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DTC P0181 FTT SENSOREC-295
< SERVICE INFORMATION > [VQ35DE]
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8. If 1st trip DTC is detected, go to
EC-296, "Diagnosis Procedure".
WITH GST
Follow the procedure “WITH CONSULT-III” above.
Wiring DiagramINFOID:0000000001326112
TBWM1386E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
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![INFINITI FX35 2008 Service Manual
DTC P0181 FTT SENSOREC-297
< SERVICE INFORMATION > [VQ35DE]
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5.CHECK FUEL TANK TEMPERATURE SENSOR GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disc INFINITI FX35 2008 Service Manual
DTC P0181 FTT SENSOREC-297
< SERVICE INFORMATION > [VQ35DE]
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5.CHECK FUEL TANK TEMPERATURE SENSOR GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disc](/manual-img/42/57017/w960_57017-1536.png)
DTC P0181 FTT SENSOREC-297
< SERVICE INFORMATION > [VQ35DE]
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5.CHECK FUEL TANK TEMPERATURE SENSOR GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect “unified meter and A/C amp.” harness connector.
3. Check harness continuity between “fuel level sensor unit and fuel pump” terminal 5 and “unified meter and
A/C amp.” terminal 36. Refer to Wiring Diagram.
4. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 7.
NG >> GO TO 6.
6.DETECT MALFUNCTIONING PART
Check the following.
Harness connectors B1, M11
Harness for open or short between “fuel level sensor unit and fuel pump” and “unified meter and A/C amp.”
>> Repair open circuit or short to ground or short to power in harness or connector.
7.CHECK FUEL TANK TEMPERATURE SENSOR
Refer to EC-297, "
Component Inspection".
OK or NG
OK >> GO TO 8.
NG >> Replace fuel level sensor unit.
8.CHECK INTERMITTENT INCIDENT
Refer to EC-139
.
>> INSPECTION END
Component InspectionINFOID:0000000001326114
FUEL TANK TEMPERATURE SENSOR
1. Remove fuel level sensor unit.
2. Check resistance between “fuel level sensor unit and fuel pump”
terminals 4 and 5 by heating with hot water as shown in the fig-
ure.
If NG, replace fuel level sensor unit.
Removal and InstallationINFOID:0000000001326115
FUEL TANK TEMPERATURE SENSOR
Refer to FL-4.
Continuity should exist.
Temperature
°C ( °F) Resistance k Ω
20 (68) 2.3 - 2.7
50 (122) 0.79 - 0.90
PBIB0931E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C
Page 1539 of 3924
DTC P0182, P0183 FTT SENSOREC-299
< SERVICE INFORMATION > [VQ35DE]
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Wiring DiagramINFOID:0000000001326119
Diagnosis ProcedureINFOID:0000000001326120
1.CHECK GROUND CONNECTIONS
1. Turn ignition switch OFF.
TBWM1386E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
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Page 1541 of 3924
![INFINITI FX35 2008 Service Manual
DTC P0182, P0183 FTT SENSOREC-301
< SERVICE INFORMATION > [VQ35DE]
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3. Check harness continuity between “fuel level sensor
unit and fuel pump” terminal 5 and “un INFINITI FX35 2008 Service Manual
DTC P0182, P0183 FTT SENSOREC-301
< SERVICE INFORMATION > [VQ35DE]
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3. Check harness continuity between “fuel level sensor
unit and fuel pump” terminal 5 and “un](/manual-img/42/57017/w960_57017-1540.png)
DTC P0182, P0183 FTT SENSOREC-301
< SERVICE INFORMATION > [VQ35DE]
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3. Check harness continuity between “fuel level sensor
unit and fuel pump” terminal 5 and “unified meter and
A/C amp.” terminal 36. Refer to Wiring Diagram.
4. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 7.
NG >> GO TO 6.
6.DETECT MALFUNCTIONING PART
Check the following.
Harness connectors B1, M11
Harness for open or short between “fuel level sensor unit and fuel pump” and “unified meter and A/C amp.”
