2005 INFINITI FX35 Service Manual

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INFINITI FX35 2005 Service Manual AT-46
TROUBLE DIAGNOSIS
Revision: 2005 July 2005 FX
WORK FLOW
A good understanding of the malfunction conditions can make troubleshooting faster and more accurate.
In general, each customer feels dif

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DIAGNOSTIC WORKSHEET
Information from Customer
KEY POINTS
WHAT ..... Vehicle and A/T model
WHEN ..... Dat

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INFINITI FX35 2005 Service Manual AT-48
TROUBLE DIAGNOSIS
Revision: 2005 July 2005 FX
4 ❏
Perform all road tests and enter checks in required inspection items. AT- 5 6
4-1. Check before engine is started
AT- 5 6
❏ The A/T CHEC

AT-48
TROUBLE DIAGNOSIS
Revision: 2005 July 2005 FX
4 ❏
Perform all road tests and enter checks in required inspection items. AT- 5 6
4-1. Check before engine is started
AT- 5 6
❏ The A/T CHECK Indicator Lamp does come on. AT- 1 9 3 .
❏ Perform self-diagnostics. Enter checks for detected items. AT- 9 3
,AT- 1 0 3
❏ AT-106, "DTC U1000 CAN COMMUNICATION LINE" .
❏ AT-109, "
DTC P0615 START SIGNAL CIRCUIT" .
❏ AT- 11 3 , "
DTC P0700 TCM"
❏ AT- 11 4 , "DTC P0705 PARK/NEUTRAL POSITION SWITCH" .
❏ AT- 11 8 , "
DTC P0720 VEHICLE SPEED SENSOR A/T (REVOLUTION SENSOR)" .
❏ AT-123, "
DTC P0725 ENGINE SPEED SIGNAL" .
❏ AT-125, "
DTC P0740 TORQUE CONVERTER CLUTCH SOLENOID VALVE" .
❏ AT-127, "
DTC P0744 A/T TCC S/V FUNCTION (LOCK-UP)" .
❏ AT-129, "
DTC P0745 LINE PRESSURE SOLENOID VALVE" .
❏ AT-131, "
DTC P1702 TRANSMISSION CONTROL MODULE (RAM)" .
❏ AT-132, "
DTC P1703 TRANSMISSION CONTROL MODULE (ROM)" .
❏ AT-133, "
DTC P1705 THROTTLE POSITION SENSOR" .
❏ AT-136, "
DTC P1710 A/T FLUID TEMPERATURE SENSOR CIRCUIT" .
❏ AT-141, "
DTC P1716 TURBINE REVOLUTION SENSOR" .
❏ AT-143, "
DTC P1721 VEHICLE SPEED SENSOR MTR" .
❏ AT-145, "
DTC P1730 A/T INTERLOCK" .
❏ AT-148, "
DTC P1731 A/T 1ST ENGINE BRAKING" .
❏ AT-150, "
DTC P1752 INPUT CLUTCH SOLENOID VALVE" .
❏ AT-152, "
DTC P1754 INPUT CLUTCH SOLENOID VALVE FUNCTION" .
❏ AT-154, "
DTC P1757 FRONT BRAKE SOLENOID VALVE" .
❏ AT-156, "
DTC P1759 FRONT BRAKE SOLENOID VALVE FUNCTION" .
❏ AT-158, "
DTC P1762 DIRECT CLUTCH SOLENOID VALVE" .
❏ AT-160, "
DTC P1764 DIRECT CLUTCH SOLENOID VALVE FUNCTION" .
❏ AT-162, "
DTC P1767 HIGH AND LOW REVERSE CLUTCH SOLENOID VALVE" .
❏ AT-164, "
DTC P1769 HIGH AND LOW REVERSE CLUTCH SOLENOID VALVE
FUNCTION" .
❏ AT-166, "
DTC P1772 LOW COAST BRAKE SOLENOID VALVE" .
❏ AT-168, "
DTC P1774 LOW COAST BRAKE SOLENOID VALVE FUNCTION" .
❏ AT-170, "
DTC P1815 MANUAL MODE SWITCH" .
❏ AT-175, "
DTC P1841 ATF PRESSURE SWITCH 1" .
❏ AT-177, "
DTC P1843 ATF PRESSURE SWITCH 3" .
❏ AT-179, "
DTC P1845 ATF PRESSURE SWITCH 5" .
❏ AT-181, "
DTC P1846 ATF PRESSURE SWITCH 6" .
4-2. Check at Idle
AT- 5 7
❏ AT-194, "Engine Cannot Be Started in “P” or “N” Position" .
❏ AT-195, "
In “P” Position, Vehicle Moves When Pushed"
❏ AT-196, "In “N” Position, Vehicle Moves" .
❏ AT-197, "
Large Shock (“N” to “D” Position)" .
❏ AT-200, "
Vehicle Does Not Creep Backward in “R” Position" .
❏ AT-203, "
Vehicle Does Not Creep Forward in “D” Position" .
4-3. Cruise Test
AT- 5 8
Part 1
❏ AT-205, "
Vehicle Cannot Be Started from D1" .
❏ AT-208, "
A/T Does Not Shift: D1 → D2" .
❏ AT-210, "
A/T Does Not Shift: D2 → D3" .
❏ AT-212, "
A/T Does Not Shift: D3 → D4" .
❏ AT-215, "
A/T Does Not Shift: D4 → D5" .
❏ AT-217, "
A/T Does Not Perform Lock-up"
❏ AT-219, "A/T Does Not Hold Lock-up Condition" .
❏ AT-221, "
Lock-up Is Not Released" .
❏ AT-221, "
Engine Speed Does Not Return to Idle" .

