2007 INFINITI FX35 page 80

RF-16
SUNROOF
Revision: 2006 July 2007 FX35/FX45
Trouble Diagnosis Chart by SymptomNIS001T6
Check BCM Power Supply and Ground CircuitNIS001T7
1. CHECK FUSE

Check 15A fuse [No.1, located in the fuse block (J/B)]

Check 15A fuse [No.22, located in the fuse block (J/B)]

Check 50A fusible link (letter M, located in the fuse and fusible link box).
NOTE:
Refer to RF-10, "
Component Parts and Harness Connector Location" .
OK or NG
OK >> GO TO 2.
NG >> If fuse is blown out, be sure to eliminate cause of malfunction before installing new fuse. Refer to
RF-10, "
Component Parts and Harness Connector Location" .
2. CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch ON.
2. Check voltage between BCM connector M3, M4 terminal 38, 42, 55 and ground.
OK or NG
OK >> GO TO 3.
NG >> Check BCM power supply circuit for open or short.
Symptom Diagnostic procedure and repair order Refer to page
Sunroof does not operate. 1. Check BCM power supply and ground circuit.
RF-16
2. Check sunroof motor assembly power supply and ground circuit.RF-17
3. Check sunroof switch system. RF-18
4. Replace sunroof motor assembly.RF-27
Motor does not stop at the sunroof fully -open
or fully- closed position. 1. Check initialization procedure.
RF-12
2. Replace sunroof motor assembly.RF-27
Retained power operation does not operate
properly. 1. Check the retained power operation mode setting.
RF-152. Check door switch.RF-20
3. Replace sunroof motor assembly.RF-27
Sunroof does not operate the interruption
detection function. Replace sunroof motor assembly.
RF-27
38 (W/L) – Ground : Battery voltage
42 (L/R) – Ground : Battery voltage
55 (G) – Ground : Battery voltage
PIIA6160E

NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING RFD-7
C E F
G H
I
J
K L
M A
B
RFD
Revision: 2006 July 2007 FX35/FX45
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTINGPFP:00003
NVH Troubleshooting ChartNDS000BK
Use the chart below to help you find the cause of the symptom. If necessary, repair or replace these parts.
×: Applicable Reference page
Refer to
RFD-26, "
INSPECTION AFTER DISASSEMBLY
" .
Refer to RFD-20, "
Tooth Contact
" .
Refer to RFD-26, "
INSPECTION AFTER DISASSEMBLY
" .
Refer to RFD-21, "
Backlash
" .
Refer to RFD-22, "
Companion Flange Runout
" .
Refer to RFD-9, "
Checking Differential Gear Oil
" .
NVH in PR section.
NVH in FAX, RAX, FSU and RSU sections.
NVH in WT section.
NVH in WT section.
NVH in FAX and RAX section.
NVH in BR section.
NVH in PS section.
Possible cause and SUSPECTED PARTS
Gear tooth rough
Gear contact improper
Tooth surfaces worn
Backlash incorrect
Companion flange excessive runout
Gear oil improper
PROPELLER SHAFT
AXLE AND SUSPENSION
TIRES
ROAD WHEEL
DRIVE SHAFT
BRAKES
STEERING
Symptom Noise ×××××××××××××

RSU-4
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
Revision: 2006 July 2007 FX35/FX45
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTINGPFP:00003
NVH Troubleshooting ChartNES000G3
Use chart below to help you find the cause of the symptom. If necessary, repair or replace these parts.
×: Applicable Reference page
RSU-7RSU-9—
—
—
RSU-7FSU-6RSU-16
NVH in PR section
NVH in RFD section
NVH in RAX and RSU section NVH in WT section
NVH in WT section
NVH in RAX section NVH in BR sectionNVH in PS section
Possible cause and SUSPECTED PARTS
Improper installation, looseness
Shock absorber deformation, damage or deflection
Bushing or mounting deterioration
Parts interference
Spring fatigue
Suspension looseness
Incorrect wheel alignment
Stabilizer bar fatigue
PROPELLER SHAFT
DIFFERENTIAL
REAR AXLE AND REAR SUSPENSION
TIRES
ROAD WHEEL
DRIVE SHAFT
BRAKES
STEERING
Symptom REAR SUSPENSION Noise
×××××× ××××××××
Shake ×××× × × ××××××
Vibration ××××× × ×× × ×
Shimmy ×××× × ××× ××
Judder ××× ××× ××
Poor quality ride or
handling ××××× ×× ×××

