC unit M88 3. ECM M90
4. IPDM E/R E9 5. ICC sensor E39 6. Display control unit M76
7. Unified meter and A/C amp. M55 8. Steering angle sensor M14 9. Intelligent Key unit M34
10. ABS actuator and el ectric unit (con-
trol unit) E56 11. BCM M3 12. Data link connector M5
13. LDW camera unit R9 14. Driver seat control unit B152 15. A/T assembly F44
16. Air bag diagnosis sensor unit M72
PKID0616E
Malfunction Area Reference
Main line between TCM and data link connector LAN-69, "
Main Line Between TCM and Data Link Connector"
Main line between data link connector and unified meter and A/C
amp.LAN-69, "Main Line Between Data Link Connector and Unified
Meter and A/C Amp."
Main line betwee
n unified meter and A/C amp. and ABS actuator
and electric unit (control unit) LAN-70, "Main Line Between Unified Meter and A/C Amp. and
ABS Actuator and Electric Unit (Control Unit)"
Main line between ABS actuator and electric unit (control unit)
and driver seat control unitLAN-71, "Main Line Between ABS Actuator and Electric Unit
(Control Unit) and Driver Seat Control Unit"
Malfunction Area Reference
ECM branch line circuit LAN-72, "
ECM Branch Line Circuit"
AWD control unit branch line circuit LAN-72, "AWD Control Unit Branch Line Circuit"
Display control unit branch line circuit LAN-73, "Display Control Unit Branch Line Circuit"
ICC unit branch line circuitLAN-74, "ICC Unit Branch Line Circuit"
TCM branch line circuit LAN-74, "TCM Branch Line Circuit"
BCM branch line circuit LAN-75, "BCM Branch Line Circuit"
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TROUBLE DIAGNOSISLAN-73
< SERVICE INFORMATION > [CAN]
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3. Check the terminals and connectors of the AWD control unit for damage, bend and loose connection (unit
side and connector side).
OK or NG
OK >> GO TO 2.
NG >> Repair the terminal and connector.
2.CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect the connector of AWD control unit.
2. Check the resistance between the AWD control unit harness connector terminals.
OK or NG
OK >> GO TO 3.
NG >> Repair the AWD control unit branch line.
3.CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circui t of the AWD control unit. Refer to TF-28, "
Power Supply Circuit
for AWD Control Unit".
OK or NG
OK >>  Present error: Replace the AWD control unit. Refer to TF-35, "Removal and Installation".
 Past error: Error was detected in the AWD control unit branch line.
NG >> Repair the power supply and the ground circuit.
Display Control Unit Branch Line CircuitINFOID:0000000001328656
INSPECTION PROCEDURE
1.CHECK CONNECTOR
1. Turn the ignition switch OFF.
2. Disconnect the battery cabl e from the negative terminal.
3. Check the terminals and connectors of the disp lay control unit for damage, bend and loose connection
(unit side and connector side).
OK or NG
OK >> GO TO 2.
NG >> Repair the terminal and connector.
2.CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect the connector of display control unit.
2. Check the resistance between the display control unit harness connector terminals.
OK or NG
OK >> GO TO 3.
NG >> Repair the display control unit branch line.
3.CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the display control unit. Refer to AV-54, "
Schematic - INF/D -
".
OK or NG
OK >>  Present error: Replace the display control unit. Refer to AV-86, "Removal and Installation of Dis-
play Control Unit".
 Past error: Error was detected in the display control unit branch line.
AWD control unit harness connector Resistance (Ω)
Connector No. Terminal No.
M92 8 16 Approx. 54 – 66
Display control unit harness connector Resistance (Ω)
Connector No. Terminal No.
M76 25 26 Approx. 54 – 66
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LT-16
< SERVICE INFORMATION >
HEADLAMP - XENON TYPE -
Check continuity between BCM harness connector and ground.
OK or NG
OK >> INSPECTION END
NG >> Repair harness or connector.
CONSULT-III Functions (BCM)INFOID:0000000001328275
CONSULT-III can display each diagnostic item using the diagnostic test mode shown following.
CONSULT-III BASIC OPERATION
Refer to GI-34, "Description".
WORK SUPPORT
Display Item List
DATA MONITOR
Display Item List
BCM connector Terminal
GroundContinuity
M4 49
Ye s
52
SKIA5294E
BCM diagnosis part Diagnosis mode Description
HEADLAMP WORK SUPPORT Changes the setting for each function.
DATA MONITOR Displays BCM input data in real time. ACTIVE TEST Operation of electrical loads can be checked by sending drive signal to them.
BCM SELF-DIAG RESULTS BCM performs self-diagnosis of CAN communication.
CAN DIAG SUPPORT MNTR The result of transmit/receive diagnosis of CAN communication can be read.
Item Description CONSULT-III Factory setting
BATTERY SAVER SET Exterior lamp battery saver control mode can be changed in this mode.
Selects exterior lamp battery saver control mode between two ON/OFF. ON
×
OFF —
Monitor item Contents
IGN ON SW “ON/OFF” Displays “IGN posi tion (ON)/OFF, ACC position (OFF)” judged from ignition switch signal.
ACC ON SW “ON/OFF” Displays “ACC (ON)/O FF, Ignition OFF (OFF)” status judged from ignition switch signal.
HI BEAM SW “ON/OFF” Displays status (high beam switch: ON/Others: OFF) of high beam switch judged from light-
ing switch signal.
HEAD LAMP SW 1 “ON/OFF” Displays status (headlamp switch 1: ON/Others: OFF) of headlamp switch 1 judged from
lighting switch signal.
HEAD LAMP SW 2 “ON/OFF” Displays status (headlamp switch 2: ON/Others: OFF) of headlamp switch 2 judged from
lighting switch signal.
LIGHT SW 1 ST “ON/OFF” Displays status (lighting switch 1ST or 2ND position: ON/Others: OFF) of lighting switch
judged from lighting switch signal.
AUTO LIGHT SW
NOTE 1 “ON/OFF” Displays status of lighting switch as judged from lighting switch signal. (AUTO position: ON/
Other than AUTO position: OFF)
PASSING SW “ON/OFF” Displays status (flash-to-pass switch: ON/Others: OFF) of flash-to-pass switch judged from
lighting switch signal.
FR FOG SW “ON/OFF” Displays status (front fog lamp switch: ON/Others: OFF) of front fog lamp switch judged
from lighting switch signal.
RR FOG SW
NOTE 3“OFF” —
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