brake sensor INFINITI FX35 2007 Repair Manual

AT-172
DTC P1841 ATF PRESSURE SWITCH 1
Revision: 2006 July 2007 FX35/FX45
Diagnostic ProcedureNCS001GQ
1. CHECK INPUT SIGNAL
With CONSULT-II
1. Start engine.
2. Select “ECU INPUT SIGNALS” or “MAIN SIGNALS” in “DATA MONITOR” mode for “A/T” with CONSULT-II.
3. Drive vehicle in the “D” position (3rd
4th gear), and confirm
the ON/OFF actuation of the “ATF PRES SW 1”.
OK or NG
OK >> GO TO 4.
NG >> GO TO 2.
2. CHECK TCM POWER SUPPLY AND GROUND CIRCUIT
Check TCM power supply and ground circuit. Refer to AT- 1 7 9 , "
MAIN POWER SUPPLY AND GROUND CIR-
CUIT" .
OK or NG
OK >> GO TO 3.
NG >> Repair or replace damaged parts.
3. DETECT MALFUNCTIONING ITEM
Check A/T assembly harness connector pin terminals for damage or loose connection with harness connector.
OK or NG
OK >> Replace the control valve with TCM. Refer to AT- 2 3 9 , "Control Valve with TCM and A/T Fluid Tem-
perature Sensor 2" .
NG >> Repair or replace damaged parts.
4. CHECK DTC
Perform AT- 1 7 1 , "
DTC Confirmation Procedure" .
OK or NG
OK >> INSPECTION END
NG >> GO TO 2.
Item name Condition Display value
ATF PRES SW 1 Front brake engaged. Refer to
AT- 2 2
.ON
Front brake disengaged. Refer to AT- 2 2
.OFF
PCIA0067E

DISASSEMBLY AT-305
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Revision: 2006 July 2007 FX35/FX45
47. Remove parking gear from output shaft.
48. Remove seal rings from output shaft.
49. Remove needle bearing from transmission case.
50. Remove revolution sensor from transmission case. CAUTION:

Do not subject it to impact by dropping or hitting it.

Do not disassemble.

Do not allow metal filings, etc. to get on the sensor's front
edge magnetic area.

Do not place in an area affected by magnetism.
51. Remove reverse brake snap ring (fixing plate) using 2 flat- bladed screwdrivers.
NOTE:
Press out snap ring from the transmission case oil pan side gap
using a flat-bladed screwdriver, and remove it using another
screwdriver.
52. Remove reverse brake retaining plate from transmission case.

Check facing for burns, cracks or damage. If necessary,
replace the plate.
SCIA5247E
SCIA5209E
SCIA5031E
SCIA2320E
SCIA5032E

ASSEMBLY AT-353
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Revision: 2006 July 2007 FX35/FX45
5. Tighten oil pump mounting bolts to specified torque. Refer to AT-
274, "Components" .
CAUTION:
Apply ATF to oil pump bushing.
6. Install O-ring to input clutch assembly. CAUTION:

Do not reuse O-ring.

Apply ATF to O-ring.
7. Install converter housing to transmission case, and then tighten converter housing mounting bolts (1) to the specified torque.
Refer to AT- 2 7 4 , "
Components" .

: Bolt (8)
CAUTION:
Do not reuse self-sealing bolt (2).
8. Make sure that brake band does not close turbine revolution sensor hole.
9. Install control valve with TCM.
a. Connect TCM connector and park/neutral position switch con- nector.
SCIA2300E
SCIA5011E
SCIA7985E
SCIA5034E
SCIA5449E

SERVICE DATA AND SPECIFICATIONS (SDS) AT-361
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Revision: 2006 July 2007 FX35/FX45
Turbine Revolution SensorNCS001J5
Vehicle Speed Sensor A/T (Revolution Sensor)NCS001J6
Reverse BrakeNCS001J7
To ta l E n d P l a yNCS001J8
Name Condition Data (Approx.)
Turbine revolution sensor 1 When running at 50 km/h (31 MPH) in 4th speed with the closed throttle
position signal OFF. 1.3 kHz
Turbine revolution sensor 2 When moving at 20 km/h (12 MPH) in 1st speed with the closed throttle
position signal OFF.
Name Condition Data (Approx.)
Revolution sensor When moving at 20 km/h (12 MPH). 185 Hz
Model code number 91X0E, 91X1A 95X8C
Number of drive plates 6
Number of driven plates 6
Clearance mm (in) Standard 0.7 - 1.1 (0.028 - 0.043)
Total end play mm (in) 0.25 - 0.55 (0.0098 - 0.0217)