AUTOMATIC DRIVE POSITIONER SE-39
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D E
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G H
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M A
B
SE
Revision: 2006 July 2007 FX35/FX45
8. CHECK GROUND CIRCUIT (AUTOMATIC DRIVE POSITIONER CONTROL UNIT)
Check continuity between the automatic drive positioner control unit
connector M50 terminal 40, 48 and ground.
OK or NG
OK >> Driver seat control unit circuit is OK.
NG >> Repair or replace harness between automatic drive positioner control unit and ground.
CONSULT-II Function (AUTO DRIVE POS.)NIS001UZ
CONSULT-II can display each diagnostic item using the diagnostic test modes shown following.
*1: For setting automatic drive positioner functions only.
*2: During vehicle driving, do not perform active test.
CONSULT-II START PROCEDURE
Refer to GI-38, "CONSULT-II Start Procedure" .
SELF-DIAGNOSIS RESULTS
Display Item List
40 (B) – Ground : Continuity should exist.
48 (B) – Ground : Continuity should exist.
PIIA5088E
CONSULT-II diagnosis items Inspection item, self-diagnosis mode Content
Refer to
page
AUTO DRIVE
POSITIONER WORK SUPPORT*
1Changes the setting for each function.
SE-36
SELF–DIG RESULTS Check the self-diagnosis results. SE-39
DATA MONITOR Selection from menu Displays the input data to driver seat control unit and
automatic driving positioned control unit on real-time
basis. SE-40
CAN DIAGNOSTIC SUPPORT MONITOR
The results of transmit / receive diagnosis of CAN
communication can be read LAN-47
ACTIVE TEST*2Gives a drive signal to a load to check the operation.
SE-41
DRIVER SEAT CONTROL UNIT PART NUM-
BER Displays driver seat control unit part No. —
BCM DATA MONITOR Selection from menu Displays the input data to BCM on real-time basis BL-37
DTC Self-diagnosis item
(CONSULT-II indication) DTC detection condition
Reference
page
U1000 CAN COMM CIRCUIT When driver seat control unit is not transmitting or receiving CAN communication
signal for 2 seconds or more. SE-42
B2112 SEAT SLIDE When any manual and automatic operations are not performed, if any motor
operations of seat slide is detected for 0.1 second or more, status is judged
“Output error”. SE-43SE-55
B2113 SEAT RECLINING
When any manual and automatic operations are not performed, if any motor
operations of seat reclining is detected for 0.1 second or more, status is judged
“Output error”. SE-45SE-56
B2114 SEAT LIFTER FR
When any manual and automatic operations are not performed, if any motor
operations of seat lifting FR is detected for 0.1 second or more, status is judged
“Output error”. SE-46SE-57
B2115 SEAT LIFTER RR
When any manual and automatic operations are not performed, if any motor
operations of seat lifting RR is detected for 0.1 second or more, status is judged
“Output error”. SE-47SE-58

SE-40
AUTOMATIC DRIVE POSITIONER
Revision: 2006 July 2007 FX35/FX45
NOTE:

The displays of CAN communication and P range switch display error detecting condition from memory
erase to the present on “TIME”.
–If error is detected in the past and present error is detected, “CRNT” is displayed.
–If error is detected in the past and present error is not detected, “PAST” is displayed.
–If error has never been detected, nothing is displayed on “TIME”.

