installation INFINITI FX35 2008 Service Manual

DTC P2101 ELECTRIC THROTTLE CONTROL FUNCTIONEC-499
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OK or NG
OK >> GO TO 13.
NG >> GO TO 14.
13.CHECK INTERMITTENT INCIDENT
Refer to EC-139
.
OK or NG
OK >> GO TO 14.
NG >> Repair or replace harness or connectors.
14.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
Component InspectionINFOID:0000000001326374
THROTTLE CONTROL MOTOR
1. Disconnect electric throttle c ontrol actuator harness connector.
2. Check resistance between terminals 3 and 6.
3. If NG, replace electric throttle control actuator and go to next step.
4. Perform EC-85, "
Throttle Valve Closed Position Learning".
5. Perform EC-85, "
Idle Air Volume Learning".
Removal and InstallationINFOID:0000000001326375
ELECTRIC THROTTLE CONTROL ACTUATOR
Refer to EM-19.
Resistance: Approximately 1 - 15
Ω [at 25 °C (77 °F)]
PBIB0095E
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DTC P2118 THROTTLE CONTROL MOTOREC-503
< SERVICE INFORMATION > [VQ35DE]
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1. Disconnect electric throttle c
ontrol actuator harness connector.
2. Disconnect ECM harness connector.
3. Check harness continuity between the following terminals. Refer to Wiring Diagram.
4. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace.
3.CHECK THROTTLE CONTROL MOTOR
Refer to EC-503, "
Component Inspection".
OK or NG
OK >> GO TO 4.
NG >> GO TO 5.
4.CHECK INTERMITTENT INCIDENT
Refer to EC-139
.
OK or NG
OK >> GO TO 5.
NG >> Repair or replace harness or connectors.
5.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
Component InspectionINFOID:0000000001326381
THROTTLE CONTROL MOTOR
1. Disconnect electric throttle c ontrol actuator harness connector.
2. Check resistance between terminals 3 and 6.
3. If NG, replace electric throttle control actuator and go to next step.
4. Perform EC-85, "
Throttle Valve Closed Position Learning".
5. Perform EC-85, "
Idle Air Volume Learning".
Removal and InstallationINFOID:0000000001326382
ELECTRIC THROTTLE CONTROL ACTUATOR
Refer to EM-19.
Electric throttle control
actuator terminal ECM terminal Continuity
3 5 Should not exist
4 Should exist
6 5 Should exist
4 Should not exist
PBIB1557E
Resistance: Approximately 1 - 15
Ω [at 25 °C (77 °F)]
PBIB0095E
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DTC P2122, P2123 APP SENSOREC-511
< SERVICE INFORMATION > [VQ35DE]
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OK >> GO TO 8.
NG >> GO TO 7.
7.DETECT MALFUNCTIONING PART
Check the following.
 Harness connectors E211, M41
 Harness for open or short between ECM and APP sensor
>> Repair open circuit or short to ground or short to power in harness or connectors.
8.CHECK ACCELERATOR PEDAL POSITION SENSOR
Refer to EC-511, "
Component Inspection".
OK or NG
OK >> GO TO 10.
NG >> GO TO 9.
9.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".
>> INSPECTION END
10.CHECK INTERMITTENT INCIDENT
Refer to EC-139
.
>> INSPECTION END
Component InspectionINFOID:0000000001326393
ACCELERATOR PEDAL POSITION SENSOR
1. Reconnect all harness connectors disconnected.
2. Turn ignition switch ON.
3. Check voltage between ECM terminals 106 (APP sensor 1 sig-
nal), 98 (APP sensor 2 signal) and ground under the following
conditions.
4. If NG, replace accelerator pedal assembly and go to next step.
5. Perform EC-85, "
Accelerator Pedal Released Position Learning".
6. Perform EC-85, "
Throttle Valve Closed Position Learning".
7. Perform EC-85, "
Idle Air Volume Learning".
Removal and InstallationINFOID:0000000001326394
ACCELERATOR PEDAL
Refer to ACC-3.
Terminal Accelerator pedal Voltage
106
(Accelerator pedal position
sensor 1) Fully released 0.5 - 1.0V
Fully depressed 3.9 - 4.7V
98
(Accelerator pedal position
sensor 2) Fully released 0.15 - 0.60V
Fully depressed 1.95 - 2.40V
MBIB0023E
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DTC P2127, P2128 APP SENSOREC-517
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4. Perform
EC-85, "Idle Air Volume Learning".
>> INSPECTION END
14.CHECK INTERMITTENT INCIDENT
Refer to EC-139
.
>> INSPECTION END
Component InspectionINFOID:0000000001326401
ACCELERATOR PEDAL POSITION SENSOR
1. Reconnect all harness connectors disconnected.
2. Turn ignition switch ON.
3. Check voltage between ECM terminals 106 (APP sensor 1 sig-
nal), 98 (APP sensor 2 signal) and ground under the following
conditions.
4. If NG, replace accelerator pedal assembly and go to next step.
5. Perform EC-85, "
Accelerator Pedal Released Position Learning".
6. Perform EC-85, "
Throttle Valve Closed Position Learning".
7. Perform EC-85, "
Idle Air Volume Learning".
Removal and InstallationINFOID:0000000001326402
ACCELERATOR PEDAL
Refer to ACC-3.