BL-112
INTELLIGENT KEY SYSTEM
Revision: 2006 July 2007 FX35/FX45
19 SB Outside antenna LH (+) Output
LOCK Driver door request signal oper-
ation (Switch: ON)
20 G/Y Outside antenna LH (-) Output
25 W/R Door request switch
(passenger side) Input — Door request switch operation:
Press (ON) 0
Other than the above (OFF) 5
26 P/L Stop lamp switch Input — Brake pedal depressed (ON) 5
Brake pedal not depressed
(OFF) 0
27 L/W Ignition knob switch Input — Press ignition knob. 12
Return ignition knob to LOCK
position. 0
28 W/B Door unlock sensor Input — Door is locking → unlock 5 → 0
29 GY Door request switch
(back door) Input — Back door request switch opera-
tion: Press (ON) 0
Other than the above (OFF) 5
31 Y/B Steering lock unit
ground —— — 0
32 R/B Steering lock unit com-
munication Output LOCK Press ignition knob with Intelli-
gent Key inside vehicle.
Other than the above 5
35 LG Inside key antenna (+)
signal
(Dashboard) Output
LOCK Any door open
→ Close (Door
switch: ON → OFF)
Ignition knob switch: ON (press
ignition knob.)
36 PU Inside key antenna (-)
signal
(Dashboard) Output
37 G Outside antenna RH (+) Output
LOCK Passenger door request switch
operation (Switch: ON)
38 G/W Outside antenna RH (-) Output
39 R/Y Park position switch Input LOCK A/T selector lever in “P” position. 0
A/T selector lever in other posi-
tion. Battery voltage
40 BR/
W Door lock relay Output LOCK Door request switch (passenger
side) pressed Battery voltage
→ 0 → Battery
voltage
Te r -
minal Wire
color Item Signal
Input/
output Condition
Voltage (V) (Approx.)
Ignition
knob
position Operation or conditions
SIIA1910J
SIIA1911J
SIIA1910J
SIIA1910J

INTELLIGENT KEY SYSTEM BL-117
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Revision: 2006 July 2007 FX35/FX45
DATA MONITOR
MAIN SIGNALS Display Item
ACTIVE TEST
Monitor item [OPERATION] Description
PUSH SWITCH [ON/OFF] Displays status (Ignition knob switch ON/ignition knob switch OFF) as judged from
ignition knob switch signal.
KEY SW [ON/OFF] Displays status (Key inserted: ON/Key removed: OFF) as judged by key switch.
DR REQ SW [ON/OFF] Displays status (Operable: ON/Non-operable: OFF) as judged from door request
switch (driver side) signal.
AS REQ SW [ON/OFF] Displays status (Operable: ON/Non-operable: OFF) as judged from door request
switch (passenger side) signal.
BD/TR REQ SW [ON/OFF] Displays status (Operable: ON/Non-operable: OFF) as judged from door request
switch (back door) signal.
IGN SW [ON/OFF] Displays status (Ignition knob ON position: ON/Ignition knob OFF position: OFF)
as judged from ignition switch signal.
ACC SW [ON/OFF] Displays status (Ignition switch ACC position: ON/Ignition switch OFF position:
OFF) as judged from ignition switch signal.
DOOR STAT SW [ON/OFF] Displays status from door unlock sensor ON/OFF condition.
STOP LAMP SW [ON/OFF] Displays status (Brake pedal depress: ON/brake pedal not depress: OFF) as
judged from stop lamp switch signal.
P RANGE SW [ON/OFF] Displays status from park/neutral position switch ON/OFF condition.
BD OPEN SW [ON/OFF] Displays status (Back door open: ON/Back door closed: OFF) as judged from back
door opener switch signal.
Monitor item Description
DOOR LOCK/UNLOCK This test is able to check all door lock actuators lock/unlock operation. These
actuators lock when “ON” on CONSULT-II screen is touched.
OUTSIDE BUZZER This test is able to check Intelligent Key warning buzzer operation. The buzzer will
be activated on when “ON” on CONSULT-II screen is touched.
INSIDE BUZZER This test is able to check buzzer (built-in combination meter) operation. The
buzzer will be activated on when “ON” on CONSULT-II screen is touched.
INDICATOR This test is able to check warning lamp operation. The lamp will be turned on
when “ON” on CONSULT-II screen is touched.

BRAKE MASTER CYLINDER BR-13
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Revision: 2006 July 2007 FX35/FX45
BRAKE MASTER CYLINDERPFP:46010
On-Board InspectionNFS000M1
LEAK INSPECTION

Check for leaking in a master cylinder installation surface, a reservoir tank installation surface, and brake
tube connections.
ComponentsNFS000M3
Removal and InstallationNFS000M2
CAUTION:
Be careful not to splash brake fluid on painted areas; it way cause paint damage. If brake fluid is
splashed on painted surfaces of body, immediately wipe it off and them wash it away with water imme-
diately.
REMOVAL
1. Remove cowl top cover. Refer to EI-23, "COWL TOP" .
2. Drain brake fluid. Refer to BR-9, "
Drain and Refill" .
3. Remove harness connectors for fluid level sensor and pressure sensor.
4. Using a flare nut wrench, remove brake tube from master cylinder assembly.
1. Reservoir cap 2. Strainer 3. Reservoir tank
4. Grommet 5. Cylinder body 6. Pin
7. Pressure sensor 8. Pressure sensor (Only ICC models)
Refer to GI-11, "
Components" and the followings for the symbols in the figure.
: Apply brake fluid.
PFIA0815E

