2004 INFINITI FX35 pg power

AT-134
DTC P1703 TRANSMISSION CONTROL MODULE (ROM)
Revision: 2004 November 2004 FX35/FX45
DTC P1703 TRANSMISSION CONTROL MODULE (ROM)PFP:31036
DescriptionACS007CB
The TCM consists of a microcomputer and connectors for ground, power supply and for signal inputs and out-
puts. The TCM controls the A/T.
On Board Diagnosis LogicACS007CC

This is not an OBD-II self-diagnostic item.

Diagnostic trouble code “TCM·ROM” with CONSULT-II is detected when TCM memory ROM is malfunc-
tioning.
Possible CauseACS007CD
TCM.
DTC Confirmation ProcedureACS007CE
NOTE:
If “DTC Confirmation Procedure” has been previously performed, always turn ignition switch “OFF”
and wait at least 10 seconds before performing the next test.
After the repair, perform the following procedure to confirm the malfunction is eliminated.
WITH CONSULT-II
1. Turn ignition switch “ON”. (Do not start engine.)
2. Select “DATA MONITOR” mode for A/T with CONSULT-II.
3. Start engine.
4. Run engine for at least 2 consecutive seconds at idle speed.
5. If DTC is detected, go to AT- 1 3 4 , "
Diagnostic Procedure" .
Diagnostic ProcedureACS007CF
1. CHECK DTC
With CONSULT-II
1. Turn ignition switch “ON”. (Do not start engine.)
2. Select “SELF-DIAG RESULTS” mode for “A/T” with CONSULT-
II.
3. Touch “ERASE”.
4. Turn ignition switch “OFF” and wait at least 10 seconds.
5. Perform “DTC confirmation procedure”, AT- 1 3 4 , "
DTC Confirma-
tion Procedure" .
Is the
“TCM·ROM” displayed again?
YES >> Replace the control valve with TCM. Refer to AT- 2 4 2 ,
"Control Valve with TCM and A/T Fluid Temperature
Sensor 2" .
NO >>INSPECTION END
SAT014K
SCIA5304E

DTC P1704 TRANSMISSION CONTROL MODULE (EEPROM)
AT-135
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Revision: 2004 November 2004 FX35/FX45
DTC P1704 TRANSMISSION CONTROL MODULE (EEPROM)PFP:31036
DescriptionACS007CG
The TCM consists of a microcomputer and connectors for ground, power supply and for signal inputs and out-
puts. The TCM controls the A/T.
On Board Diagnosis LogicACS007CH

This is not an OBD-II self-diagnostic item.

Diagnostic trouble code “TCM·EEPROM” with CONSULT-II is detected when TCM memory EEPROM is
malfunctioning.
Possible CauseACS007CI
TCM.
DTC Confirmation ProcedureACS007CJ
NOTE:
If “DTC Confirmation Procedure” has been previously performed, always turn ignition switch “OFF”
and wait at least 10 seconds before performing the next test.
After the repair, perform the following procedure to confirm the malfunction is eliminated.
WITH CONSULT-II
1. Turn ignition switch “ON”. (Do not start engine.)
2. Select “DATA MONITOR” mode for “A/T” with CONSULT-II.
3. Start engine.
4. Run engine for at least 2 consecutive seconds at idle speed.
5. If DTC is detected, go to AT- 1 3 5 , "
Diagnostic Procedure" .
Diagnostic ProcedureACS007CK
1. CHECK DTC
With CONSULT-II
1. Turn ignition switch “ON”. (Do not start engine.)
2. Select “SELF DIAG RESULTS” mode for “A/T” with CONSULT-
II.
3. Touch “ERASE”.
4. Turn ignition switch “OFF” and wait at least 10 seconds.
5. Perform DTC confirmation procedure, AT- 1 3 5 , "
DTC Confirma-
tion Procedure" .
Is the
“TCM·EEPROM” displayed again?
YES >> Replace the control valve with TCM. Refer to AT- 2 4 2 ,
"Control Valve with TCM and A/T Fluid Temperature
Sensor 2" .
NO >>INSPECTION END
SAT014K
SCIA5304E

