sunroof INFINITI FX35 2008 User Guide

SQUEAK AND RATTLE TROUBLE DIAGNOSESRF-7
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Most of these incidents can be repaired by adjusting, se curing or insulating the item(s) or component(s) caus-
ing the noise.
SUNROOF/HEADLINING
Noises in the sunroof/headlining area can often be traced to one of the following:
1. Sunroof lid, rail, linkage or seals making a rattle or light knocking noise
2. Sunvisor shaft shaking in the holder
3. Front or rear windshield touching headlining and squeaking
Again, pressing on the components to stop the noise while duplicating the conditions can isolate most of these
incidents. Repairs usually consist of insulating with felt cloth tape.
SEATS
When isolating seat noise it's important to note the pos ition the seat is in and the load placed on the seat when
the noise is present. These conditions should be duplic ated when verifying and isolating the cause of the
noise.
Cause of seat noise include:
1. Headrest rods and holder
2. A squeak between the seat pad cushion and frame
3. Rear seatback lock and bracket
These noises can be isolated by moving or pressing on the suspected components while duplicating the con-
ditions under which the noise occurs. Most of thes e incidents can be repaired by repositioning the component
or applying urethane tape to the contact area.
UNDERHOOD
Some interior noise may be caused by components under the hood or on the engine wall. The noise is then
transmitted into the passenger compartment.
Causes of transmitted underhood noise include:
1. Any component mounted to the engine wall
2. Components that pass through the engine wall
3. Engine wall mounts and connectors
4. Loose radiator mounting pins
5. Hood bumpers out of adjustment
6. Hood striker out of adjustment
These noises can be difficult to isolate since they cannot be reached from the interior of the vehicle. The best
method is to secure, move or insulate one component at a time and test drive the vehicle. Also, engine RPM
or load can be changed to isolate the noise. Repairs c an usually be made by moving, adjusting, securing, or
insulating the component causing the noise.
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RF-10
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SUNROOF
SUNROOF
Component Parts and Harness Connector LocationINFOID:0000000001328033
System DescriptionINFOID:0000000001328034
Power supplied at all time
 through 50A fusible link (letter M, located in the fuse and fusible link box)
 to BCM terminal 55.
 through 15A fuse [No.22, located in the fuse block (J/B)]
 to BCM terminal 42.
 through BCM terminal 54
 to sunroof motor assembly terminal 7.
When ignition switch ON or START position,
Power is supplied
 through 15A fuse [No.1, located in the fuse block (J/B)]
 to BCM terminal 38.
 through BCM terminal 53
 to sunroof motor assembly terminal 9.
Ground is supplied
PIIB8564E
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SUNROOFRF-11
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 to BCM terminal 49 and 52
 through body grounds M35, M45, M85 and R6.
TILT UP / SLIDE CLOSE OPERATION
When tilt up / slide close switch is pressed,
Ground is supplied
 to sunroof motor assembly terminal 1
 through sunroof switch terminal 3
 through sunroof switch terminal 2
 through body grounds M35, M45, M85 and R6.
Then, the sunroof tilt up / slide close.
TILT DOWN / SLIDE OPEN OPERATION
When tilt down / slide open switch is pressed,
Ground is supplied
 to sunroof motor assembly terminal 5
 through sunroof switch terminal 1
 through sunroof switch terminal 2
 through body grounds M35, M45, M85 and R6.
Then, the sunroof tilt down / slide open.
AUTO OPERATION
The power sunroof AUTO feature makes it possible to slide open and slide close or tilt up and tilt down the
sunroof without holding the sunroof switch in the down or up / tilt up or tilt down position.
RETAINED POWER OPERATION
When the ignition switch is turned to OFF position fr om ON position, power is supplied for 45 seconds.
 through BCM terminal 53.
 to sunroof motor assembly terminal 9.
When power is supplied, the sunroof can be operated.
The retained power operation is canceled when the driver or passenger side door is opened.
RAP signal period can be changed by CONSULT-III. Refer to RF-15, "
CONSULT-III Function (BCM)".
ANTI-PINCH FUNCTION
The CPU of sunroof motor monitors the sunroof motor operation and the sunroof position (fully-closed or
other) by the signals from sunroof motor.
When sunroof motor detects an interruption during the following slide close and tilt down operation, sunroof
switch controls the motor for open and the sunroof will operate until full up position (when tilt down operate) or
125 mm (4.92 in) or more in an open direction (when slide close operate).
 close operation and tilt down when ignition switch is in the ON position.
 close operation and tilt down during retained power operation.
MEMORY RESET PROCEDURE
1. Please observe the following instructions while confirming the sunroof operation.
NOTE:
Do not disconnect the electronic power while the sunroof is operating or within 5 seconds after the sunroof
stops. (to wipe-out the memory of lid position and operating friction.)
2. Initialization of system should be conducted after the following conditions.
 When the battery is out or connector is disconnected wh ile sunroof is operating or within 5 seconds after
sunroof stops.