Terminal Accelerator pedal Voltage
106
(Accelerator pedal position
sensor 1) Fully released 0.5 - 1.0V
Fully depressed 3.9 - 4.7V
98
(Accelerator pedal position
sensor 2) Fully released 0.15 - 0.60V
Fully depressed 1.95 - 2.40V
MBIB0023E
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DTC P2135 TP SENSOREC-523
< SERVICE INFORMATION > [VQ35DE]
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5. Check voltage between ECM terminals 50 (TP sensor 1signal),
69 (TP sensor 2signal) and ground under the following condi-
tions.
6. If NG, replace electric throttle control actuator and go to the next
step.
7. Perform EC-85, "
Throttle Valve Closed Position Learning".
8. Perform EC-85, "
Idle Air Volume Learning".
Removal and InstallationINFOID:0000000001326410
ELECTRIC THROTTLE CONTROL ACTUATOR
Refer to EM-19.
Terminal Accelerator pedal Voltage
50
(Throttle position sensor 1) Fully released More than 0.36V
Fully depressed Less than 4.75V
69
(Throttle position sensor 2) Fully released Less than 4.75V
Fully depressed More than 0.36V
PBIB1608E
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DTC P2138 APP SENSOREC-531
< SERVICE INFORMATION > [VQ35DE]
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Removal and InstallationINFOID:0000000001326418
ACCELERATOR PEDAL
Refer to
ACC-3.
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
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DTC P2A00, P2A03 A/F SENSOR 1EC-541
< SERVICE INFORMATION > [VQ35DE]
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3. Disconnect mass air flow sensor harness connector.
4. Restart engine and let it idle for at least 5 seconds.
5. Stop engine and reconnect mass air flow sensor harness con-
nector.
6. Make sure DTC P0102 is displayed.
7. Erase the DTC memory. Refer to EC-55, "
Emission-Related
Diagnostic Information".
8. Make sure DTC P0000 is displayed.
>> GO TO 14.
14.CONFIRM A/F ADJUSTMENT DATA
1. Turn ignition switch OFF and then ON.
2. Select “A/F ADJ-B1” and “A/F ADJ-B2” in “DATA MONITOR” mode with CONSULT-III.
3. Make sure that “0.000” is displayed on CONSULT-III screen.
>>INSPECTION END
Removal and InstallationINFOID:0000000001326425
AIR FUEL RATIO (A/F) SENSOR 1
Refer to EM-26.
PBIB1565E
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EC-546
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ASCD BRAKE SWITCH
3. Check continuity between ASCD brake switch terminals 1 and 2
under the following conditions.
If NG, adjust ASCD brake switch installation, refer to BR-5
, and
perform step 3 again.
Condition Continuity
Brake pedal: Fully released Should exist.
Brake pedal: Slightly depressed Should not exist.
SEC023D
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FUEL INJECTOREC-557
< SERVICE INFORMATION > [VQ35DE]
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3. Check harness continuity between fuel injector
terminal 2 and ECM terminals 21, 22, 23, 40, 41, 42.
Refer to Wiring Diagram.
4. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 10.
NG >> GO TO 9.
9.DETECT MALFUNCTIONING PART
Check the following.
 Harness connectors F251, F50
 Harness for open or short between fuel injector and ECM
>> Repair open circuit or short to ground or short to power in harness or connectors.
10.CHECK FUEL INJECTOR
Refer to EC-557, "
Component Inspection".
OK or NG
OK >> GO TO 11.
NG >> Replace malfunctioning fuel injector.
11 .CHECK INTERMITTENT INCIDENT
Refer to EC-139
.
>> INSPECTION END
Component InspectionINFOID:0000000001326442
FUEL INJECTOR
1. Disconnect fuel injector harness connector.
2. Check resistance between terminals as shown in the figure.
Removal and InstallationINFOID:0000000001326443
FUEL INJECTOR
Refer to EM-45.
Continuity should exist.
Resistance: 11.1 - 14.5
Ω [at 10 - 60 °C (50 - 140 °F)]
PBIB1727E
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EC-562
< SERVICE INFORMATION >[VQ35DE]
FUEL PUMP
9.CHECK FUEL PUMP GROUND CIRCUIT FOR OPEN AND SHORT
1. Check harness continuity between “fuel level sensor unit and fuel pump” terminal 3 and ground.
Refer to Wiring Diagram.
2. Also check harness for short to power.
OK or NG
OK >> GO TO 10.
NG >> Repair open circuit or short to power in harness or connectors.
10.CHECK FUEL PUMP
Refer to EC-1159, "
Component Inspection".
OK or NG
OK >> GO TO 11.
NG >> Replace “fuel level sensor unit and fuel pump”.
11 .CHECK INTERMITTENT INCIDENT
Refer to EC-717
.
OK or NG
OK >> Replace IPDM E/R. Refer to PG-17
NG >> Repair or replace harness or connectors.
Component InspectionINFOID:0000000001326448
FUEL PUMP
1. Disconnect “fuel level sensor unit and fuel pump” harness connector.
2. Check resistance between “fuel level sensor unit and fuel pump” terminals 1 and 3.
Removal and InstallationINFOID:0000000001326449
FUEL PUMP
Refer to FL-4.
Continuity should exist.
Resistance: 0.2 - 5.0
Ω [at 25 °C (77 °F)]
SEC918C
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