2006 INFINITI FX35 Service Manual

charging jump start pairing phone instrument panel oil dipstick lock

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INFINITI FX35 2006 Service Manual TROUBLE DIAGNOSIS AT-45
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Revision: 2006 December 2006 FX35/FX45
A/T Interlock
If there is an A/T interlock judgment malfunction, the A/T is fixed in 2nd gear to m

TROUBLE DIAGNOSIS AT-45
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Revision: 2006 December 2006 FX35/FX45
A/T Interlock
If there is an A/T interlock judgment malfunction, the A/T is fixed in 2nd gear to make driving possible.
NOTE:
When the vehicle is driven fixed in 2nd gear, a turbine revolution sensor malfunction is displayed,
but this is not a turbine revolution sensor malfunction.
When the coupling pattern below is detected, the fail-safe action corresponding to the pattern is per-
formed.
A/T INTERLOCK COUPLING PATTERN TABLE
: NG X: OK
A/T 1st Engine Braking
When there is an A/T first gear engine brake judgment malfunction, the low coast brake solenoid is switched
OFF to avoid the engine brake operation.
Line Pressure Solenoid
The solenoid is switched OFF and the line pressure is set to the maximum hydraulic pressure to make driving
possible.
Torque Converter Clutch Solenoid
The solenoid is switched OFF to release the lock-up.
Low Coast Brake Solenoid
When a (electrical or functional) malfunction occurs, in order to make driving possible, if the solenoid is ON,
the transmission is held in 2nd gear; if the solenoid is OFF, the A/T is held in 4th gear. (Engine brake is not
applied in 1st and 2nd gear.)
Input Clutch Solenoid
If a (electrical or functional) malfunction occurs with the solenoid either ON or OFF, the A/T is held in 4th gear
to make driving possible.
Direct Clutch Solenoid
If a (electrical or functional) malfunction occurs with the solenoid either ON or OFF, the A/T is held in 4th gear
to make driving possible.
Front Brake Solenoid
If a (electrical or functional) malfunction occurs with the solenoid ON, in order to make driving possible, the A/
T is held in 5th gear; if the solenoid is OFF, 4th gear.
High and Low Reverse Clutch Solenoid
If a (electrical or functional) malfunction occurs with the solenoid either ON or OFF, the A/T is held in 4th gear
to make driving possible.
Turbine Revolution Sensor 1 or 2
The control is the same as if there were no turbine revolution sensors, 5th gear and manual mode are prohib-
ited.
Gear position ATF pressure switch output
Fail-safe function Clutch pressure output pattern after fail-safe func-
tion
SW3 (I/C) SW6
(HLR/
C) SW5
(D/C) SW1
(FR/B) SW2
(LC/B) I/C HLR/C D/C FR/B LC/B L/U
A/T inter-
lock cou-
pling pattern 3rd – X X –
Held in
2nd gear OFF OFF ON OFF OFF OFF
4th – X X – Held in
2nd gear OFF OFF ON OFF OFF OFF
5th X X – X Held in
2nd gear OFF OFF ON OFF OFF OFF

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INFINITI FX35 2006 Service Manual AT-46
TROUBLE DIAGNOSIS
Revision: 2006 December 2006 FX35/FX45
How to Perform Trouble Diagnosis for Quick and Accurate RepairNCS001BE
INTRODUCTION
The TCM receives a signal from the vehicle speed sens

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Revision: 2006 December 2006 FX35/FX45
WORK FLOW
A good understanding of the malfunction conditions can make troubleshooting faster and mo

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INFINITI FX35 2006 Service Manual AT-48
TROUBLE DIAGNOSIS
Revision: 2006 December 2006 FX35/FX45
DIAGNOSTIC WORKSHEET
Information from Customer
KEY POINTS
WHAT ..... Vehicle and A/T model
WHEN ..... Date, Frequencies
WHERE .....