 When the sunroof motor is changed.
 When an emergency handle is used.
 When the sunroof does not operate normally. (Incomplete initialization conditions)
INITIALIZATION PROCEDURE
If the sunroof does not close or open automatically, us e the following procedure to return sunroof operation to
normal.
1. Close the sunroof if it is not in the closed positi on. It may be necessary to repeatedly push the switch to
close the sunroof.
2. Press and hold the TILT UP switch. Do not release the switch, keep pressure on it. After 10 seconds of
depressing, the sunroof will tilt up, then stop. Release the button.
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RF-12
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SUNROOF
3. Press and hold the TILT UP switch again. Do not release the switch, keep pressure on it. While depress-
ing the switch, the sunroof will “Tilt down” “Slide open” “Slide close”. Release the button after the sunroof
“Tilt down” and stops.
4. Initializing procedure is complete. C onfirm proper operation of the sunroof.
CAN Communication System DescriptionINFOID:0000000001328035
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 s peed 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 CA N 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 UnitINFOID:0000000001328036
Refer to LAN-43, "CAN System Specification Chart".
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SUNROOFRF-13
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Wiring Diagram - SROOF -INFOID:0000000001328037
TIWM1691E
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RF-14
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SUNROOF
Terminal and Reference Value for BCM
INFOID:0000000001328038
Terminal and Reference Valu e for Sunroof Motor AssemblyINFOID:0000000001328039
Te r -
minal Wire
color ItemSignal
Input/
Output Condition
Voltage (V)
(Approx.)
Ignition
switch OPeration or condition
12 P/B Front door switch
(passenger side) signal
Input OFFOPEN (ON) 0
CLOSE (OFF) Battery voltage
38 W/L Ignition switch (ON) Input Ignition switch (ON or START) position Battery voltage
42 L/R Power source (Fuse) Input OFF — Battery voltage
49 B Ground (signal) — ON — 0
52 B Ground (power) — ON — 0
53 Y/B RAP signal Output Ignition switch ON Battery voltage
OFF Within 45 seconds after ignition switch is
turned to OFF position
Battery voltage
When driver side or passenger side door
open in power window timer is operates. 0
54 W Power window power supply Output OFF — Battery voltage
55 G Power source (Fusible link) Input OFF — Battery voltage
62 W Front door switch
(driver side) signal Input OFFOPEN (ON) 0
CLOSE (OFF) Battery voltage
Te r -
minal Wire
color Item Signal
Input/
Output Condition
Voltage (V)
(Approx.)
Ignition
switch Operation or condition
1BR Sunroof switch (Tilt up/
Slide close) signal Input ONIgnition switch ON and sunroof
switch in TILT UP/SLIDE
CLOSE position
0
Other than above Battery voltage
5LG Sunroof switch
(Tilt down/Slide open)
signal
Input ONIgnition switch ON and sunroof
switch in TILT DOWN/SLIDE
OPEN position
0
Other than above Battery voltage
7W Power window power
supply
Input OFF — Battery voltage
8 G Vehicle speed signal Input ON Speedometer operated
[When vehicle speed is approx.
40 km/h (25 MPH)]
9 SB RAP signal Input Ignition switch ON Battery voltage
OFF Within 45 seconds after ignition
switch is turned to OFF position
Battery voltage
When driver side or passenger
side door open in power window
timer is operates. 0
10 B Ground — ON — 0
ELF1080D
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SUNROOFRF-15
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Work FlowINFOID:0000000001328040
1. Check the symptom and customer's requests.
2. Understand the outline of system. Refer to RF-10, "
System Description".
3. According to the trouble diagnosis chart, repair or replace the cause of the malfunction. Refer to RF-15,
"Trouble Diagnosis Chart by Symptom".
4. Does sunroof system operate normally? If Yes, GO TO 5. If No, GO TO 3.
5. INSPECTION END.
CONSULT-III Function (BCM)INFOID:0000000001328041
ACTIVE TEST
WORK SUPPORT
DATA MONITOR
Trouble Diagnosis Chart by SymptomINFOID:0000000001328042
BCM diagnostic test item Check item diagnostic test mode Content Refer to page
RETAINED PWR Work support Changes setting of each function.
“WORK SUP-
PORT”
Data monitor Displays the input data of BCM in real time. “DATA MONI-
TOR”
Active test Gives a drive signal to a load to check the operation. “ACTIVE
TEST”
Test Item Description
RETAINED PWR This test is able to supply RAP signal (powe
r) from BCM (body control module) to power window
system and power sunroof system (if equipped). Those systems can be operated when turning on
“RETAINED PWR” on CONSULT-III screen even if the ignition switch is turned OFF.
NOTE:
During this test, CONSULT-III can be operated with ignition switch in OFF position. “RETAINED
PWR” should be turned ON or OFF on CONSULT-III screen when ignition switch is ON. Then turn
ignition switch OFF to check retained power operation. CONSULT-III might be stuck if “RETAINED
PWR” is turned to ON or OFF on CONSULT- III screen when ignition switch is OFF.
