2008 INFINITI FX35 Service Manual

deactivate airbag change wheel trip computer reset sun roof emergency towing spark plugs replace

Page 153 of 3924

INFINITI FX35 2008 Service Manual
AT-80
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS
57Others Strange noise in “D”
position.
ON vehicle
1. A/T fluid level and state
AT- 4 9
2. Engine speed signalAT- 11 2
3. CAN communication line A

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INFINITI FX35 2008 Service Manual
TROUBLE DIAGNOSISAT-81
< SERVICE INFORMATION >
DE
F
G H
I
J
K L
M A
B
AT
N
O P61
Others Engine brake does not
work M3
→ M2. ON vehicle 1. PNP switch
AT- 1 0 2
2. A/T fluid level and state AT- 4 9

TROUBLE DIAGNOSISAT-81
< SERVICE INFORMATION >
DE
F
G H
I
J
K L
M A
B
AT
N
O P61
Others Engine brake does not
work M3
→ M2. ON vehicle 1. PNP switch
AT- 1 0 2
2. A/T fluid level and state AT- 4 9
3. A/T positionAT- 2 0 7
4. Manual mode switchAT- 1 5 5
5. CAN communication line AT- 9 4
6. Control valve with TCMAT- 2 1 5
OFF vehicle7. Front brake (brake band)
AT- 2 6 78. Input clutchAT- 2 8 9
9. High and low reverse clutchAT- 3 0 1
62Engine brake does not
work M2
→ M1. ON vehicle 1. PNP switch
AT- 1 0 2
2. A/T fluid level and state AT- 4 9
3. A/T positionAT- 2 0 7
4. Manual mode switchAT- 1 5 5
5. CAN communication line AT- 9 4
6. Control valve with TCMAT- 2 1 5
OFF vehicle7. Input clutch
AT- 2 8 98. High and low reverse clutchAT- 3 0 1
9. Direct clutchAT- 3 0 3
63 Maximum speed low.ON vehicle
1. A/T fluid level and state
AT- 4 9
2. Line pressure testAT- 4 9
3. Accelerator pedal position sensorAT- 1 3 0
4. CAN communication line AT- 9 4
5. Direct clutch solenoid valveAT- 1 4 7
6. Control valve with TCMAT- 2 1 5
OFF vehicle7. Torque converter
AT- 2 6 7
8. Oil pump assemblyAT- 2 8 5
9. Input clutchAT- 2 8 9
10. Gear systemAT- 2 4 9
11. High and low reverse clutchAT- 3 0 1
12. Direct clutchAT- 3 0 3
13. Forward one-way clutch (Parts behind drum support is im-
possible to perform inspection by disassembly. Refer to AT-
16, "Cross-Sectional View (2WD Models)", AT- 1 7 , "Cross-
Sectional View (VQ35DE Models for AWD)" or AT- 1 8 , "Cross-
Sectional View (VK45DE Models for AWD)") AT- 2 6 7
14. Forward brake (Parts behind drum support is impossible
to perform inspection by disassembly. Refer to
AT- 1 6 , "
Cross-
Sectional View (2WD Models)", AT- 1 7 , "Cross-Sectional View
(VQ35DE Models for AWD)" or AT- 1 8 , "Cross-Sectional View
(VK45DE Models for AWD)") AT- 2 6 7
No. Items Symptom Condition Diagnostic Item
Reference
page
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INFINITI FX35 2008 Service Manual
AT-82
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS
64Others Extremely large creep.
ON vehicle1. Engine idle speed EC-84
(for
VQ35DE)
or EC-661

(for
VK45DE)
2. CAN communication line AT- 9 4
OFF

AT-82
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS
64Others Extremely large creep.
ON vehicle1. Engine idle speed EC-84
(for
VQ35DE)
or EC-661

(for
VK45DE)
2. CAN communication line AT- 9 4
OFF vehicle 3. Torque converter AT- 2 6 7
65With selector lever in
“P” position, vehicle
does not enter parking
condition or, with se-
lector lever in another
position, parking con-
dition is not cancelled.
Refer to
AT- 1 7 1 , "
In
"P" Position, Vehicle
Moves When
Pushed". ON vehicle
1. PNP switch
AT- 1 0 2
2. A/T positionAT- 2 0 7
OFF vehicle 3. Parking pawl components AT-
226(2WD
models) or AT- 2 6 7

