2005 INFINITI FX35 Service Manual

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Page 169 of 4731

INFINITI FX35 2005 Service Manual AT-86
TROUBLE DIAGNOSIS
Revision: 2005 July 2005 FX
61
Others Engine brake does
not work M3 → M2. ON vehicle 1. PNP switch
AT- 11 4
2. A/T fluid level and state AT- 5 2
3. Control linkage a

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INFINITI FX35 2005 Service Manual TROUBLE DIAGNOSIS AT-87
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Revision: 2005 July 2005 FX
64
Others Extremely large
creep. ON vehicle 1. Engine idle speed EC-83
(for
VQ35DE)
or EC-774

Page 171 of 4731

INFINITI FX35 2005 Service Manual AT-88
TROUBLE DIAGNOSIS
Revision: 2005 July 2005 FX
68
Others Engine does not start
in “N” or “P” position.
Refer to AT-194, "Engine Cannot Be
Started in “P” or “N”
Position" .

Page 172 of 4731

INFINITI FX35 2005 Service Manual TROUBLE DIAGNOSIS AT-89
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Revision: 2005 July 2005 FX
TCM Input/Output Signal Reference ValuesACS002M8
A/T ASSEMBLY HARNESS CONNECTOR TERMINAL LAYOUT
TCM INSPECT

Page 173 of 4731

INFINITI FX35 2005 Service Manual AT-90
TROUBLE DIAGNOSIS
Revision: 2005 July 2005 FX
CONSULT-II Function (A/T)ACS002M9
CONSUT-II can display each diagnostic item using the diagnostic test models shown following.
FUNCTION
CONSULT-II

AT-90
TROUBLE DIAGNOSIS
Revision: 2005 July 2005 FX
CONSULT-II Function (A/T)ACS002M9
CONSUT-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 3
Data monitor Input/Output data in the ECU can be read.AT- 9 6
CAN diagnostic support
monitor The results of transmit/receive diagnosis of CAN communication can be read.
AT- 1 0 0
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- 1 0 0
ECU part number ECU 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. 8/8
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 When performing slip lock-up 0.2 - 0.4 A
When performing lock-up 0.4 - 0.6 A
LINE PRES SOL During driving 0.2 - 0.6 A

Page 174 of 4731

INFINITI FX35 2005 Service Manual TROUBLE DIAGNOSIS AT-91
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Revision: 2005 July 2005 FX
FR/B SOLENOID Front brake engaged. Refer to
AT- 2 1 . 0.6 - 0.8 A
Front brake disengaged. Refer to AT- 2

Page 175 of 4731

INFINITI FX35 2005 Service Manual AT-92
TROUBLE DIAGNOSIS
Revision: 2005 July 2005 FX
CONSULT-II SETTING PROCEDURE
CAUTION:
If CONSULT-II is used with no connection of CONSULT-II CONVERTER, malfunctions might be
detected in self-dia

Page 176 of 4731

INFINITI FX35 2005 Service Manual TROUBLE DIAGNOSIS AT-93
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Revision: 2005 July 2005 FX
SELF-DIAGNOSTIC RESULT MODE
After performing AT- 9 3 , "SELF-DIAGNOSTIC RESULT MODE" , place check marks for

TROUBLE DIAGNOSIS AT-93
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Revision: 2005 July 2005 FX
SELF-DIAGNOSTIC RESULT MODE
After performing AT- 9 3 , "SELF-DIAGNOSTIC RESULT MODE" , place check marks for results on the AT- 4 7 ,
"DIAGNOSTIC WORKSHEET" . Reference pages are provided following the items.
Operation Procedure
1. Perform “CONSULT-II SETTING PROCEDURE”. Refer to AT- 9 2 , "CONSULT-II SETTING PROCEDURE"
.
2. Touch “SELF-DIAG RESULTS”. Display shows malfunction experienced since the last erasing
operation.
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- 1 0 6
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- 1 0 9
TCMTCM is malfunctioning P0700 P0700*3 AT- 11 3
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 4
VEH SPD SEN/CIR
AT (Revolution
sensor)
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 P0725*3
AT- 1 2 3
TCC SOLENOID/
CIRCNormal voltage not applied to solenoid due to cut line, short, or
the like P0740 P0740
AT- 1 2 5
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- 1 2 7
L/PRESS SOL/
CIRC
Normal voltage not applied to solenoid due to cut line, short, or
the like
TCM detects as irregular by comparing target value with monitor
value. P0745 P0745
AT- 1 2 9
TCM·RAMTCM memory (RAM) is malfunctioning. P1702 — AT- 1 3 1

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