FRONT DISC BRAKE BR-19
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Revision: 2006 July 2007 FX35/FX45
FRONT DISC BRAKEPFP:41000
On-Vehicle InspectionNFS000M9
PAD WEAR INSPECTION

Check the thickness from check hole on cylinder body. Use a
scale for inspection if necessary.
ComponentsNFS000MA
WARNING:
Clean dust on caliper and brake pad with a vacuum dust collector to minimize the hazard of airborne
particles or other materials.
CAUTION:

While removing cylinder body, never depress brake pedal because piston will pop out. Standard thickness : 11.0 mm (0.433 in)
Repair limit thickness : 2.0 mm (0.079 in)
MAA0439D
1. Brake hose 2. Union bolt 3. Copper washer
4. Cap 5. Bleed valve 6. Sliding pin bolt
7. Cylinder body 8. Piston seal 9. Piston
10. Piston boot 11. Torque member mounting bolt 12. Sliding pin
13. Sliding pin boot 14. Bushing 15. Torque member
16. Inner shim cover 17. Inner shim 18. Inner pad
19. Pad wear sensor 20. Pad retainer 21. Outer pad
22. Outer shim 23. Outer shim cover
Refer to GI-11, "
Components" and the followings for the symbols in the figure.
1: Apply rubber grease.
2: Apply PBC (Poly Butyl Cuprysil) grease or silicone-based grease.
3: Apply polyglycol ether based lubricant.
: Apply brake fluid.
PFIA0809E

FRONT DISC BRAKE BR-23
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Revision: 2006 July 2007 FX35/FX45
2. Apply rubber grease to piston boot. Cover the piston end with
piston boot, and install cylinder side lip on piston boot properly
into groove on cylinder body.
CAUTION:
Do not reuse piston boot.
3. Apply brake fluid to piston, and press piston into cylinder body by hand to assemble piston side lip on piston boot properly into
groove on piston.
CAUTION:
Press piston evenly and vary the pressing point to prevent
cylinder inner wall from being rubbed.
4. Install sliding pins and sliding pin boots to torque member.
5. Install the torque member to the knuckle spindle and tighten the mounting bolts to the specified torque. Refer to BR-19, "
Compo-
nents" .
CAUTION:
Before installing torque member to vehicle, wipe oil and
grease on the washer seats on steering knuckle and the
mounting surface of the torque member.
6. Install pad retainers to torque member.
7. After assembling shims and shim covers to pad, install it to torque member.
CAUTION:
Inner pad and outer pad have pad-return mechanism on the upper side of the pad retainer. When
installing pad, be sure to install pad return lever to pad wear sensor securely as shown in the fig-
ure.
8. Install cylinder body, and tighten sliding pin bolt to specified torque. Refer to BR-19, "
Components" .
9. Install a projection of brake hose metal fitting by aligning with protrusions on cylinder body, and then tighten union bolts to specified torque. Refer to BR-11, "
Hydraulic Circuit" .
CAUTION:

Assemble brake hose securely to protrusions on cylinder body.

Do not reuse copper washer for union bolts.
10. After installing caliper assembly, refill with new brake fluid and bleed air. Refer to BR-10, "
Bleeding Brake
System" .
SFIA2432E
SFIA2279E
SBR557E

REAR DISC BRAKE BR-25
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Revision: 2006 July 2007 FX35/FX45
REAR DISC BRAKEPFP:44000
On-Vehicle InspectionNFS000ME
PAD WEAR INSPECTION

Check the thickness from check hole on cylinder body. Use a
scale for inspection if necessary.
ComponentsNFS000MF
Standard thickness : 8.5 mm (0.335 in)
Repair limit thickness : 2.0 mm (0.079 in)
BRA0010D
1. Union bolt 2. Brake hose 3. Copper washer
4. Cap 5. Bleed valve 6. Sliding pin bolt
7. Cylinder body 8. Piston seal 9. Piston
10. Piston boot 11. Retaining ring 12. Inner shim cover
13. Inner shim 14. Inner pad 15. Pad retainer
16. Outer pad 17. Outer shim 18. Sliding pin boot
19. Bushing 20. Torque member mounting bolt 21. Washer
22. Torque member 23. Pad wear sensor 24. Inner pad (RH)
Refer to GI-11, "
Components" and the followings for the symbols in the figure.
PFIA0808J