AT-138
DTC P1705 THROTTLE POSITION SENSOR
Revision: 2004 November 2004 FX35/FX45
5. CHECK SELF-DIAGNOSTIC RESULTS
Perform self-diagnosis. Refer to AT- 9 4 , "
SELF-DIAGNOSTIC RESULT MODE" .
Do the self-diagnostic results indicate
“TCM-POWER SUPPLY”?
YES >> Check the TCM power circuit. Refer to AT- 1 2 9 , "DTC P1701 TRANSMISSION CONTROL MOD-
ULE (POWER SUPPLY)" .
NO >> GO TO 6.
6. DETECT MALFUNCTIONING ITEM
Check the following items:

The A/T assembly harness connector terminals for damage or loose connection with harness connector.
OK or NG
OK >> Replace the control valve with TCM. Refer to AT- 2 4 2 , "Control Valve with TCM and A/T Fluid Tem-
perature Sensor 2" .
NG >> Repair or replace damaged parts.

AT-142
DTC P1710 A/T FLUID TEMPERATURE SENSOR CIRCUIT
Revision: 2004 November 2004 FX35/FX45
5. CHECK TERMINAL CORD ASSEMBLY
1. Remove control valve with TCM. Refer to AT- 2 4 2 , "
Control Valve with TCM and A/T Fluid Temperature
Sensor 2" .
2. Disconnect A/T assembly harness connector and control valve with TCM harness connector.
3. Check continuity between A/T assembly harness connector terminal and control valve with TCM harness
connector terminal. Refer to AT- 1 4 0 , "
Wiring Diagram — AT — FTS" .
4. If OK, check harness for short to ground and short to power.
OK or NG
OK >> Replace the control valve with TCM. Refer to AT- 2 4 2 , "Control Valve with TCM and A/T Fluid Tem-
perature Sensor 2" .
NG >> Replace open circuit or short to ground and short to power in harness or connectors.
6. DETECT MALFUNCTIONING ITEM
Check the following items:

Harness for short or open between battery and A/T assembly harness connector terminals 1, 2

Harness for short or open between ignition switch and A/T assembly harness connector terminal 6

10A fuse (No. 37, located in the fuse and fusible link block) and 10A fuse (No. 83, located in the IPDM E/
R).

Ignition switch, Refer to PG-3, "POWER SUPPLY ROUTING CIRCUIT" .
OK or NG
OK >> GO TO 7.
NG >> Repair or replace damaged parts.
7. CHECK DTC
Perform “DTC Confirmation Procedure”.

Refer to AT- 1 3 9 , "DTC Confirmation Procedure" .
OK or NG
OK >>INSPECTION END
NG >> GO TO 3.
Component InspectionACS007CY
A/T FLUID TEMPERATURE SENSOR 2
1. Remove A/T fluid temperature sensor 2. Refer to AT- 2 4 9 , "A/T FLUID TEMPERATURE SENSOR 2
REMOVAL AND INSTALLATION" .
2. Check resistance between terminal 1 and 2. Refer to AT- 1 4 0 ,
"Wiring Diagram — AT — FTS" .
Name Connector TerminalTemperature
°C (°F)Resistance
(Approx.)
A/T fluid temperature
sensor 2F507 1 - 20 (32) 10KΩ
20 (68) 4KΩ
80 (176) 0.5KΩ
SCIA5271E

AT-144
DTC P1716 TURBINE REVOLUTION SENSOR
Revision: 2004 November 2004 FX35/FX45
Diagnostic ProcedureACS007D4
1. CHECK INPUT SIGNALS
With CONSULT-II
1. Start engine.
2. Select “ECU INPUT SIGNALS” in “DATA MONITOR” mode for
“A/T” with CONSULT-II.
3. Vehicle start and read out the value of “TURBINE REV”.
OK or NG
OK >> GO TO 4.
NG >> GO TO 2.
2. CHECK SELF-DIAGNOSTIC RESULTS
Perform self-diagnosis. Refer to AT- 9 4 , "
SELF-DIAGNOSTIC RESULT MODE" .
Do the self-diagnostic results indicate
“TCM-POWER SUPPLY”?
YES >> Check the TCM power circuit. Refer to AT- 1 2 9 , "DTC P1701 TRANSMISSION CONTROL MOD-
ULE (POWER SUPPLY)" .
NO >> GO TO 3.
3. DETECT MALFUNCTIONING ITEM
Check the following items:

