2006 INFINITI FX35 Service Manual

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Page 169 of 4462

INFINITI FX35 2006 Service Manual TROUBLE DIAGNOSIS AT-85
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AT
Revision: 2006 December 2006 FX35/FX45
57 Others Strange noise in “D”
position. ON vehicle
1. A/T fluid level and state
AT- 5 3

Page 170 of 4462

INFINITI FX35 2006 Service Manual AT-86
TROUBLE DIAGNOSIS
Revision: 2006 December 2006 FX35/FX45
61 Others Engine brake does
not work M3 → M2. ON vehicle 1. PNP switch
AT- 11 2
2. A/T fluid level and state AT- 5 3
3. Control

Page 171 of 4462

INFINITI FX35 2006 Service Manual TROUBLE DIAGNOSIS AT-87
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Revision: 2006 December 2006 FX35/FX45
64 Others Extremely large
creep. ON vehicle 1. Engine idle speed EC-82
(for
VQ35DE)
or

TROUBLE DIAGNOSIS AT-87
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Revision: 2006 December 2006 FX35/FX45
64 Others Extremely large
creep. ON vehicle 1. Engine idle speed EC-82
(for
VQ35DE)
or EC-742

(for
VK45DE)
2. CAN communication line AT-104
3. ATF pressure switch 5AT-175
OFF vehicle 4. Torque converter AT-294
65 With selector lever in
“P” position, vehicle
does not enter parking
condition or, with
selector lever in
another position, park-
ing condition is not
cancelled.
Refer to AT-191, "
In
“P” Position, Vehicle
Moves When Pushed"
. ON vehicle
1. PNP switch
AT- 11 2
2. Control linkage adjustmentAT-231
OFF vehicle 3. Parking pawl components AT-
251(2WD
models) or AT-294

(AWD
models)
66 Vehicle runs with A/T
in “P” position. ON vehicle
1. PNP switch
AT- 11 2
2. A/T fluid level and state AT- 5 3
3. Control linkage adjustmentAT-231
4. Control valve with TCMAT-239
OFF vehicle 5. Parking pawl components AT-
251(2WD
models) or
AT-294

(AWD
models)
6. Gear system AT-274
67 Vehicle runs with A/T
in “N” position.
Refer to AT-192, "In
“N” Position, Vehicle
Moves" . ON vehicle
1. PNP switch
AT- 11 2
2. A/T fluid level and state AT- 5 3
3. Control linkage adjustmentAT-231
4. Control valve with TCMAT-239
OFF vehicle 5. Input clutch
AT-317
6. Gear systemAT-274
7. Direct clutchAT-332
8. Reverse brakeAT-294
9. Forward one-way clutch (Parts behind drum support is
impossible to perform inspection by disassembly. Refer to
AT- 1 8 , "
Cross-sectional View (2WD Models)" , AT-19,
"Cross-sectional View (VQ35DE Models for AWD)" or AT-
20, "Cross-sectional View (VK45DE Models for AWD)" ) AT-294
10. Low coast brake (Parts behind drum support is impossi-
ble to perform inspection by disassembly. Refer to AT-18,
"Cross-sectional View (2WD Models)" , AT- 1 9 , "Cross-sec-
tional View (VQ35DE Models for AWD)" or AT-20, "Cross-
sectional View (VK45DE Models for AWD)" ) AT-294
No. Items Symptom Condition Diagnostic Item
Reference
page

Page 172 of 4462

INFINITI FX35 2006 Service Manual AT-88
TROUBLE DIAGNOSIS
Revision: 2006 December 2006 FX35/FX45
68 Others Engine does not start
in “N” or “P” position.
Refer to AT-190, "Engine Cannot Be
Started in “P” or “N”
P

Page 173 of 4462

INFINITI FX35 2006 Service Manual TROUBLE DIAGNOSIS AT-89
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Revision: 2006 December 2006 FX35/FX45
TCM Input/Output Signal Reference ValuesNCS001BQ
A/T ASSEMBLY HARNESS CONNECTOR TERMINAL LAYOUT
T

Page 174 of 4462

INFINITI FX35 2006 Service Manual AT-90
TROUBLE DIAGNOSIS
Revision: 2006 December 2006 FX35/FX45
CONSULT-II Function (A/T)NCS001BR
CONSULT-II can display each diagnostic item using the diagnostic test models shown following.
FUNCTION

