2006 INFINITI M35 Factory Service Manual

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Page 169 of 5621

INFINITI M35 2006 Factory Service Manual AT-90
TROUBLE DIAGNOSIS
Revision: 2006 January2006 M35/M45
CONSULT-II Function (A/T)NCS001KH
CONSULT-II can display each diagnostic item using the diagnostic test modes shown following.
FUNCTION
CONSU

AT-90
TROUBLE DIAGNOSIS
Revision: 2006 January2006 M35/M45
CONSULT-II Function (A/T)NCS001KH
CONSULT-II can display each diagnostic item using the diagnostic test modes 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 6
CAN diagnostic support
monitorThe results of transmit/receive diagnosis of CAN communication can be read.AT- 1 0 0
Function testPerformed 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 Diagnostic Trouble Codes.AT- 1 0 0
ECU part number ECU part number can be read. —
Item name Condition Display value
(Approx.)
VHCL/S SEꞏA/T
During drivingApproximately
matches the speed
meter reading. VHCL/S SEꞏMTR
ACCELE POSIReleased accelerator pedal. 0.0/8
Fully depressed accelerator pedal. 8.0/8
CLSD THL POSReleased accelerator pedal. ON
Fully depressed accelerator pedal. OFF
W/O THL POSFully depressed accelerator pedal. ON
Released accelerator pedal. OFF
BRAKE SWDepressed brake pedal. ON
Released brake pedal. OFF
ENGINE SPEED Engine runningClosely matches the
tachometer reading.
TURBINE REV During driving (lock-up ON)Approximately
matches the engine
speed.
ATF TEMP SE 1
0
C (32 F) - 20C (68F) - 80C (176F)3.3 - 2.7 - 0.9V
ATF TEMP SE 23.3 - 2.5 - 0.7V
TCC SOLENOID Lock-up is active 0.4 - 0.6A
LINE PRES SOL During driving 0.2 - 0.6A

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INFINITI M35 2006 Factory Service Manual TROUBLE DIAGNOSIS
AT-91
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Revision: 2006 January2006 M35/M45
FR/B SOLENOIDFront brake engaged. Refer to AT- 2 1 . 0.6 - 0.8A
Front brake disengaged. Refer to AT- 2 1
. 0 - 0.0

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INFINITI M35 2006 Factory Service Manual AT-92
TROUBLE DIAGNOSIS
Revision: 2006 January2006 M35/M45
CONSULT-II SETTING PROCEDURE
Refer to GI-39, "CONSULT-II Start Procedure" .
SELF-DIAGNOSTIC RESULT MODE
After performing self-diagnos

AT-92
TROUBLE DIAGNOSIS
Revision: 2006 January2006 M35/M45
CONSULT-II SETTING PROCEDURE
Refer to GI-39, "CONSULT-II Start Procedure" .
SELF-DIAGNOSTIC RESULT MODE
After performing self-diagnosis, place check marks for results on the AT- 4 8 , "DIAGNOSTIC WORKSHEET" .
Reference pages are provided following the items.
Operation Procedure
1. Touch “SELF-DIAG RESULTS” on “SELECT DIAG MODE”
screen.
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-
diagnosisOBD-II (DTC)
Reference
page
“A/T” with
CONSULT-IIMIL indicator
lamp*1,
“ENGINE” with
CONSULT-II or
GST
CAN COMM CIR-
CUIT
When a malfunction is detected in CAN communications. U1000 U1000AT-105
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-108
TCMTCM is malfunctioning P0700 P0700AT- 11 2
PNP SW/CIRC
PNP switch 1-4 signals input with impossible pattern.
“P” position is detected from “N” position without any other
position being detected in between.P0705 P0705AT- 11 3
TURBINE REV S/
CIRC
TCM 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 P0717AT- 11 7
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 P0720AT- 11 9
ENGINE SPEED
SIGTCM does not receive the CAN communication signal from
the ECM.P0725 P0725*3AT-124
TCC SOLENOID/
CIRCNormal voltage not applied to solenoid due to cut line,
short, or the like.P0740 P0740AT-126
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*2AT-128

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INFINITI M35 2006 Factory Service Manual TROUBLE DIAGNOSIS
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Revision: 2006 January2006 M35/M45L/PRESS SOL/
CIRC
Normal voltage not applied to solenoid due to cut line,
short, or the like.
TCM detects as irregu

TROUBLE DIAGNOSIS
AT-93
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Revision: 2006 January2006 M35/M45L/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 P0745AT- 1 3 0
TP SEN/CIRC A/TTCM does not receive the proper accelerator pedal position
signals (input by CAN communication) from ECM.P1705 P1705*3AT- 1 3 2
ATF TEMP SEN/
CIRC During running, the A/T fluid temperature sensor signal
voltage is excessively high or low.P1710 P0710AT- 1 3 5
VEH SPD SE/
CIRꞏMTRSignal (CAN communication) from vehicle speed sensor
MTR not input due to cut line or the like.
Unexpected signal input during running.P1721 —AT- 1 4 0
A/T INTERLOCK
Except during shift change, the gear position and ATF pres-
sure switch states are monitored and comparative judge-
ment made.P1730 P1730AT- 1 4 2
A/T 1ST E/BRAK-
ING
Each ATF pressure switch and solenoid current is moni-
tored and if a pattern is detected having engine braking 1st
gear other than in the M1 position, a malfunction is
detected.P1731 —AT- 1 4 5
I/C SOLENOID/
CIRC
Normal voltage not applied to solenoid due to functional
malfunction, cut line, short, or the like.
TCM detects as irregular by comparing target value with
monitor value.P1752 P1752AT- 1 4 7
I/C SOLENOID
FNCTN
TCM detects that actual gear ratio is irregular, and relation
between gear position and condition of ATF pressure
switch 3 is irregular during depressing accelerator pedal.
(Other than during shift change.)
TCM detects that relation between gear position and condi-
tion of ATF pressure switch 3 is irregular during releasing
accelerator pedal. (Other than during shift change.)P1754 P1754*2AT- 1 4 9
FR/B SOLENOID/
CIRC
Normal voltage not applied to solenoid due to functional
malfunction, cut line, short, or the like.
TCM detects as irregular by comparing target value with
monitor value.P1757 P1757AT- 1 5 1
FR/B SOLENOID
FNCT
TCM detects that actual gear ratio is irregular, and relation
between gear position and condition of ATF pressure
switch 1 is irregular during depressing accelerator pedal.
(Other than during shift change.)
TCM detects that relation between gear position and condi-
tion of ATF pressure switch 1 is irregular during releasing
accelerator pedal. (Other than during shift change.)P1759 P1759*2AT- 1 5 3
D/C SOLENOID/
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.P1762 P1762AT- 1 5 5
Items (CONSULT-
II screen terms)Malfunction is detected when...TCM self-
diagnosisOBD-II (DTC)
Reference
page
“A/T” with
CONSULT-IIMIL indicator
lamp*1,
“ENGINE” with
CONSULT-II or
GST

