air INFINITI FX35 2005 Service Manual

AT-232
TROUBLE DIAGNOSIS FOR SYMPTOMS
Revision: 2005 July 2005 FX
5. CHECK A/T FLUID CONDITION
1. Remove oil pan. Refer to AT- 2 4 3 , "
Control Valve with TCM and A/T Fluid Temperature Sensor 2" .
2. Check A/T fluid condition. Refer to AT- 5 2 , "
A/T Fluid Condition
Check" .
OK or NG
OK >> GO TO 6.
NG >> GO TO 9.
6. DETECT MALFUNCTIONING ITEM

Check the malfunction items. If any items are damaged, repair or replace damaged parts. Refer to AT- 6 4 ,
"Symptom Chart" (Symptom No.58).
OK or NG
OK >> GO TO 7.
NG >> Repair or replace damaged parts.
7. CHECK SYMPTOM
Check again. Refer to AT- 6 1 , "
Cruise Test - Part 3" .
OK or NG
OK >> INSPECTION END
NG >> GO TO 8.
8. CHECK TCM
1. Check TCM input/output signals. Refer to AT- 8 9 , "
TCM Input/Output Signal Reference Values" .
2. If NG, recheck A/T assembly harness connector terminals for damage or loose connection with harness connector.
OK or NG
OK >> INSPECTION END
NG >> Repair or replace damaged parts.
9. DETECT MALFUNCTIONING ITEM

Check the malfunction items. If any items are damaged, repair or replace damaged parts. Refer to AT- 6 4 ,
"Symptom Chart" (Symptom No.58).
OK or NG
OK >> GO TO 7.
NG >> Repair or replace damaged parts.
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AT-238
A/T SHIFT LOCK SYSTEM
Revision: 2005 July 2005 FX
Diagnostic ProcedureACS002RW
SYMPTOM 1:

Selector lever cannot be moved from “P” position with key in ON position and brake pedal
applied.

Selector lever can be moved from “P” position with key in ON position and brake pedal released.

Selector lever can be moved from “P” position when key is removed from key cylinder.
SYMPTOM 2:

Ignition key cannot be removed when selector lever is set to “P” position.

Ignition key can be removed when selector lever is set to any position except “P” position.
1. CHECK KEY INTERLOCK CABLE
Check the key interlock cable for damage.
OK or NG
OK >> GO TO 2.
NG >> Repair or replace key interlock cable. Refer to AT- 2 4 0 , "
KEY INTERLOCK CABLE" .
2. CHECK SELECTOR LEVER POSITION
Check the selector lever position for damage. Refer to AT- 2 3 5 , "
Checking of A/T Position"
OK or NG
OK >> GO TO 3.
NG >> Adjust control linkage. Refer to AT- 2 3 5 , "
Adjustment of A/T Position" .
3. CHECK SHIFT LOCK SOLENOID AND PARK POSITION SWITCH
1. Connect A/T device harness connector.
2. Turn ignition switch ON.
3. Selector lever is set in “P” position.
4. Check operation sound.
OK or NG
OK >> INSPECTION END
NG >> GO TO 4.
4. CHECK POWER SOURCE
1. Turn ignition switch ON. (Do not start engine.)
2. Check the voltage between A/T device harness connector termi- nal 1 and ground. Refer to AT- 2 3 7 , "
Wiring Diagram — AT —
SHIFT" .
OK or NG
OK >> GO TO 7.
NG >> GO TO 5.
Condition Brake pedal Operation sound
When ignition switch is turned to
ON and selector lever is set in
“P” position. Depressed Yes
Released No
Condition Brake pedal Data (Approx.)
When ignition switch is turned to
ON. Depressed Battery voltage
Released 0V
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A/T SHIFT LOCK SYSTEM AT-239
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5. CHECK STOP LAMP SWITCH
1. Turn ignition switch OFF.
2. Disconnect stop lamp switch harness connector.
3. Check continuity between stop lamp switch harness connector terminals.
Check stop lamp switch after adjusting brake pedal — refer to
BR-6, "
BRAKE PEDAL" .
OK or NG
OK >> GO TO 6.
NG >> Repair or replace damaged parts.
6. DETECT MALFUNCTIONING ITEM
Check the following items. If any items are damaged, repair or replace damaged parts.

Harness for short or open between ignition switch and stop lamp switch harness terminal 3.

Harness for short or open between stop lamp switch harness terminal 4 and A/T device harness terminal
1.

10A fuse [No.12, located in the fuse block (J/B)].

Ignition switch, Refer to PG-3, "POWER SUPPLY ROUTING CIRCUIT" .
OK or NG
OK >> INSPECTION END
NG >> Repair or replace damaged parts.
7. CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect A/T device harness connector.
3. Check continuity between A/T device harness connector termi- nal 2 and ground.
OK or NG
OK >> Replace shift lock solenoid and park position switch assembly.
NG >> Repair open circuit in harness or connectors.
Condition Continuity
When brake pedal is depressed Yes
When brake pedal is released No
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Continuity should exist.
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AT-268
AIR BREATHER HOSE
Revision: 2005 July 2005 FX
AIR BREATHER HOSEPFP:31098
Removal and InstallationACS002S0
VQ35DE ENGINE MODEL
Refer to the figure below for air breather hose removal and installation procedure.
CAUTION:

When installing an air breather hose, be careful not to be crushed or blocked by folding or bend-
ing the hose.