(AWD
models)
66 Vehicle runs with A/T
in “P” position. ON vehicle
1. PNP switch
AT- 1 0 2
2. A/T fluid level and state AT- 4 9
3. A/T positionAT- 2 0 7
4. Control valve with TCMAT- 2 1 5
OFF vehicle5. Parking pawl components AT-
226(2WD
models) or AT- 2 6 7

(AWD
models)
6. Gear system AT- 2 4 9
67Vehicle runs with A/T
in “N” position.
Refer to
AT- 1 7 2 , "In
"N" Position, Vehicle
Moves". ON vehicle
1. PNP switch
AT- 1 0 2
2. A/T fluid level and state AT- 4 9
3. A/T positionAT- 2 0 7
4. Control valve with TCMAT- 2 1 5
OFF vehicle5. Input clutch
AT- 2 8 9
6. Gear systemAT- 2 4 9
7. Direct clutchAT- 3 0 3
8. Reverse brakeAT- 2 6 7
9. Forward one-way clutch (Parts behind drum support is im-
possible to perform inspection by disassembly. Refer to AT-
16, "Cross-Sectional View (2WD Models)", AT- 1 7 , "Cross-
Sectional View (VQ35DE Models for AWD)" or AT- 1 8 , "Cross-
Sectional View (VK45DE Models for AWD)") AT- 2 6 7
10. Low coast brake (Parts behind drum support is impossible
to perform inspection by disassembly. Refer to
AT- 1 6 , "
Cross-
Sectional View (2WD Models)", AT- 1 7 , "Cross-Sectional View
(VQ35DE Models for AWD)" or AT- 1 8 , "Cross-Sectional View
(VK45DE Models for AWD)") AT- 2 6 7
No. Items Symptom Condition Diagnostic Item
Reference
page
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
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INFINITI FX35 2008 Service Manual
TROUBLE DIAGNOSISAT-83
< SERVICE INFORMATION >
DE
F
G H
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M A
B
AT
N
O P
TCM Input/Output Signal Reference ValueINFOID:0000000001327162
A/T ASSEMBLY HARNESS CONNECTOR TERMINAL LAYOUT
TCM INSPE

Page 157 of 3924

INFINITI FX35 2008 Service Manual
AT-84
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS
Data are reference value and are measured between each terminal and ground.
CONSULT-III Function (TRANSMISSION)INFOID:0000000001327163
CONSULT-III can

AT-84
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS
Data are reference value and are measured between each terminal and ground.
CONSULT-III Function (TRANSMISSION)INFOID:0000000001327163
CONSULT-III can display each diagnostic item us ing the diagnostic test models shown following.
FUNCTION
CONSULT-III REFERENCE VALUE
NOTICE:
1. The CONSULT-III electrically displays shift timi ng and lock-up timing (that is, operation timing of each
solenoid).
Check for time difference between actual shift timi ng and the CONSULT-III display. If the difference is
noticeable, mechanical parts (except solenoids, sens ors, etc.) may be malfunctioning. Check mechanical
parts using applicable diagnostic procedures.
2. Shift schedule (which implies gear position) display ed on CONSULT-III 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-III indicates the point where shifts are completed.
Te r m i n a l Wire
color Item Condition Data (Approx.)
1LG Power supply
(Memory back-up) Always Battery voltage
2LG Power supply
(Memory back-up)
Always Battery voltage
3 L CAN-H – –
4PU K-line (CONSULT-
III signal) The terminal is connected to the data link connector for CONSULT-III. –
5 B Ground – –
6YPower supply – Battery voltage
–0 V
7OR Back-up lamp re-
lay Selector lever in “R” position. 0 V
Selector lever in other positions. Battery voltage
8 P CAN-L – –
9 GY Starter relay Selector lever in “N” and “P
” positions. Battery voltage
Selector lever in other positions. 0 V
10 B Ground – –
Diagnostic test mode Function
Work support This mode enables a technician to adjust some devices faster and more accurately by following the in-
dications on CONSULT-III.
Self-diagnostic results Self-diagnostic results can be read and erased quickly.
Data monitor Input/Output data in the ECU can be read.
CAN diagnostic support mon-
itor The results of transmit/receive diagnosis of CAN communication can be read.
Function test Performed by CONSULT-III 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.
ECU part number TCM part number can be read.
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
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INFINITI FX35 2008 Service Manual
TROUBLE DIAGNOSISAT-85
< SERVICE INFORMATION >
DE
F
G H
I
J
K L
M A
B
AT
N
O P
3. Display of solenoid valves on CONSULT-III changes at t he start of shifting, while gear position is displayed
upon co