Page 173 of 5621

INFINITI M35 2006 Factory Service Manual AT-94
TROUBLE DIAGNOSIS
Revision: 2006 January2006 M35/M45
*1: Refer to EC-69, "Malfunction Indicator Lamp (MIL)" (for VQ35DE engine), EC-780, "Malfunction Indicator Lamp (MIL)" (for

AT-94
TROUBLE DIAGNOSIS
Revision: 2006 January2006 M35/M45
*1: Refer to EC-69, "Malfunction Indicator Lamp (MIL)" (for VQ35DE engine), EC-780, "Malfunction Indicator Lamp (MIL)" (for VK45DE
engine).
*2: These malfunctions cannot be displayed MIL if another malfunction is assigned to MIL. D/C SOLENOID
FNCTN
TCM detects that actual gear ratio is irregular, and relation
between gear position and condition of ATF pressure
switch 5 is irregular during depressing accelerator pedal.
(Other than during shift change.)
TCM detects that relation between gear position and condi-
tion of ATF pressure switch 5 is irregular during releasing
accelerator pedal. (Other than during shift change.)P1764 P1764*2AT-157
HLR/C SOL/CIRC
Normal voltage not applied to solenoid due to functional
malfunction, cut line, short, or the like.
TCM detects as irregular by comparing target value with
monitor value.P1767 P1767AT-159
HLR/C SOL
FNCTN
TCM detects that actual gear ratio is irregular, and relation
between gear position and condition of ATF pressure
switch 6 is irregular during depressing accelerator pedal.
(Other than during shift change.)
TCM detects that relation between gear position and condi-
tion of ATF pressure switch 6 is irregular during releasing
accelerator pedal. (Other than during shift change.)P1769 P1769*2AT-161
LC/B SOLENOID/
CIRCNormal voltage not applied to solenoid due to functional
malfunction, cut line, short, or the like.P1772 P1772AT-163
LC/B SOLENOID
FNCT
TCM detects an improper voltage drop when it tries to oper-
ate the solenoid valve.
Condition of ATF pressure switch 2 is different from monitor
value, and relation between gear position and actual gear
ratio is irregular.P1774 P1774*2AT-165
MANU MODE SW/
CIRCWhen an impossible pattern of switch signals is detected, a
malfunction is detected.P1815 —AT-167
ATF PRES SW 1/
CIRC
TCM detects that actual gear ratio is normal, and relation
between gear position and condition of ATF pressure
switch 1 is irregular during depressing accelerator pedal.
(Other than during shift change.)P1841 —AT-172
ATF PRES SW 3/
CIRC
TCM detects that actual gear ratio is normal, and relation
between gear position and condition of ATF pressure
switch 3 is irregular during depressing accelerator pedal.
(Other than during shift change.)P1843 —AT-174
ATF PRES SW 5/
CIRC
TCM detects that actual gear ratio is normal, and relation
between gear position and condition of ATF pressure
switch 5 is irregular during depressing accelerator pedal.
(Other than during shift change.)P1845 —AT-176
ATF PRES SW 6/
CIRC
TCM detects that actual gear ratio is normal, and relation
between gear position and condition of ATF pressure
switch 6 is irregular during depressing accelerator pedal.
(Other than during shift change.)P1846 —AT-178
NO DTC IS
DETECTED FUR-
THER TESTING
MAY BE
REQUIRED
No NG item has been detected. X X — Items (CONSULT-
II screen terms)Malfunction is detected when...TCM self-
diagnosisOBD-II (DTC)
Reference
page
“A/T” with
CONSULT-IIMIL indicator
lamp*1,
“ENGINE” with
CONSULT-II or
GST

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INFINITI M35 2006 Factory Service Manual TROUBLE DIAGNOSIS
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Revision: 2006 January2006 M35/M45
*3: For VQ35DE engine.

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INFINITI M35 2006 Factory Service Manual AT-96
TROUBLE DIAGNOSIS
Revision: 2006 January2006 M35/M45
How to Erase Self-diagnostic Results
1. Touch “SELF-DIAG RESULTS” on “SELECT DIAG MODE”
screen.
2. Touch ”ERASE”. (The self

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INFINITI M35 2006 Factory Service Manual TROUBLE DIAGNOSIS
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Revision: 2006 January2006 M35/M45
GEAR — XGear position recognized by the TCM updated
after gear-shifting.
ENGINE SPEED (rpm) X X
TURBINE REV (rp

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