Work item Description
RETAINED PWR Rap signal’s power supply period can be changed by mode setting. Selects rap signal’s power sup-
ply period between three steps
 MODE1 (45 sec.) / MODE2 (OFF) / MODE 3 (2 min.).
Monitor item Description
IGN ON SW Indicates [ON / OFF] condition of ignition switch
DOOR SW–DR Indicates [ON / OFF] condition of front door switch driver side
DOOR SW–AS Indicates [ON / OFF] condition of front door switch passenger side
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-16
3. Check sunroof switch system. RF-18
4. Replace sunroof motor assembly.RF-22
Motor does not stop at the sunroof fully -open or
fully- closed position.1. Check initialization procedure.
RF-10
2. Replace sunroof motor assembly.RF-22
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RF-16
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SUNROOF
Check BCM Power Suppl y and Ground Circuit
INFOID:0000000001328043
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.
3.CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connector.
3. Check continuity between BCM connector M4 terminal 49, 52 and ground.
OK or NG
OK >> Power supply and ground circuit are OK.
NG >> Check BCM ground circuit for open or short.
Check Sunroof Motor Assembly Power Supply and Ground CircuitINFOID:0000000001328044
1.CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch ON.
2. Check voltage between sunroof motor assembly connector R5 terminal 7, 9 and ground.
Retained power operation does not operate
properly. 1. Check the retained power operation mode setting.
RF-152. Check door switch.RF-19
3. Replace sunroof motor assembly.RF-22
Sunroof does not operate the interruption de-
tection function.Replace sunroof motor assembly.
RF-22
Symptom Diagnostic procedure and repair order Refer to page
38 (W/L) – Ground : Battery voltage
42 (L/R) – Ground : Battery voltage
55 (G) – Ground : Battery voltage
PIIA6160E
49 (B) – Ground : Continuity should exist.
52 (B) – Ground : Continuity should exist.
PIIA6161E
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SUNROOFRF-17
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OK or NG
OK >> GO TO 2.
NG >> GO TO 3.
2.CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect sunroof motor assembly connector.
3. Check continuity between sunroof motor assembly connector R5 terminal 10 and ground.
OK or NG
OK >> Sunroof motor assembly power supply and ground cir- cuit are OK. Further inspection is necessary. Refer to
RF-15, "
Trouble Diagnosis Chart by Symptom".
NG >> Repair or replace harness.
3.CHECK SONROOF MOTOR CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM and sunroof motor assembly connector.
3. Check continuity between BCM connector M4 terminal 53, 54 and sunroof motor assembly connector R5 terminal 7, 9.
4. Check continuity between BCM connector M4 terminal 53, 54 and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace harness.
4.CHECK BCM OUTPUT SIGNAL
1. Connect BCM connector.
2. Turn ignition switch ON. 7 (W) – Ground : Battery voltage
9 (SB) – Ground : Battery voltage
PIIA6151E
10 (B) – Ground : Continuity should exist.
PIIA6152E
53 (Y/B) – 9 (SB) : Cont
inuity should exist.
54 (W) – 7 (W) : Cont inuity should exist.
53 (Y/B) – Ground : Continuity should not exist.
54 (W) – Ground : Continuity should not exist.
PIIA6153E
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RF-18
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SUNROOF
3. Check voltage between BCM connector M4 terminal 53, 54 andground.
OK or NG
OK >> Check condition of harness and connector.
NG >> Replace BCM.
Check Sunroof Switch SystemINFOID:0000000001328045
1.CHECK SUNROOF SWITCH INPUT SIGNAL
1. Turn ignition switch ON.
2. Check voltage between sunroof motor assembly connector and ground.
OK or NG
OK >> Replace sunroof motor assembly.
NG >> GO TO 2.
2.CHECK SUNROOF SWITCH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect sunroof motor assembly and sunroof switch connector.
3. Check continuity between sunroof motor assembly c onnector R5 terminal 1, 5 and sunroof switch connec-
tor R56 terminal 1, 3.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness between sunroof motor assembly and sunroof switch.
3.CHECK SUNROOF SWITCH GROUND CIRCUIT
Check continuity between sunroof switch connector R56 terminal 2 and ground. 53 (Y/B) – Ground : Battery voltage
54 (W) – Ground : Battery voltage
PIIA6154E
Connector
Terminals (Wire color)
ConditionVoltage (V)
(Approx.)
(+) (–)
R5 1 (BR)
GroundSunroof switch is operated
TILT UP or SLIDE CLOSE
0
Other than above Battery voltage
5 (LG) Sunroof switch is operated
TILT DOWN or SLIDE OPEN
0
Other than above Battery voltage
PIIA6155E
1 (BR) – 3 (BR) : Continuity should exist.
5 (LG) – 1 (LG) : Continuity should exist.
PIIA6156E
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