When inserting a hose to the transmission tube, be sure to insert it fully until its end reaches the
tube bend R portion.
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AIR BREATHER HOSE AT-269
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VK45DE ENGINE MODEL
Refer to the figure below for air breather hose removal and installation procedure.
CAUTION:

When installing an air breather hose, be careful not to be crushed or blocked by folding or bend-
ing the hose.

When inserting a hose to the transmission tube, be sure to insert it fully until its end reaches the
tube bend R portion.
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TRANSMISSION ASSEMBLY AT-271
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10. Remove crankshaft position sensor (POS) from transmission
assembly.
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.
11. Remove starter motor. Refer to SC-18, "
VQ35DE ENGINE
MODELS (2WD)" .
12. Remove fluid cooler tube.
13. Remove rear plate cover. Refer to EM-30, "
Removal and Installation (2WD Model)" .
14. Remove rear cover plate. Refer to EM-30, "
Removal and Installation (2WD Model)" .
15. Turn crankshaft, and remove the four tightening bolts for drive plate and torque converter.
CAUTION:
When turning crankshaft, turn it clockwise as viewed from
the front of the engine.
16. Support transmission assembly with a transmission jack. CAUTION:
When setting the transmission jack, be careful not to allow
it to collide against the drain plug.
17. Remove rear engine mounting member with power tool.
18. Remove air breather hose. Refer to AT- 2 6 8 , "
Removal and
Installation" .
19. Disconnect A/T assembly connector.
20. Remove A/T fluid charging pipe from transmission assembly.
21. Plug up openings such as the fluid charging pipe hole, etc.
22. Remove bolts fixing transmission assembly to engine assembly with power tool.
23. Remove transmission assembly from vehicle with a transmis- sion jack.

Secure torque converter to prevent it from dropping.

Secure transmission assembly to a transmission jack.
INSPECTION
Installation and Inspection of Torque Converter

After inserting a torque converter to a transmission, be sure to
check distance “A” to ensure it is within the reference value limit.
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Distance “A”: 25.0 mm (0.98 in) or more
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TRANSMISSION ASSEMBLY AT-275
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11. Remove crankshaft position sensor (POS) from transmission
assembly.
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.
12. Remove starter motor. Refer to SC-19, "
VQ35DE ENGINE
MODELS (AWD)" or SC-17, "VK45DE ENGINE MODELS" .
13. Disconnect fluid cooler tube from transmission assembly.
14. Remove rear plate cover. Refer to EM-36, "
Removal and Instal-
lation (AWD Model)" (for VQ35DE models) or EM-185,
"Removal and Installation" (for VK45DE models).
15. Turn crankshaft, and remove the four tightening bolts for drive plate and torque converter.
CAUTION:
When turning crankshaft, turn it clockwise as viewed from
the front of the engine.
16. Remove dynamic damper (for VQ35DE models). Refer to EM-
11 7 , "Removal and Installation (AWD Model)" .
17. Support transmission assembly with a transmission jack. CAUTION:
When setting the transmission jack, be careful not to allow
it to collide against the drain plug.
18. Remove rear engine mounting member with power tool.
19. Tilt the mission slightly to keep the clearance between body and mission, and then disconnect air breather hose from charging
pipe. Refer to AT- 2 6 8 , "
Removal and Installation" .
20. Disconnect A/T assembly connector and transfer assembly con- nector.
21. Remove A/T fluid charging pipe.
22. Plug up openings such as the fluid charging pipe hole, etc.
23. Remove bolts fixing transmission assembly to engine with power tool.
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AT-304
DISASSEMBLY
Revision: 2005 July 2005 FX
58. Remove reverse brake piston from transmission case with com-
pressed air. Refer to AT- 2 8 6 , "
Oil Channel" .
CAUTION:
Care should be taken not to abruptly blow air. It makes pis-
tons incline, as the result, it becomes hard to disassemble
the pistons.
59. Remove D-rings from reverse brake piston.
60. Use a pin punch (4mm dia. commercial service tool) to knock out retaining pin.
61. Remove manual shaft retaining pin with nippers.
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AT-308
REPAIR FOR COMPONENT PARTS
Revision: 2005 July 2005 FX
REPAIR FOR COMPONENT PARTSPFP:00000
Oil PumpACS0081M
COMPONENTS
DISASSEMBLY
1. Remove oil pump housing from oil pump cover.
2. Remove oil pump housing oil seal using a flat-bladed screw- driver.
CAUTION:
Be careful not to scratch oil pump housing.
1. O-ring 2. Oil pump cover 3. O-ring
4. Oil pump housing 5. Oil pump housing oil seal
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REPAIR FOR COMPONENT PARTS AT-309
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3. Remove O-ring from oil pump housing.
4. Remove O-ring from oil pump cover.
ASSEMBLY
1. Install O-ring to oil pump cover.
CAUTION:

Do not reuse O-ring.

Apply ATF to O-ring.
2. Install O-ring to oil pump housing. CAUTION:

Do not reuse O-ring.

Apply ATF to O-ring.
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