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Revision: 2006 December 2006 FX35/FX45
4 ❏
Perform all road tests and enter checks in required inspection items. AT- 5 6
4-1. Check b

TROUBLE DIAGNOSIS AT-49
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Revision: 2006 December 2006 FX35/FX45
4 ❏
Perform all road tests and enter checks in required inspection items. AT- 5 6
4-1. Check before engine is started
AT- 5 7
❏ The A/T CHECK Indicator Lamp does come on. AT- 1 8 9 .
❏ Perform self-diagnostics. Enter checks for detected items. AT- 9 2
, AT- 1 0 2 .
❏ AT-104, "
DTC U1000 CAN COMMUNICATION LINE" .
❏ AT-107, "
DTC P0615 START SIGNAL CIRCUIT" .
❏ AT- 111 , "
DTC P0700 TCM"
❏ AT-112, "DTC P0705 PARK/NEUTRAL POSITION SWITCH" .
❏ AT-116, "
DTC P0717 TURBINE REVOLUTION SENSOR" .
❏ 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 P1705 THROTTLE POSITION SENSOR" .
❏ AT-134, "
DTC P1710 A/T FLUID TEMPERATURE SENSOR CIRCUIT" .
❏ AT-139, "
DTC P1721 VEHICLE SPEED SENSOR MTR" .
❏ AT-141, "
DTC P1730 A/T INTERLOCK" .
❏ AT-144, "
DTC P1731 A/T 1ST ENGINE BRAKING" .
❏ AT-146, "
DTC P1752 INPUT CLUTCH SOLENOID VALVE" .
❏ AT-148, "
DTC P1754 INPUT CLUTCH SOLENOID VALVE FUNCTION" .
❏ AT-150, "
DTC P1757 FRONT BRAKE SOLENOID VALVE" .
❏ AT-152, "
DTC P1759 FRONT BRAKE SOLENOID VALVE FUNCTION" .
❏ AT-154, "
DTC P1762 DIRECT CLUTCH SOLENOID VALVE" .
❏ AT-156, "
DTC P1764 DIRECT CLUTCH SOLENOID VALVE FUNCTION" .
❏ AT-158, "
DTC P1767 HIGH AND LOW REVERSE CLUTCH SOLENOID VALVE" .
❏ AT-160, "
DTC P1769 HIGH AND LOW REVERSE CLUTCH SOLENOID VALVE
FUNCTION" .
❏ AT-162, "
DTC P1772 LOW COAST BRAKE SOLENOID VALVE" .
❏ AT-164, "
DTC P1774 LOW COAST BRAKE SOLENOID VALVE FUNCTION" .
❏ AT-166, "
DTC P1815 MANUAL MODE SWITCH" .
❏ AT-171, "
DTC P1841 ATF PRESSURE SWITCH 1" .
❏ AT-173, "
DTC P1843 ATF PRESSURE SWITCH 3" .
❏ AT-175, "
DTC P1845 ATF PRESSURE SWITCH 5" .
❏ AT-177, "
DTC P1846 ATF PRESSURE SWITCH 6" .
4-2. Check at Idle
AT- 5 7
❏ AT- 1 9 0 , "Engine Cannot Be Started in “P” or “N” Position" .
❏ AT- 1 9 1 , "
In “P” Position, Vehicle Moves When Pushed"
❏ AT- 1 9 2 , "In “N” Position, Vehicle Moves" .
❏ AT- 1 9 3 , "
Large Shock (“N” to “D” Position)" .
❏ AT- 1 9 6 , "
Vehicle Does Not Creep Backward in “R” Position" .
❏ AT- 1 9 9 , "
Vehicle Does Not Creep Forward in “D” Position" .
4-3. Cruise Test
AT- 5 8
Part 1
❏ AT- 2 0 1 , "
Vehicle Cannot Be Started From D1" .
❏ AT- 2 0 4 , "
A/T Does Not Shift: D1 → D2" .
❏ AT- 2 0 6 , "
A/T Does Not Shift: D2 → D3" .
❏ AT- 2 0 8 , "
A/T Does Not Shift: D3 → D4" .
❏ AT- 2 11 , "
A/T Does Not Shift: D4 → D5" .
❏ AT- 2 1 3 , "
A/T Does Not Lock-up"
❏ AT- 2 1 5 , "A/T Does Not Hold Lock-up Condition" .
❏ AT- 2 1 7 , "
Lock-up Is Not Released" .
❏ AT- 2 1 7 , "
Engine Speed Does Not Return to Idle" .

