wiring diagram INFINITI FX35 2004 Owner's Manual

AT-118
DTC P0720 VEHICLE SPEED SENSOR A/T (REVOLUTION SENSOR)
Revision: 2004 November 2004 FX35/FX45
Wiring Diagram — AT — VSSA/TACS007B9
TCWM0249E

DTC P0720 VEHICLE SPEED SENSOR A/T (REVOLUTION SENSOR)
AT-119
D
E
F
G
H
I
J
K
L
MA
B
AT
Revision: 2004 November 2004 FX35/FX45
Diagnostic ProcedureACS007BA
1. CHECK INPUT SIGNALS
With CONSULT-II
1. Turn ignition switch “ON”. (Do not start engine.)
2. Select “ECU INPUT SIGNALS” in “DATA MONITOR” mode for
“A/T” with CONSULT-II.
3. Start the engine.
4. Read out the value of “VHCL/S SE·A/T” while driving.
Check the value changes according to driving speed.
OK or NG
OK >> GO TO 5.
NG >> GO TO 2.
2. CHECK TCM
Perform TCM input/output signals inspection. Refer to AT- 9 0 , "
TCM Input/Output Signal Reference Values" .
OK or NG
OK >> GO TO 3.
NG >> GO TO 4.
3. 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- 11 8 , "
Wiring Diagram — AT — VSSA/T" .
4. If OK, check harness for short to ground and short to power.
OK or NG
OK >> GO TO 5.
NG >> Replace open circuit or short to ground and short to power in harness or connectors.
4. 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 6.
NG >> Repair or replace damaged parts.
Item name Condition Display value (km/h)
VHCL/S SE·A/T During drivingApproximately matches the
speedometer reading.
SCIA2148E

AT-130
DTC P1701 TRANSMISSION CONTROL MODULE (POWER SUPPLY)
Revision: 2004 November 2004 FX35/FX45
Wiring Diagram — AT — POWERACS007C4
TCWM0250E

DTC P1701 TRANSMISSION CONTROL MODULE (POWER SUPPLY)
AT-131
D
E
F
G
H
I
J
K
L
MA
B
AT
Revision: 2004 November 2004 FX35/FX45
TCM terminals and data are reference value. Measured between each terminal and ground.
Diagnostic ProcedureACS007C5
1. CHECK TCM POWER SOURCE STEP 1
1. Turn ignition switch “OFF”.
2. Disconnect A/T assembly harness connector.
3. Check voltage between A/T assembly harness connector and
ground. Refer to AT- 1 3 0 , "
Wiring Diagram — AT — POWER" .
OK or NG
OK >> GO TO 2.
NG >> GO TO 3.
2. CHECK TCM POWER SOURCE STEP 2
1. Disconnect A/T assembly harness connector.
2. Turn ignition switch “ON”. (Do not start engine.)
3. Check voltage between A/T assembly harness connector and
ground. Refer to AT- 1 3 0 , "
Wiring Diagram — AT — POWER" .
OK or NG
OK >> GO TO 4.
NG >> GO TO 3.
TerminalWire
colorItem Condition Data (Approx.)
1LGPower supply
(Memory back-up)Always Battery voltage
2LGPower supply
(Memory back-up)Always Battery voltage
5 B Ground Always 0V
6 Y Power supply– Battery voltage
–0V
10 B Ground Always 0V
Item ConnectorTerminal
(Wire color)Voltage
TCM F441 (LG) - Ground
Battery voltage
2 (LG) - Ground
6 (Y) - Ground 0V
SCIA2104E
Item ConnectorTerminal
(Wire color)Voltag e
TCM F441 (LG) - Ground
Battery voltage 2 (LG) - Ground
6 (Y) - Ground
SCIA2105E

AT-132
DTC P1701 TRANSMISSION CONTROL MODULE (POWER SUPPLY)
Revision: 2004 November 2004 FX35/FX45
3. 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 4.
NG >> Repair or replace damaged parts.
4. CHECK TCM GROUND CIRCUIT
1. Turn ignition switch “OFF”.
2. Disconnect A/T assembly harness connector.
3. Check continuity between A/T assembly harness connector ter-
minal 5 (B), 10 (B) and ground. Refer to AT- 1 3 0 , "
Wiring Dia-
gram — AT — POWER" .
If OK, check harness for short to ground and short to power.
OK or NG
OK >> GO TO 5.
NG >> Repair open circuit or short to ground or short to power
in harness or connectors.
5. CHECK DTC
Perform “DTC Confirmation Procedure”.

Refer to AT- 1 2 9 , "DTC Confirmation Procedure" .
OK or NG
OK >>INSPECTION END
NG >> GO TO 6.
6. 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 3 0 , "
Wiring Diagram — AT — POWER" .
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.Continuity should exist.
SCIA2106E

AT-140
DTC P1710 A/T FLUID TEMPERATURE SENSOR CIRCUIT
Revision: 2004 November 2004 FX35/FX45
Wiring Diagram — AT — FTSACS007CW
TCWM0251E

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

DTC P1815 MANUAL MODE SWITCH
AT-173
D
E
F
G
H
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K
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MA
B
AT
Revision: 2004 November 2004 FX35/FX45
Wiring Diagram — AT — MMSWACS007FG
TCWM0252E

BRAKE SIGNAL CIRCUIT
AT-187
D
E
F
G
H
I
J
K
L
MA
B
AT
Revision: 2004 November 2004 FX35/FX45
BRAKE SIGNAL CIRCUITPFP:25320
CONSULT-II Reference ValueACS007GA
Diagnostic ProcedureACS007GB
1. CHECK CAN COMMUNICATION LINE
Perform the self-diagnosis. Refer to AT- 9 4 , "
SELF-DIAGNOSTIC RESULT MODE" , AT- 1 0 3 , "TCM SELF-
DIAGNOSTIC 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 STOP LAMP SWITCH CIRCUIT
With CONSULT-II
1. Turn ignition switch “ON”. (Do not start engine.)
2. Select “ECU INPUT SIGNALS” in “DATA MONITOR” mode for
“A/T” with CONSULT-II.
3. Read out ON/OFF switching action of the “BRAKE SW”.
OK or NG
OK >>INSPECTION END
NG >> GO TO 3.
3. CHECK STOP LAMP SWITCH
Check continuity between stop lamp switch harness connector E210
terminals 1 and 2. Refer to AT- 1 8 8 , "
Wiring Diagram — AT — NON-
DTC" .
Check stop lamp switch after adjusting brake pedal — refer to
BR-6, "
Inspection and Adjustment" .
OK or NG
OK >> Check the following items. If NG, repair or replace dam-
aged parts.

Harness for short or open between battery and stop lamp switch.

Harness for short or open between stop lamp switch and unified meter and A/C amp.
NG >> Repair or replace the stop lamp switch.
Item name Condition Display value
BRAKE SWDepressed brake pedal. ON
Released brake pedal. OFF
Item name Condition Display value
BRAKE SWDepressed brake pedal. ON
Released brake pedal. OFF
PCIA0070E
Condition Continuity
When brake pedal is depressed Yes
When brake pedal is released No
SCIA2144E

AT-188
TROUBLE DIAGNOSIS FOR SYMPTOMS
Revision: 2004 November 2004 FX35/FX45
TROUBLE DIAGNOSIS FOR SYMPTOMSPFP:00007
Wiring Diagram — AT — NONDTCACS007GC
TCWM0254E