AT-90
TROUBLE DIAGNOSIS
Revision: 2006 December 2006 FX35/FX45
CONSULT-II Function (A/T)NCS001BR
CONSULT-II can display each diagnostic item using the diagnostic test models shown following.
FUNCTION
CONSULT-II REFERENCE VALUE
NOTICE:
1. The CONSULT-II electrically displays shift timing and lock-up timing (that is, operation timing of each sole-
noid).
Check for time difference between actual shift timing and the CONSULT-II display. If the difference is
noticeable, mechanical parts (except solenoids, sensors, etc.) may be malfunctioning. Check mechanical
parts using applicable diagnostic procedures.
2. Shift schedule (which implies gear position) displayed on CONSULT-II and that indicated in Service Man- ual may differ slightly. This occurs because of the following reasons:
–Actual shift schedule has more or less tolerance or allowance,
–Shift schedule indicated in Service Manual refers to the point where shifts start, and
–Gear position displayed on CONSULT-II indicates the point where shifts are completed.
3. Display of solenoid valves on CONSULT-II changes at the start of shifting, while gear position is displayed upon completion of shifting (which is computed by TCM).
Diagnostic test mode Function Reference page
Self-diagnostic results Self-diagnostic results can be read and erased quickly. AT- 9 2
Data monitor Input/Output data in the ECU can be read.AT- 9 5
CAN diagnostic support
monitor The results of transmit/receive diagnosis of CAN communication can be read.
AT- 9 9
Function test Performed by CONSULT-II instead of a technician to determine whether each system
is “OK” or “NG”. —
DTC work support Select the operating condition to confirm Diagnosis Trouble Codes. AT- 9 9
ECU part number TCM part number can be read. —
Item name Condition Display value
(Approx.)
VHCL/S SE-A/T During driving Approximately
matches the speed-
ometer reading.
VHCL/S SE-MTR
ACCELE POSI Released accelerator pedal. 0.0/8
Fully depressed accelerator pedal. 8.0/8
CLSD THL POS Released accelerator pedal. ON
Fully depressed accelerator pedal. OFF
W/O THL POS Fully depressed accelerator pedal. ON
Released accelerator pedal. OFF
BRAKE SW Depressed brake pedal. ON
Released brake pedal. OFF
ENGINE SPEED Engine running Closely matches the
tachometer reading.
TURBINE REV During driving (lock-up ON) Approximately
matches the engine
speed.
ATF TEMP SE 1 0 °C (32 ° F) - 20 °C (68 °F) - 80 °C (176 °F) 3.3 - 2.7 - 0.9 V
ATF TEMP SE 2 3.3 - 2.5 - 0.7 V
TCC SOLENOID Slip lock-up is active 0.2 - 0.4 A
Lock-up is active 0.4 - 0.6 A
LINE PRES SOL During driving 0.2 - 0.6 A

Page 175 of 4462

INFINITI FX35 2006 Service Manual TROUBLE DIAGNOSIS AT-91
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Revision: 2006 December 2006 FX35/FX45
FR/B SOLENOID Front brake engaged. Refer to
AT- 2 2 . 0.6 - 0.8 A
Front brake disengaged. Refer

Page 176 of 4462

INFINITI FX35 2006 Service Manual AT-92
TROUBLE DIAGNOSIS
Revision: 2006 December 2006 FX35/FX45
CONSULT-II SETTING PROCEDURE
Refer to GI-38, "CONSULT-II Start Procedure" .
SELF-DIAGNOSTIC RESULT MODE
After performing AT- 9 2 , "SEL

AT-92
TROUBLE DIAGNOSIS
Revision: 2006 December 2006 FX35/FX45
CONSULT-II SETTING PROCEDURE
Refer to GI-38, "CONSULT-II Start Procedure" .
SELF-DIAGNOSTIC RESULT MODE
After performing AT- 9 2 , "SELF-DIAGNOSTIC RESULT MODE" , place check marks for results on the AT- 4 8 ,
"DIAGNOSTIC WORKSHEET" . Reference pages are provided following the items.
Operation Procedure
Touch “SELF-DIAG RESULTS” on “SELECT DIAG MODE” screen.
Display shows malfunction experienced since the last erasing opera-
tion.
Display Items List
X: Applicable, —: Not applicable
BCIA0031E
Items (CONSULT-II
screen terms) Malfunction is detected when... TCM self-
diagnosis OBD-II
(DTC)
Reference page
“A/T” with
CONSULT-
II MIL indica-
tor lamp(*1) ,
“ENGINE”
with CON-
SULT-II or GST
CAN COMM CIR-
CUIT
When a malfunction is detected in CAN communications U1000 U1000 AT-104
STARTER RELAY/
CIRC
If this signal is ON other than in “P” or “N” position, this is judged
to be a malfunction.
(And if it is OFF in “P” or “N” position, this too is judged to be a
malfunction.) P0615 —
AT-107
TCMTCM is malfunctioning P0700 P0700 AT- 111
PNP SW/CIRC
PNP switch 1-4 signals input with impossible pattern
“P” position is detected from “N” position without any other posi-
tion being detected in between. P0705 P0705
AT- 11 2
TURBINE REV S/
CIRCTCM does not receive the proper voltage signal from the sensor.
TCM detects an irregularity only at position of 4th gear for turbine
revolution sensor 2. P0717 P0717
AT- 11 6
VEH SPD SEN/CIR
AT
Signal from vehicle speed sensor A/T (Revolution sensor) not
input due to cut line or the like
Unexpected signal input during running
After ignition switch is turned ON, unexpected signal input from
vehicle speed sensor MTR before the vehicle starts moving P0720 P0720
AT- 11 8
ENGINE SPEED
SIGTCM does not receive the CAN communication signal from the
ECM. P0725 —
AT-123
TCC SOLENOID/
CIRCNormal voltage not applied to solenoid due to cut line, short, or
the like P0740 P0740
AT-125
A/T TCC S/V
FNCTNA/T cannot perform lock-up even if electrical circuit is good.
TCM detects as irregular by comparing difference value with slip
rotation. P0744
P0744(*2)AT-127

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