Any items other than CAN communication and P range switch count error detection frequency occurred
after erase history to “1-127”.
–If error was detected in the past, error detection frequency from memory erase to the present is displayed
on “TIME”.
–If error has never been detected, nothing is displayed on “TIME”.
–Can clear the detected memory.
Normal: Clear memory in normal condition, history is erased and nothing is displayed on “TIME”.
Error: Clear memory in error condition, error is detected again and “1” is displayed on “TIME”.
DATA MONITOR
Selection from Menu
B2116 TILT OUTPUT When any manual and automatic operations are not performed, if any motor
operations of steering tilt is detected for 0.1 second or more, status is judged
“Output error”. SE-50SE-60
B2118 TILT SENSOR
When tilt sensor detects 0.1V or lower, or 4.9V or higher, for 0.5 seconds or
more. SE-60
B2119 TELESCO SENSOR
When telescopic sensor detects 0.1V or lower, or 4.9V or higher, for 0.5 seconds
or more. SE-59
B2125 P RANGE SWWith the A/T selector lever in P position, if the vehicle speed of 7 km/h (4 MPH) or
higher was input the park position switch input system is judged malfunctioning. SE-81
B2128 UART COMM Malfunction is detected in UART communication.
SE-88
DTC Self-diagnosis item
(CONSULT-II indication) DTC detection condition Reference
page
Monitor item [OPERATION or UNIT] Contents
SLIDE SW–FR “ON/OFF” ON/OFF status judged from the sliding switch (FR) signal is displayed.
SLIDE SW–RR “ON/OFF” ON/OFF status judged from the sliding switch (RR) signal is displayed.
RECLN SW–FR “ON/OFF” ON/OFF status judged from the reclining switch (FR) signal is displayed.
RECLN SW–RR “ON/OFF” ON/OFF status judged from the reclining switch (RR) signal is displayed.
LIFT FR SW–UP “ON/OFF” ON/OFF status judged from the FR lifter switch (UP) signal is displayed.
LIFT FR SW–DN “ON/OFF” ON/OFF status judged from the FR lifter switch (DOWN) signal is displayed.
LIFT RR SW–UP “ON/OFF” ON/OFF status judged from the RR lifter switch (UP) signal is displayed.
LIFT RR SW–DN “ON/OFF” ON/OFF status judged from the RR lifter switch (DOWN) signal is displayed.
MIR CON SW–UP “ON/OFF” ON/OFF status judged from the door mirror remote control switch (UP) signal is
displayed.
MIR CON SW–DN “ON/OFF” ON/OFF status judged from the door mirror remote control switch (DOWN) signal
is displayed.
MIR CON SW–RH “ON/OFF” ON/OFF status judged from the door mirror remote control switch (RIGHT) signal
is displayed.
MIR CON SW–LH “ON/OFF” ON/OFF status judged from the door mirror remote control switch (LEFT) signal s
displayed.
MIR CHNG SW–R “ON/OFF” ON/OFF status judged from the door mirror remote control switch (switching to
RIGHT) signal is displayed.
MIR CHNG SW–L “ON/OFF” ON/OFF status judged from the door mirror remote control switch (switching to
LEFT) signal is displayed.
TELESCO SW-FR “ON/OFF” ON/OFF status judged from the telescoping switch (FR) signal is displayed.
TELESCO SW-RR “ON/OFF” ON/OFF status judged from the telescoping switch (RR) signal is displayed.

SE-42
AUTOMATIC DRIVE POSITIONER
Revision: 2006 July 2007 FX35/FX45
Check CAN Communication SystemNIS001V0
1. CHECK SELF-DIAGNOSTIC RESULT
CAUTION:
If CONSULT-II is used with no connection of CONSULT-II CONVERTER, malfunctions might be
detected in self-diagnosis depending on control unit which carry out CAN communication.
1. Connect CONSULT-II, and turn ignition switch ON.
2. Touch “AUTO DRIVE POS.” on “SELECT SYSTEM” screen.
3. Touch “SELF-DIAG RESULTS” on “SELECT DIAG MODE” screen.
4. Check display content in self-diagnostic results.
Displayed U1000?
Yes >> GO TO LAN-49, "CAN System Specification Chart" .
No >> Inspection END.
Symptom ChartNIS001V1
Symptom Diagnoses / service procedure Refer to
page
Only setting change function cannot be set with display. Interacted display system (without NAVI)
AV- 5 4
Navigation system (with NAVI)AV- 9 3
A part of seat system does not operate
(both automatically and manually). 1. Check sliding motor circuit
SE-43
2. Check reclining motor circuit SE-45
3. Check front lifter motor circuitSE-46
4. Check rear lifter motor circuitSE-47
5. If the above systems are normal, replace the driver
seat control unit SE-15
A part of steering tilt, telescopic and door mirror does not
operate (both automatically and manually). 1. Check tilt motor circuit
SE-50
2. Check telescopic motor circuitSE-49
3. Check driver side mirror motor circuit SE-51
4. Check passenger side mirror motor circuit SE-53
5. If the above systems are normal, replace the
automatic drive positioner control unit SE-15
A part of seat system does not operate
(only automatic operation). 1. Check sliding sensor circuit
SE-55
2. Check reclining sensor circuitSE-56
3. Check front lifting sensor circuitSE-57
4. Check rear lifting sensor circuitSE-58
5. If the above systems are normal, replace the driver
seat control unit SE-15
A part of steering tilt, telescopic system and door mirror
system dose not operate (only automatic operation). 1. Check steering and door mirror sensor power supply
and ground circuit SE-64
2. Check driver side mirror sensor circuit
SE-61
3. Check passenger side mirror sensor circuitSE-62
4. Check tilt sensor circuitSE-60
5. Check telescopic sensor circuitSE-59
6. If all the above systems are normal, replace the
automatic drive positioner control unit SE-15