The A/T assembly harness connector terminals for damage or loose connection with harness connector.
OK or NG
OK >> Replace the control valve with TCM. Refer to AT- 2 4 2 , "Control Valve with TCM and A/T Fluid Tem-
perature Sensor 2" .
NG >> Repair or replace damaged parts.
4. CHECK DTC
Perform “DTC Confirmation Procedure”.

Refer to AT- 1 4 3 , "DTC Confirmation Procedure" .
OK or NG
OK >>INSPECTION END
NG >> GO TO 2.
Item name Condition Display value (rpm)
TURBINE REV During driving (lock-up ON)Approximately matches the
engine speed.
PCIA0041E

AT-146
DTC P1721 VEHICLE SPEED SENSOR MTR
Revision: 2004 November 2004 FX35/FX45
Diagnostic ProcedureACS007DA
1. CHECK CAN COMMUNICATION LINE
Perform the self-diagnosis. Refer AT- 9 4 , "
SELF-DIAGNOSTIC RESULT MODE" , AT- 1 0 3 , "TCM SELF-DIAG-
NOSTIC PROCEDURE (NO TOOLS)" .
Is a malfunction in the CAN communication indicated in the results?
YES >> Check CAN communication line. Refer to AT- 1 0 5 , "DTC U1000 CAN COMMUNICATION LINE" .
NO >> GO TO 2.
2. CHECK INPUT SIGNALS
With CONSULT-II
1. Start engine.
2. Select “ECU INPUT SIGNALS” in “DATA MONITOR” mode for
“A/T” with CONSULT-II.
3. Drive vehicle and read out the value of “VHCL/S SE·MTR”.
OK or NG
OK >> GO TO 4.
NG >> GO TO 3.
3. CHECK COMBINATION METERS
Check combination meters. Refer to DI-13, "
How to Proceed With Trouble Diagnosis" .
OK or NG
OK >> GO TO 4.
NG >> Repair or replace damaged parts.
4. CHECK DTC
Perform “DTC Confirmation Procedure”.

Refer to AT- 1 4 5 , "DTC Confirmation Procedure" .
OK or NG
OK >>INSPECTION END
NG >> GO TO 5.
5. CHECK SELF-DIAGNOSTIC RESULTS
Perform self-diagnosis. Refer to AT- 9 4 , "
SELF-DIAGNOSTIC RESULT MODE" .
Do the self-diagnostic results indicate
“TCM-POWER SUPPLY”?
YES >> Check the TCM power circuit. Refer to AT- 1 2 9 , "DTC P1701 TRANSMISSION CONTROL MOD-
ULE (POWER SUPPLY)" .
NO >> GO TO 6.
6. DETECT MALFUNCTIONING ITEM
Check the following items:

The A/T assembly harness connector terminals for damage or loose connection with harness connector.
OK or NG
OK >> Replace the control valve with TCM. Refer to AT- 2 4 2 , "Control Valve with TCM and A/T Fluid Tem-
perature Sensor 2" .
NG >> Repair or replace damaged parts.
Item name Condition Display value (km/h)
VHCL/S SE·MTR During drivingApproximately matches the
speedometer reading.
SCIA2148E

AT-148
DTC P1730 A/T INTERLOCK
Revision: 2004 November 2004 FX35/FX45
A/T INTERLOCK COUPLING PATTERN TABLE