>> Repair open circuit or short to ground or short to power in harness or connector.
7.CHECK FUEL TANK TEMPERATURE SENSOR
Refer to EC-301, "
Component Inspection".
OK or NG
OK >> GO TO 8.
NG >> Replace fuel level sensor unit.
8.CHECK INTERMITTENT INCIDENT
Refer to EC-139
.
>> INSPECTION END
Component InspectionINFOID:0000000001326121
FUEL TANK TEMPERATURE SENSOR
1. Remove fuel level sensor unit.
2. Check resistance between “fuel level sensor unit and fuel pump”
terminals 4 and 5 by heating with hot water as shown in the fig-
ure.
If NG, replace fuel level sensor unit.
Removal and InstallationINFOID:0000000001326122
FUEL TANK TEMPERATURE SENSOR
Refer to FL-4.
Continuity should exist.
Temperature
°C ( °F) Resistance k Ω
20 (68) 2.3 - 2.7
50 (122) 0.79 - 0.90
PBIB0931E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C
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DTC P0222, P0223 TP SENSOREC-303
< SERVICE INFORMATION > [VQ35DE]
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Wiring DiagramINFOID:0000000001326127
Specification data are reference values
and are measured between each terminal and ground.
CAUTION:
Do not use ECM ground terminals wh en measuring input/output voltage. Doing so may result in dam-
age to the ECM's transistor. Use a ground ot her than ECM terminals, such as the ground.
TBWM0394E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
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![INFINITI FX35 2008 Service Manual
DTC P0222, P0223 TP SENSOREC-305
< SERVICE INFORMATION > [VQ35DE]
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1. Disconnect electric throttle c
ontrol actuator harness connector.
2. Turn ignition switch ON.
3. C INFINITI FX35 2008 Service Manual
DTC P0222, P0223 TP SENSOREC-305
< SERVICE INFORMATION > [VQ35DE]
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1. Disconnect electric throttle c
ontrol actuator harness connector.
2. Turn ignition switch ON.
3. C](/manual-img/42/57017/w960_57017-1544.png)
DTC P0222, P0223 TP SENSOREC-305
< SERVICE INFORMATION > [VQ35DE]
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1. Disconnect electric throttle c
ontrol actuator harness connector.
2. Turn ignition switch ON.
3. Check voltage between electric throttle control actuator terminal 1 and ground with CONSULT-III or tester.
OK or NG
OK >> GO TO 7.
NG >> GO TO 3.
3.CHECK THROTTLE POSI TION SENSOR 1 POWER SUPPLY CIRCUIT-II
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check harness continuity between electric thrott le control actuator terminal 1 and ECM terminal 47.
Refer to Wiring Diagram.
OK or NG
OK >> GO TO 4.
NG >> Repair open circuit.
4.CHECK THROTTLE POSI TION SENSOR 1 POWER SUPPLY CIRCUIT-III
Check the following.
Harness for short to power and short to ground, between the following terminals.
OK or NG
OK >> GO TO 5.
NG >> Repair short to ground or short to power in harness or connectors.
5.CHECK APP SENSOR
Refer to EC-517, "
Component Inspection".
OK or NG
OK >> GO TO 11.
NG >> GO TO 6.
6.REPLACE ACCELERATOR PEDAL ASSEMBLY
1. Replace accelerator pedal assembly.
2. Perform EC-85, "
Accelerator Pedal Released Position Learning".
3. Perform EC-85, "
Throttle Valve Closed Position Learning".
4. Perform EC-85, "
Idle Air Volume Learning".
PBIB1557E
Voltage: Approximately 5V
PBIB0082E
Continuity should exist.