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44-3 Part 2
AT- 6 0
❏ AT- 2 0 5 , "Vehicle Cannot Be Started from D1" .
❏ AT- 2 0 8 , "
A/T Does No

TROUBLE DIAGNOSIS AT-49
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44-3 Part 2
AT- 6 0
❏ AT- 2 0 5 , "Vehicle Cannot Be Started from D1" .
❏ AT- 2 0 8 , "
A/T Does Not Shift: D1 → D2" .
❏ AT- 2 1 0 , "
A/T Does Not Shift: D2 → D3" .
❏ AT- 2 1 2 , "
A/T Does Not Shift: D3 → D4" .
Part 3 AT- 6 1
❏ AT- 2 2 3 , "Cannot Be Changed to Manual Mode" .
❏ AT- 2 2 3 , "
A/T Does Not Shift: 5th Gear → 4th Gear" .
❏ AT- 2 2 5 , "
A/T Does Not Shift: 4th Gear → 3rd Gear" .
❏ AT- 2 2 7 , "
A/T Does Not Shift: 3rd Gear → 2nd Gear" .
❏ AT- 2 2 9 , "
A/T Does Not Shift: 2nd Gear → 1st Gear" .
❏ AT- 2 3 1 , "
Vehicle Does Not Decelerate by Engine Brake" .
❏ Perform self-diagnostics. Enter checks for detected items. AT- 9 3
,AT- 1 0 3
❏ AT-106, "DTC U1000 CAN COMMUNICATION LINE" .
❏ AT-109, "
DTC P0615 START SIGNAL CIRCUIT" .
❏ AT-113, "
DTC P0700 TCM"
❏ AT-114, "DTC P0705 PARK/NEUTRAL POSITION SWITCH" .
❏ AT-118, "
DTC P0720 VEHICLE SPEED SENSOR A/T (REVOLUTION SENSOR)" .
❏ AT-123, "
DTC P0725 ENGINE SPEED SIGNAL" .
❏ AT-125, "
DTC P0740 TORQUE CONVERTER CLUTCH SOLENOID VALVE" .
❏ AT-127, "
DTC P0744 A/T TCC S/V FUNCTION (LOCK-UP)" .
❏ AT-129, "
DTC P0745 LINE PRESSURE SOLENOID VALVE" .
❏ AT-131, "
DTC P1702 TRANSMISSION CONTROL MODULE (RAM)" .
❏ AT-132, "
DTC P1703 TRANSMISSION CONTROL MODULE (ROM)" .
❏ AT-133, "
DTC P1705 THROTTLE POSITION SENSOR" .
❏ AT-136, "
DTC P1710 A/T FLUID TEMPERATURE SENSOR CIRCUIT" .
❏ AT-141, "
DTC P1716 TURBINE REVOLUTION SENSOR" .
❏ AT-143, "
DTC P1721 VEHICLE SPEED SENSOR MTR" .
❏ AT-145, "
DTC P1730 A/T INTERLOCK" .
❏ AT-148, "
DTC P1731 A/T 1ST ENGINE BRAKING" .
❏ AT-150, "
DTC P1752 INPUT CLUTCH SOLENOID VALVE" .
❏ AT-152, "
DTC P1754 INPUT CLUTCH SOLENOID VALVE FUNCTION" .
❏ AT-154, "
DTC P1757 FRONT BRAKE SOLENOID VALVE" .
❏ AT-156, "
DTC P1759 FRONT BRAKE SOLENOID VALVE FUNCTION" .
❏ AT-158, "
DTC P1762 DIRECT CLUTCH SOLENOID VALVE" .
❏ AT-160, "
DTC P1764 DIRECT CLUTCH SOLENOID VALVE FUNCTION" .
❏ AT-162, "
DTC P1767 HIGH AND LOW REVERSE CLUTCH SOLENOID VALVE" .
❏ AT-164, "
DTC P1769 HIGH AND LOW REVERSE CLUTCH SOLENOID VALVE
FUNCTION" .
❏ AT-166, "
DTC P1772 LOW COAST BRAKE SOLENOID VALVE" .
❏ AT-168, "
DTC P1774 LOW COAST BRAKE SOLENOID VALVE FUNCTION" .
❏ AT-170, "
DTC P1815 MANUAL MODE SWITCH" .
❏ AT-175, "
DTC P1841 ATF PRESSURE SWITCH 1" .
❏ AT-177, "
DTC P1843 ATF PRESSURE SWITCH 3" .
❏ AT-179, "
DTC P1845 ATF PRESSURE SWITCH 5" .
❏ AT-181, "
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 malfunctioning parts.
6 ❏ Perform all road tests and enter the checks again for the required items. AT- 5 6
7 ❏
For any remaining NG items, perform the “diagnostics procedure” and repair or replace the malfunctioning
parts. See the chart for diagnostics by symptoms. (This chart also contains other symptoms and inspection pro-
cedures.) AT- 6 4
8
❏ Erase the results of the self-diagnostics from the TCM. AT- 4 1,
AT-
103

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INFINITI FX35 2005 Service Manual AT-50
TROUBLE DIAGNOSIS
Revision: 2005 July 2005 FX
A/T Electrical Parts LocationACS002LV
SCIA5487E

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Revision: 2005 July 2005 FX
Circuit DiagramACS002LW
TCWM0245E

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INFINITI FX35 2005 Service Manual AT-52
TROUBLE DIAGNOSIS
Revision: 2005 July 2005 FX
Inspections Before Trouble DiagnosisACS002LY
A/T CHECK
A/T Fluid Leakage and A/T Fluid Level Check
Check for A/T fluid leakage and check the A/T

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Revision: 2005 July 2005 FX
5. While holding down the foot brake, gradually press down the
accelerator pedal.
6. Quickly read off the s

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