TROUBLE DIAGNOSISAT-85
< SERVICE INFORMATION >
DE
F
G H
I
J
K L
M A
B
AT
N
O P
3. Display of solenoid valves on CONSULT-III changes at t he start of shifting, while gear position is displayed
upon completion of shifting (which is computed by TCM).
Item name Condition Display value (Approx.)
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
ATF TEMP 1 Ignition switch ON Measured ATF temperature is dis-
played.
TCC SOLENOID Lock-up is active 0.4 − 0.6 A
SLCT LVR POSI Selector lever in “N
” and “P” positions. N/P
Selector lever in “R” position. R
Selector lever in “D” position. D
VHCL/S SE-A/T During driving Approximately matches the speedom-
eter reading.
VEHICLE SPEED During driving Approximately matches the speedom-
eter reading.
ENGINE SPEED Engine running Closely matches the tachometer read-
ing.
LINE PRES SOL During driving 0.2 − 0.6 A
TURBINE REV During driving (lock-up ON) Approximately matches the engine
speed.
VHCL/S SE-MTR During driving Approximately matches the speedom-
eter reading.
ATF PRES SW 2 Low coast brake engaged. Refer to
AT- 1 8
.ON
Low coast brake disengaged. Refer to AT- 1 8
. OFF
I/C SOLENOID Input clutch disengaged. Refer to
AT- 1 8
.0.6 − 0.8 A
Input clutch engaged. Refer to AT- 1 8
.0 − 0.05 A
FR/B SOLENOID Front brake engaged. Refer to
AT- 1 8
.0.6 − 0.8 A
Front brake disengaged. Refer to AT- 1 8
. 0 − 0.05 A
D/C SOLENOID Direct clutch disengaged. Refer to
AT- 1 8
.0.6 − 0.8 A
Direct clutch engaged. Refer to AT- 1 8
.0 − 0.05 A
HLR/C SOL High and low reverse clutch disengaged. Refer to
AT- 1 8
.0.6 − 0.8 A
High and low reverse clutch engaged. Refer to AT- 1 8
.0 − 0.05 A
ON OFF SOL Low coast brake engaged. Refer to
AT- 1 8
.ON
Low coast brake disengaged. Refer to AT- 1 8
.OFF
MANU MODE SW Manual shift gate position (neutral) ON
Other than the above OFF
NON M-MODE SW Manual shift gate position OFF
Other than the above ON
UP SW LEVER Selector lever: + side ON
Other than the above OFF
DOWN SW LEVER Selector lever: - side ON
Other than the above OFF
STARTER RELAY Selector lever in “N
” and “P” positions. ON
Selector lever in other positions. OFF
ACCELE POSI Released accelerator pedal. 0.0/8
Fully depressed accelerator pedal. 8.0/8
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
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Page 159 of 3924

INFINITI FX35 2008 Service Manual
AT-86
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS
SELF-DIAGNOSTIC RESULT MODE
After performing “SELF-DIAGNOSTIC RESULT MODE”, place check marks for results on the AT-42, "How to
Perform Trouble Dia