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INFINITI FX35 2006 Service Manual AT-50
TROUBLE DIAGNOSIS
Revision: 2006 December 2006 FX35/FX45
44-3. Part 2
AT- 6 0
❏ AT-201, "Vehicle Cannot Be Started From D1" .
❏ AT-204, "
A/T Does Not Shift: D1 → D2" .
❏ AT-206,

AT-50
TROUBLE DIAGNOSIS
Revision: 2006 December 2006 FX35/FX45
44-3. Part 2
AT- 6 0
❏ AT-201, "Vehicle Cannot Be Started From D1" .
❏ AT-204, "
A/T Does Not Shift: D1 → D2" .
❏ AT-206, "
A/T Does Not Shift: D2 → D3" .
❏ AT-208, "
A/T Does Not Shift: D3 → D4" .
Part 3 AT- 6 1
❏ AT-219, "Cannot Be Changed to Manual Mode" .
❏ AT-219, "
A/T Does Not Shift: 5th Gear → 4th Gear" .
❏ AT-221, "
A/T Does Not Shift: 4th Gear → 3rd Gear" .
❏ AT-223, "
A/T Does Not Shift: 3rd Gear → 2nd Gear" .
❏ AT-225, "
A/T Does Not Shift: 2nd Gear → 1st Gear" .
❏ AT-227, "
Vehicle Does Not Decelerate by Engine Brake" .
❏ Perform self-diagnostics. Enter checks for detected items. AT- 9 2
, AT-102 .
❏ AT-104, "
DTC U1000 CAN COMMUNICATION LINE" .
❏ AT-107, "
DTC P0615 START SIGNAL CIRCUIT" .
❏ AT- 111 , "
DTC P0700 TCM"
❏ AT- 11 2 , "DTC P0705 PARK/NEUTRAL POSITION SWITCH" .
❏ AT- 11 6 , "
DTC P0717 TURBINE REVOLUTION SENSOR" .
❏ 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 P1705 THROTTLE POSITION SENSOR" .
❏ AT-134, "
DTC P1710 A/T FLUID TEMPERATURE SENSOR CIRCUIT" .
❏ AT-139, "
DTC P1721 VEHICLE SPEED SENSOR MTR" .
❏ AT-141, "
DTC P1730 A/T INTERLOCK" .
❏ AT-144, "
DTC P1731 A/T 1ST ENGINE BRAKING" .
❏ AT-146, "
DTC P1752 INPUT CLUTCH SOLENOID VALVE" .
❏ AT-148, "
DTC P1754 INPUT CLUTCH SOLENOID VALVE FUNCTION" .
❏ AT-150, "
DTC P1757 FRONT BRAKE SOLENOID VALVE" .
❏ AT-152, "
DTC P1759 FRONT BRAKE SOLENOID VALVE FUNCTION" .
❏ AT-154, "
DTC P1762 DIRECT CLUTCH SOLENOID VALVE" .
❏ AT-156, "
DTC P1764 DIRECT CLUTCH SOLENOID VALVE FUNCTION" .
❏ AT-158, "
DTC P1767 HIGH AND LOW REVERSE CLUTCH SOLENOID VALVE" .
❏ AT-160, "
DTC P1769 HIGH AND LOW REVERSE CLUTCH SOLENOID VALVE
FUNCTION" .
❏ AT-162, "
DTC P1772 LOW COAST BRAKE SOLENOID VALVE" .
❏ AT-164, "
DTC P1774 LOW COAST BRAKE SOLENOID VALVE FUNCTION" .
❏ AT-166, "
DTC P1815 MANUAL MODE SWITCH" .
❏ AT-171, "
DTC P1841 ATF PRESSURE SWITCH 1" .
❏ AT-173, "
DTC P1843 ATF PRESSURE SWITCH 3" .
❏ AT-175, "
DTC P1845 ATF PRESSURE SWITCH 5" .
❏ AT-177, "
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- 9 5,
AT-
102

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INFINITI FX35 2006 Service Manual TROUBLE DIAGNOSIS AT-51
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Revision: 2006 December 2006 FX35/FX45
A/T Electrical Parts LocationNCS001BF
SCIA7752E

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INFINITI FX35 2006 Service Manual AT-52
TROUBLE DIAGNOSIS
Revision: 2006 December 2006 FX35/FX45
Circuit DiagramNCS001BG
TCWM0495E

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