AUTOMATIC DRIVE POSITIONER SE-43
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M A
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SE
Revision: 2006 July 2007 FX35/FX45
Check Sliding Motor CircuitNIS001V2
1. CHECK SEAT SLIDING MECHANISM
Check the following.

Operation malfunction caused by sliding rail deformation or pinched harness or other foreign materials

Operation malfunction caused by foreign materials adhered to the sliding motor or sliding rail connector
rod

Operation malfunction and interference with other parts by poor installation
OK or NG
OK >>
GO TO 2 (With CONSULT-II).

GO TO 3 (Without CONSULT-II).
NG >> Repair the malfunctioning part and check again.
All the automatic operations do not operate. 1. Check A/T device (park position switch) circuit
SE-81
2. Check key switch circuit (with intelligent key)SE-82
3. Check key switch circuit (without intelligent key)SE-84
4. Check UART communication line circuitSE-88
5. If all the above systems are normal, replace the
automatic drive positioner control unit SE-15
A part of seat system does not operate
(only manual operation). 1. Check sliding switch circuit
SE-67
2. Check reclining switch circuitSE-68
3. Check front lifting switch circuitSE-70
4. Check rear lifting switch circuitSE-71
5. If the above systems are normal, replace the driver
seat control unit SE-15
A part of steering tilt, telescopic and door mirror does not
operate (only manual operation). 1. Check door mirror remote control switch (changeover
switch) circuit SE-77
2. Check door mirror remote control switch (mirror
switch) circuit SE-79
3. Check tilt switch circuit
SE-75
4. Check telescopic switch circuitSE-73
5. If the above systems are normal, replace the
automatic drive positioner control unit SE-15
Only seat memory switch operation dose not operate. 1. Check seat memory switch circuit
SE-852. If the above systems are normal, replace the driver
seat control unit SE-15
Seat memory indicator lamps 1 and 2 do not illuminate. 1. Check seat memory indicator lamp circuit
SE-872. If all the above systems are normal, replace the driver
seat control unit SE-15
The Entry/Exiting does not operated when door is opened
and closed. (The Entry/Exiting operates with key switch) 1. Check front door switch (driver side) circuit
SE-65
2. If all the above systems are normal, replace the BCMBCS-14
Only seat sliding, seat reclining and seat lifting (front and
rear) operations do not operate. Check power seat switch ground circuit
SE-72
Only lumbar support does not operate. Check lumbar support circuit SE-90
Symptom Diagnoses / service procedure Refer to
page

TF-8
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
Revision: 2006 July 2007 FX35/FX45
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTINGPFP:00003
NVH Troubleshooting ChartNDS0009R
Use the chart below to help you find the cause of the symptom. The numbers indicate the order of the inspec-
tion. If necessary, repair or replace these parts.
Reference pageTF-9TF-45TF-45TF-51TF-51TF-51
SUSPECTED PARTS
(Possible cause)
TRANSFER FLUID (Level low)
TRANSFER FLUID (Wrong)
TRANSFER FLUID (Level too high)
LIQUID GASKET (Damaged)
OIL SEAL (Worn or damaged)
GEAR (Worn or damaged)
BEARING (Worn or damaged)
TRANSFER CASE (Damaged)
Symptom Noise 1 2 3 3 3
Transfer fluid leakage 4 1 2 2 3