: NG, X: OK
Diagnostic ProcedureACS007DG
1. SELF-DIAGNOSIS
With CONSULT-II
1. Drive vehicle.
2. Stop vehicle and turn ignition switch “OFF”.
3. Turn ignition switch “ON”. (Do not start engine.)
4. Select “SELF-DIAG RESULTS” mode for “A/T” with CONSULT-
II.
Without CONSULT-II
1. Drive vehicle.
2. Stop vehicle and turn ignition switch “OFF”.
3. Turn ignition switch “ON”. (Do not start engine.)
4. Perform self-diagnosis. Refer to AT- 1 0 3 , "
TCM SELF-DIAGNOSTIC PROCEDURE (NO TOOLS)" .
OK or NG
OK >> GO TO 2.
NG >> Check low coast brake solenoid valve circuit and function. Refer to AT- 1 6 8 , "
DTC P1772 LOW
COAST BRAKE SOLENOID VALVE" , AT- 1 7 0 , "DTC P1774 LOW COAST BRAKE SOLENOID
VALVE FUNCTION" .
2. CHECK DTC
Perform “DTC Confirmation Procedure”.

Refer to AT- 1 4 7 , "DTC Confirmation Procedure" .
OK or NG
OK >>INSPECTION END
NG >> GO TO 3.
3. CHECK SELF-DIAGNOSTIC RESULTS
Perform self-diagnosis. Refer to AT- 9 4 , "
SELF-DIAGNOSTIC RESULT MODE" .
Do the self-diagnostic results indicate
“TCM-POWER SUPPLY”?
YES >> Check the TCM power circuit. Refer to AT- 1 2 9 , "DTC P1701 TRANSMISSION CONTROL MOD-
ULE (POWER SUPPLY)" .
NO >> GO TO 4.
Gear positionATF pressure switch output
Fail-safe
functionClutch 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 interlock
coupling pat-
tern3rd – X X –
Held in
2nd gearOFF OFF ON OFF OFF OFF
4th – X X –
Held in
2nd gearOFF OFF ON OFF OFF OFF
5th X X – X
Held in
2nd gearOFF OFF ON OFF OFF OFF
SAT014K

DTC P1731 A/T 1ST ENGINE BRAKING
AT-151
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Revision: 2004 November 2004 FX35/FX45
Diagnostic ProcedureACS007DM
1. CHECK INPUT SIGNALS
With CONSULT-II
1. Start the engine.
2. Select “SELECTION FROM MENU” in “DATA MONITOR” mode
for “A/T” with CONSULT-II.
3. Drive vehicle in the “M” position (1st gear), and confirm the ON/
OFF actuation of the “ON OFF SOL” and “ATF PRES SW 2”.
OK or NG
OK >> GO TO 4.
NG >> GO TO 2.
2. CHECK SELF-DIAGNOSTIC RESULTS
Perform self-diagnosis. Refer to AT- 9 4 , "
SELF-DIAGNOSTIC RESULT MODE" .
Do the self-diagnostic results indicate
“TCM-POWER SUPPLY”?
YES >> Check the TCM power circuit. Refer to AT- 1 2 9 , "DTC P1701 TRANSMISSION CONTROL MOD-
ULE (POWER SUPPLY)" .
NO >> GO TO 3.
3. DETECT MALFUNCTIONING ITEM
Check the following items:

The A/T assembly harness connector terminals for damage or loose connection with harness connector.
OK or NG
OK >> Replace the control valve with TCM. Refer to AT- 2 4 2 , "Control Valve with TCM and A/T Fluid Tem-
perature Sensor 2" .
NG >> Repair or replace damaged parts.
4. CHECK DTC
Perform “DTC Confirmation Procedure”.

Refer to AT- 1 5 0 , "DTC Confirmation Procedure" .
OK or NG
OK >>INSPECTION END
NG >> GO TO 2.
Item name Condition Display value
ON OFF
SOLLow coast brake engaged. Refer to AT- 2 0
.ON
Low coast brake disengaged. Refer to AT- 2 0
.OFF
ATF PRES
SW 2Low coast brake engaged. Refer to AT- 2 0
.ON
Low coast brake disengaged. Refer to AT- 2 0
.OFF
SCIA4794E