2004 INFINITI FX35 Service Manual

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Page 121 of 4449

INFINITI FX35 2004 Service Manual AT-44
TROUBLE DIAGNOSIS
Revision: 2004 November 2004 FX35/FX45
How To Perform Trouble Diagnosis For Quick and Accurate RepairACS007A4
INTRODUCTION
The TCM receives a signal from the vehicle speed sens

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INFINITI FX35 2004 Service Manual TROUBLE DIAGNOSIS
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WORK FLOW
A good understanding of the malfunction conditions can make troubleshooting faster and more accurate.

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INFINITI FX35 2004 Service Manual AT-46
TROUBLE DIAGNOSIS
Revision: 2004 November 2004 FX35/FX45
DIAGNOSTIC WORKSHEET
Information From Customer
KEY POINTS
WHAT..... Vehicle and A/T model
WHEN..... Date, Frequencies
WHERE..... Road

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INFINITI FX35 2004 Service Manual TROUBLE DIAGNOSIS
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4❏ Execute all road tests and enter checks in required inspection items.AT- 5 4
4-1.Check before engine is st

TROUBLE DIAGNOSIS
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4❏ Execute all road tests and enter checks in required inspection items.AT- 5 4
4-1.Check before engine is started
AT- 5 5
❏ The A/T CHECK Indicator Lamp does come on. AT- 1 9 1 .
❏ Perform self-diagnostics. Enter checks for detected items. AT- 9 4
, AT-103
❏ AT-105, "DTC U1000 CAN COMMUNICATION LINE" .
❏ AT-108, "
DTC P0615 START SIGNAL CIRCUIT" .
❏ AT-112, "
DTC P0705 PARK/NEUTRAL POSITION SWITCH" .
❏ AT-116, "
DTC P0720 VEHICLE SPEED SENSOR A/T (REVOLUTION SENSOR)" .
❏ AT-121, "
DTC P0725 ENGINE SPEED SIGNAL" .
❏ AT-121, "
DTC P0725 ENGINE SPEED SIGNAL" .
❏ AT-123, "
DTC P0740 TORQUE CONVERTER CLUTCH SOLENOID VALVE" .
❏ AT-125, "
DTC P0744 A/T TCC S/V FUNCTION (LOCK-UP)" .
❏ AT-127, "
DTC P0745 LINE PRESSURE SOLENOID VALVE" .
❏ AT-129, "
DTC P1701 TRANSMISSION CONTROL MODULE (POWER SUPPLY)" .
❏ AT-133, "
DTC P1702 TRANSMISSION CONTROL MODULE (RAM)" .
❏ AT-134, "