AT-86
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS
SELF-DIAGNOSTIC RESULT MODE
After performing “SELF-DIAGNOSTIC RESULT MODE”, place check marks for results on the AT-42, "How to
Perform Trouble Diagnosis for Quick and Accurate Repair". Reference pages are provided following the items.
Display Items List
X: Applicable, —: Not applicable
CLSD THL POSReleased 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
GEAR During driving. 1,2,3,4,5, Item name Condition Display value (Approx.)
Items (CONSULT-
III screen terms) Malfunction is detected when... TCM self-di-
agnosis OBD-II
(DTC)
Reference page
“TRANS-
MISSION”
with CON- SULT-III MIL indica-
tor lamp(*1),
“ENGINE”
with CON-
SULT-III or GST
CAN COMM CIR-
CUIT When TCM is not transmitting or receiving CAN communication sig-
nal for 2 seconds or more.
U1000 U1000
AT- 9 4
STARTER RELAY/
CIRCIf 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 mal-
function.)
P0615 —
AT- 9 7
TCM TCM is malfunctioning. P0700 P0700 AT- 1 0 1
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- 1 0 2
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 P0717
AT- 1 0 6
VEH SPD SEN/CIR
AT Signal from vehicle speed sensor A/T (Revolution sensor) not in-
put 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- 1 0 8
ENGINE SPEED
SIGTCM does not receive the CAN communication signal from the
ECM.
P0725 P0725
AT- 11 2
A/T 1ST GR
FNCTNA/T cannot shift to 1st gear. P0731 P0731
AT- 11 4
A/T 2ND GR
FNCTNA/T cannot shift to 2nd gear. P0732 P0732
AT- 11 6
A/T 3RD GR
FNCTNA/T cannot shift to 3rd gear. P0733 P0733
AT- 11 8
A/T 4TH GR
FNCTNA/T cannot shift to 4th gear. P0734 P0734
AT- 1 2 0
A/T 5TH GR
FNCTNA/T cannot shift to 5th gear. P0735 P0735
AT- 1 2 2
TCC SOLENOID/
CIRCNormal voltage not applied to solenoid due to cut line, short, or the
like.
P0740 P0740
AT- 1 2 4
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
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INFINITI FX35 2008 Service Manual
TROUBLE DIAGNOSISAT-87
< SERVICE INFORMATION >
DE
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G H
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M A
B
AT
N
O P
*1: Refer to EC-71, "Malfunction Indicator Lamp (MIL)" (for VQ35DE engine) or EC-649, "Malfunction Indicator Lamp (MIL

TROUBLE DIAGNOSISAT-87
< SERVICE INFORMATION >
DE
F
G H
I
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M A
B
AT
N
O P
*1: Refer to EC-71, "Malfunction Indicator Lamp (MIL)" (for VQ35DE engine) or EC-649, "Malfunction Indicator Lamp (MIL)" (for VK45DE
engine.) A/T TCC S/V
FNCTN
A/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 6
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 8
TP SEN/CIRC A/TTCM does not receive the proper accelerator pedal position signals
(input by CAN communication) from ECM. P1705 P1705
AT- 1 3 0
ATF TEMP SEN/
CIRC During running, the A/T fluid temperature sensor signal voltage is
excessively high or low.
P1710 P0710
AT- 1 3 2
VEH SPD SE/CIR-
MTR Signal (CAN communication) from vehicle speed sensor MTR not
input due to cut line or the like.
Unexpected signal input during running. P1721 —
AT- 1 3 7
A/T INTERLOCKExcept during shift change, the gear position and ATF pressure
switch states are monitored and comparative judgement made.
P1730 P1730
AT- 1 3 9
A/T 1ST E/BRAK-
INGEach ATF pressure switch and solenoid current is monitored 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 1
I/C SOLENOID/
CIRC Normal voltage not applied to solenoid due to functional malfunc-
tion, cut line, short, or the like.
TCM detects as irregular by comparing target value with monitor value. P1752 P1752
AT- 1 4 3
FR/B SOLENOID/
CIRC Normal voltage not applied to solenoid due to functional malfunc-
tion, cut line, short, or the like.
TCM detects as irregular by comparing target value with monitor value. P1757 P1757
AT- 1 4 5
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 P1762
AT- 1 4 7
HLR/C SOL/CIRC Normal voltage not applied to solenoid due to functional malfunc-
tion, cut line, short, or the like.
TCM detects as irregular by comparing target value with monitor value. P1767 P1767
AT- 1 4 9
LC/B SOLENOID/
CIRCNormal voltage not applied to solenoid due to functional malfunction,
cut line, short, or the like.
P1772 P1772
AT- 1 5 1
LC/B SOLENOID
FNCT TCM detects an improper voltage drop when it tries to operate the
solenoid valve.
Condition of ATF pressure switch 2 is different from monitor value, and relation between gear position and actual gear ratio is irregu-
lar. P1774
P1774(*2)AT- 1 5 3
MANU MODE SW/
CIRC When an impossible pattern of switch signals is detected, a malfunc-
tion is detected.
P1815 —
AT- 1 5 5
NO DTC IS DE-
TECTED FUR-
THER TESTING
MAY BE RE-
QUIREDNo NG item has been detected. X X —
Items (CONSULT-
III screen terms) Malfunction is detected when... TCM self-di-
agnosis OBD-II
(DTC)
Reference page
“TRANS-
MISSION”
with CON- SULT-III MIL indica-
tor lamp
(*1),
“ENGINE”
with CON-
SULT-III or GST
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

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