ECM terminal Sensor terminal Reference Wiring Diagram
47 Electric throttle control actuator terminal 1 EC-303
91 APP sensor terminal 4EC-513
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![INFINITI FX35 2008 Service Manual
EC-306
< SERVICE INFORMATION >[VQ35DE]
DTC P0222, P0223 TP SENSOR
>>
INSPECTION END
7.CHECK THROTTLE POSITION SENSOR 1 GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect EC INFINITI FX35 2008 Service Manual
EC-306
< SERVICE INFORMATION >[VQ35DE]
DTC P0222, P0223 TP SENSOR
>>
INSPECTION END
7.CHECK THROTTLE POSITION SENSOR 1 GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect EC](/manual-img/42/57017/w960_57017-1545.png)
EC-306
< SERVICE INFORMATION >[VQ35DE]
DTC P0222, P0223 TP SENSOR
>>
INSPECTION END
7.CHECK THROTTLE POSITION SENSOR 1 GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check harness continuity between electric thrott le control actuator terminal 5 and ECM terminal 66.
Refer to Wiring Diagram.
4. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 8.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.
8.CHECK THROTTLE POSITION SENSOR 1 INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Check harness continuity between ECM terminal 50 and electric throttle control actuator terminal 4.
Refer to Wiring Diagram.
2. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 9.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.
9.CHECK THROTTLE POSITION SENSOR
Refer to EC-306, "
Component Inspection".
OK or NG
OK >> GO TO 11.
NG >> GO TO 10.
10.REPLACE ELECTRIC THROTTLE CONTROL ACTUATOR
1. Replace the electric throttle control actuator.
2. Perform EC-85, "
Throttle Valve Closed Position Learning".
3. Perform EC-85, "
Idle Air Volume Learning".
>> INSPECTION END
11 .CHECK INTERMITTENT INCIDENT
Refer to EC-139
.
>> INSPECTION END
Component InspectionINFOID:0000000001326129
THROTTLE POSITION SENSOR
1. Reconnect all harness connectors disconnected.
2. Perform EC-85, "
Throttle Valve Closed Position Learning".
3. Turn ignition switch ON.
4. Set selector lever to D position. Continuity should exist.
Continuity should exist.
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
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![INFINITI FX35 2008 Service Manual
EC-310
< SERVICE INFORMATION >[VQ35DE]
DTC P0300, P0301,
P0302, P0303, P0304, P0305, P0306 MULTIPLE CYLINDER
MISFIRE, NO. 1 - 6 CYLINDER MISFIRE
Without CONSULT-III
1. Stop engine.
2. Disconnect INFINITI FX35 2008 Service Manual
EC-310
< SERVICE INFORMATION >[VQ35DE]
DTC P0300, P0301,
P0302, P0303, P0304, P0305, P0306 MULTIPLE CYLINDER
MISFIRE, NO. 1 - 6 CYLINDER MISFIRE
Without CONSULT-III
1. Stop engine.
2. Disconnect](/manual-img/42/57017/w960_57017-1549.png)
EC-310
< SERVICE INFORMATION >[VQ35DE]
DTC P0300, P0301,
P0302, P0303, P0304, P0305, P0306 MULTIPLE CYLINDER
MISFIRE, NO. 1 - 6 CYLINDER MISFIRE
Without CONSULT-III
1. Stop engine.
2. Disconnect harness connectors F50, F251
3. Turn ignition switch ON.
4. Check voltage between harness connector F50 terminal 5 and ground.
5. Turn ignition switch OFF.
6. Disconnect ECM harness connector.
7. Check harness continuity between harness connector F50 and ECM as follows.
Refer to Wiring Diagram.
8. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 5.
NG >> Perform trouble diagnosis for FUEL INJECTOR, refer to EC-552
.
5.CHECK FUNCTION OF FUEL INJECTOR-II
Provide battery voltage between harness connector F251 as follows
and then interrupt it. Listen to each fuel injector operating sound.
PBIB2624E
Voltage: Battery voltage
Cylinder Harness connector F50
terminal ECM terminal
1623
2442
3222
4341
5121
6740
Continuity should exist.
PBIB2323E
Cylinder Harness connector F251 terminal
(+) (–)
1
56
24
32
43
51
67
PBIB2497E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C