DTC P1703 TRANSMISSION CONTROL MODULE (ROM)" .
❏ AT-135, "
DTC P1704 TRANSMISSION CONTROL MODULE (EEPROM)" .
❏ AT-136, "
DTC P1705 THROTTLE POSITION SENSOR" .
❏ AT-139, "
DTC P1710 A/T FLUID TEMPERATURE SENSOR CIRCUIT" .
❏ AT-143, "
DTC P1716 TURBINE REVOLUTION SENSOR" .
❏ AT-145, "
DTC P1721 VEHICLE SPEED SENSOR MTR" .
❏ AT-147, "
DTC P1730 A/T INTERLOCK" .
❏ AT-150, "
DTC P1731 A/T 1ST ENGINE BRAKING" .
❏ AT-152, "
DTC P1752 INPUT CLUTCH SOLENOID VALVE" .
❏ AT-154, "
DTC P1754 INPUT CLUTCH SOLENOID VALVE FUNCTION" .
❏ AT-156, "
DTC P1757 FRONT BRAKE SOLENOID VALVE" .
❏ AT-158, "
DTC P1759 FRONT BRAKE SOLENOID VALVE FUNCTION" .
❏ AT-160, "
DTC P1762 DIRECT CLUTCH SOLENOID VALVE" .
❏ AT-162, "
DTC P1764 DIRECT CLUTCH SOLENOID VALVE FUNCTION" .
❏ AT-164, "
DTC P1767 HIGH AND LOW REVERSE CLUTCH SOLENOID VALVE" .
❏ AT-166, "
DTC P1769 HIGH AND LOW REVERSE CLUTCH SOLENOID VALVE
FUNCTION" .
❏ AT-168, "
DTC P1772 LOW COAST BRAKE SOLENOID VALVE" .
❏ AT-170, "
DTC P1774 LOW COAST BRAKE SOLENOID VALVE FUNCTION" .
❏ AT-172, "
DTC P1815 MANUAL MODE SWITCH" .
❏ AT-178, "
DTC P1841 ATF PRESSURE SWITCH 1" .
❏ AT-180, "
DTC P1843 ATF PRESSURE SWITCH 3" .
❏ AT-182, "
DTC P1845 ATF PRESSURE SWITCH 5" .
❏ AT-184, "
DTC P1846 ATF PRESSURE SWITCH 6" .
4-2.Check at Idle
AT- 5 5
❏ AT- 1 9 3 , "Engine Cannot Be Started In “P” or “N” Position" .
❏ AT- 1 9 3 , "
In “P” Position, Vehicle Moves When Pushed" .
❏ AT- 1 9 4 , "
In “N” Position, Vehicle Moves" .
❏ AT- 1 9 5 , "
Large Shock (“N” to “D” Position)" .
❏ AT- 1 9 8 , "
Vehicle Does Not Creep Backward In “R” Position" .
❏ AT- 2 0 1 , "
Vehicle Does Not Creep Forward In “D” Position" .
4-3.Cruise test
AT- 5 7
Part 1
❏ AT- 2 0 3 , "
Vehicle Cannot Be Started From D1" .
❏ AT- 2 0 6 , "
A/T Does Not Shift: D1 → D2" .
❏ AT- 2 0 8 , "
A/T Does Not Shift: D2 → D3" .
❏ AT- 2 11 , "
A/T Does Not Shift: D3 → D4" .
❏ AT- 2 1 3 , "
A/T Does Not Shift: D4 → D5" .
❏ AT- 2 1 6 , "
A/T Does Not Perform Lock-up"
❏ AT- 2 1 8 , "A/T Does Not Hold Lock-up Condition" .
❏ AT- 2 2 0 , "
Lock-up Is Not Released" .
❏ AT- 2 2 1 , "
Engine Speed Does Not Return To Idle" .

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INFINITI FX35 2004 Service Manual AT-48
TROUBLE DIAGNOSIS
Revision: 2004 November 2004 FX35/FX45
44-3Part 2
AT- 6 0
❏ AT-203, "Vehicle Cannot Be Started From D1" .
❏ AT-206, "
A/T Does Not Shift: D1 → D2" .
❏ AT-208, "
A/T Doe

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TROUBLE DIAGNOSIS
Revision: 2004 November 2004 FX35/FX45
44-3Part 2
AT- 6 0
❏ AT-203, "Vehicle Cannot Be Started From D1" .
❏ AT-206, "
A/T Does Not Shift: D1 → D2" .
❏ AT-208, "
A/T Does Not Shift: D2 → D3" .
❏ AT- 2 11 , "
A/T Does Not Shift: D3 → D4" .
Part 3
AT- 6 1
❏ AT-222, "Cannot Be Changed to Manual Mode" .
❏ AT-223, "
A/T Does Not Shift: 5th gear → 4th gear" .
❏ AT-225, "
A/T Does Not Shift: 4th gear → 3rd gear" .
❏ AT-227, "
A/T Does Not Shift: 3rd gear → 2nd gear" .
❏ AT-229, "
A/T Does Not Shift: 2nd gear → 1st gear" .
❏ AT-231, "
Vehicle Does Not Decelerate By Engine Brake" .
❏ Perform self-diagnostics. Enter checks for detected items. AT- 9 4
, AT-103
❏ AT-105, "DTC U1000 CAN COMMUNICATION LINE" .
❏ AT-108, "
DTC P0615 START SIGNAL CIRCUIT" .
❏ AT- 11 2 , "
DTC P0705 PARK/NEUTRAL POSITION SWITCH" .
❏ AT- 11 6 , "
DTC P0720 VEHICLE SPEED SENSOR A/T (REVOLUTION SENSOR)" .
❏ AT-121, "
DTC P0725 ENGINE SPEED SIGNAL" .
❏ AT-121, "
DTC P0725 ENGINE SPEED SIGNAL" .
❏ AT-123, "
DTC P0740 TORQUE CONVERTER CLUTCH SOLENOID VALVE" .
❏ AT-125, "
DTC P0744 A/T TCC S/V FUNCTION (LOCK-UP)" .
❏ AT-127, "
DTC P0745 LINE PRESSURE SOLENOID VALVE" .
❏ AT-129, "
DTC P1701 TRANSMISSION CONTROL MODULE (POWER SUPPLY)" .
❏ AT-133, "
DTC P1702 TRANSMISSION CONTROL MODULE (RAM)" .
❏ AT-134, "
DTC P1703 TRANSMISSION CONTROL MODULE (ROM)" .
❏ AT-135, "
DTC P1704 TRANSMISSION CONTROL MODULE (EEPROM)" .
❏ AT-136, "
DTC P1705 THROTTLE POSITION SENSOR" .
❏ AT-139, "
DTC P1710 A/T FLUID TEMPERATURE SENSOR CIRCUIT" .
❏ AT-143, "
DTC P1716 TURBINE REVOLUTION SENSOR" .
❏ AT-145, "
DTC P1721 VEHICLE SPEED SENSOR MTR" .
❏ AT-147, "
DTC P1730 A/T INTERLOCK" .
❏ AT-150, "
DTC P1731 A/T 1ST ENGINE BRAKING" .
❏ AT-152, "
DTC P1752 INPUT CLUTCH SOLENOID VALVE" .
❏ AT-154, "
DTC P1754 INPUT CLUTCH SOLENOID VALVE FUNCTION" .
❏ AT-156, "
DTC P1757 FRONT BRAKE SOLENOID VALVE" .
❏ AT-158, "
DTC P1759 FRONT BRAKE SOLENOID VALVE FUNCTION" .
❏ AT-160, "
DTC P1762 DIRECT CLUTCH SOLENOID VALVE" .
❏ AT-162, "
DTC P1764 DIRECT CLUTCH SOLENOID VALVE FUNCTION" .
❏ AT-164, "
DTC P1767 HIGH AND LOW REVERSE CLUTCH SOLENOID VALVE" .
❏ AT-166, "
DTC P1769 HIGH AND LOW REVERSE CLUTCH SOLENOID VALVE
FUNCTION" .
❏ AT-168, "
DTC P1772 LOW COAST BRAKE SOLENOID VALVE" .
❏ AT-170, "
DTC P1774 LOW COAST BRAKE SOLENOID VALVE FUNCTION" .
❏ AT-172, "
DTC P1815 MANUAL MODE SWITCH" .
❏ AT-178, "
DTC P1841 ATF PRESSURE SWITCH 1" .
❏ AT-180, "
DTC P1843 ATF PRESSURE SWITCH 3" .
❏ AT-182, "
DTC P1845 ATF PRESSURE SWITCH 5" .
❏ AT-184, "
DTC P1846 ATF PRESSURE SWITCH 6" .
5❏ Inspect each system for items found to be NG in the self-diagnostics and repair or replace the malfunction
parts.
6❏ Perform all road tests and enter the checks again for the required items.AT- 5 4
7❏ For any remaining NG items, perform the “diagnostics procedure” and repair or replace the malfunction parts.
See the chart for diagnostics by symptoms. (This chart also contains other symptoms and inspection proce-
dures.)AT- 6 5
8❏ Erase the results of the self-diagnostics from the TCM.AT- 4 0,
AT- 1 0 4

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A/T Electrical Parts LocationACS007A5
SCIA5487E

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INFINITI FX35 2004 Service Manual AT-50
TROUBLE DIAGNOSIS
Revision: 2004 November 2004 FX35/FX45
Circuit DiagramACS007A6
TCWM0245E

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INFINITI FX35 2004 Service Manual TROUBLE DIAGNOSIS
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Revision: 2004 November 2004 FX35/FX45
Inspections Before Trouble DiagnosisACS007A7
A/T FLUID CHECK
Fluid Leakage and Fluid Level Check
Inspect for

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