diagram INFINITI FX35 2007 Service Manual

EC-564
[VQ35DE]
DTC P2101 ELECTRIC THROTTLE CONTROL FUNCTION
Revision: 2006 July 2007 FX35/FX45
Wiring DiagramNBS004IU
TBWM1396E

EC-566
[VQ35DE]
DTC P2101 ELECTRIC THROTTLE CONTROL FUNCTION
Revision: 2006 July 2007 FX35/FX45
2. CHECK THROTTLE CONTROL MOTOR RELAY INPUT SIGNAL CIRCUIT-I
Check voltage between ECM terminal 3 and ground under the fol-
lowing conditions with CONSULT-II or tester.
OK or NG
OK >> GO TO 10.
NG >> GO TO 3.
3. CHECK THROTTLE CONTROL MOTOR RELAY INPUT SIGNAL CIRCUIT-II
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Disconnect IPDM E/R harness connector E8.
4. Check continuity between ECM terminal 3 and IPDM E/R terminal 42. Refer to Wiring Diagram.
5. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 5.
NG >> GO TO 4.
4. DETECT MALFUNCTIONING PART
Check the following.

Harness connectors E64, F65

Harness for open or short between ECM and IPDM E/R
>> Repair open circuit or short to ground or short to power in harness or connectors.
5. CHECK THROTTLE CONTROL MOTOR RELAY POWER SUPPLY CIRCUIT-I
1. Reconnect all harness connectors disconnected.
2. Turn ignition switch OFF.
3. Check voltage between ECM terminal 104 and ground with CONSULT-II or tester.
OK or NG
OK >> GO TO 9.
NG >> GO TO 6.
Ignition switch Voltage
OFF Approximately 0V
ON Battery voltage
(11 - 14V)
MBIB0028E
Continuity should exist.
Voltage: Battery voltage
PBIB1171E

DTC P2101 ELECTRIC THROTTLE CONTROL FUNCTION EC-567
[VQ35DE]
C
D E
F
G H
I
J
K L
M A
EC
Revision: 2006 July 2007 FX35/FX45
6. CHECK THROTTLE CONTROL MOTOR RELAY POWER SUPPLY CIRCUIT-II
1. Disconnect ECM harness connector.
2. Disconnect IPDM E/R harness connector E9.
3. Check continuity between ECM terminal 104 and IPDM E/R terminal 47. Refer to Wiring Diagram.
4. Also check harness for short to ground and short to power.
OK or NG
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 IPDM E/R
>> Repair open circuit or short to ground or short to power in harness or connectors.
8. CHECK FUSE
1. Disconnect 15A fuse.
2. Check 15A fuse for blown.
OK or NG
OK >> GO TO 9.
NG >> Replace 15A fuse.
9. CHECK INTERMITTENT INCIDENT
Refer to EC-147, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
OK or NG
OK >> Replace IPDM E/R. Refer to PG-17, "IPDM E/R (INTELLIGENT POWER DISTRIBUTION MOD-
ULE ENGINE ROOM)" .
NG >> Repair or replace harness or connectors.
10. CHECK THROTTLE CONTROL MOTOR OUTPUT SIGNAL CIRCUIT FOR OPEN OR SHORT
1. Turn ignition switch OFF.
2. Disconnect electric throttle control actuator harness connector.
3. Disconnect ECM harness connector.
4. Check harness continuity between the following terminals. Refer to Wiring Diagram.
5. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 11.
NG >> Repair or replace. Continuity should exist.
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

EC-570
[VQ35DE]
DTC P2118 THROTTLE CONTROL MOTOR
Revision: 2006 July 2007 FX35/FX45
Wiring DiagramNBS004J7
TBWM1398E

EC-572
[VQ35DE]
DTC P2118 THROTTLE CONTROL MOTOR
Revision: 2006 July 2007 FX35/FX45
2. CHECK THROTTLE CONTROL MOTOR OUTPUT SIGNAL CIRCUIT FOR OPEN OR SHORT
1. Disconnect electric throttle control 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-572, "
Component Inspection" .
OK or NG
OK >> GO TO 4.
NG >> GO TO 5.
4. CHECK INTERMITTENT INCIDENT
Refer to EC-147, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
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-83, "
Throttle Valve Closed Position Learning" .
3. Perform EC-83, "
Idle Air Volume Learning" .
>> INSPECTION END
Component InspectionNBS004J9
THROTTLE CONTROL MOTOR
1. Disconnect electric throttle control 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-83, "
Throttle Valve Closed Position Learning" .
5. Perform EC-83, "
Idle Air Volume Learning" .
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

EC-578
[VQ35DE]
DTC P2122, P2123 APP SENSOR
Revision: 2006 July 2007 FX35/FX45
Wiring DiagramNBS003YH
TBWM1404E

EC-580
[VQ35DE]
DTC P2122, P2123 APP SENSOR
Revision: 2006 July 2007 FX35/FX45
2. CHECK ACCELERATOR PEDAL POSITION SENSOR 1 POWER SUPPLY CIRCUIT
1. Disconnect accelerator pedal position (APP) sensor harness connector.
2. Turn ignition switch ON.
3. Check voltage between APP sensor terminal 6 and ground with CONSULT-II or tester.
OK or NG
OK >> GO TO 4.
NG >> GO TO 3.
3. 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.
4. CHECK ACCELERATOR PEDAL POSITION SENSOR 1 GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check harness continuity between APP sensor terminal 3 and ECM terminal 82. Refer to Wiring Diagram.
4. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 6.
NG >> GO TO 5.
5. 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.
PBIB1580E
Voltage: Approximately 5V
PBIB0914E
Continuity should exist.

DTC P2122, P2123 APP SENSOR EC-581
[VQ35DE]
C
D E
F
G H
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J
K L
M A
EC
Revision: 2006 July 2007 FX35/FX45
6. CHECK ACCELERATOR PEDAL POSITON SENSOR INPUT SIGNAL CIRCUIT FOR OPEN AND
SHORT
1. Check harness continuity between ECM terminal 106 and APP sensor terminal 5. Refer to Wiring Diagram.
2. Also check harness for short to ground and short to power.
OK or NG
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-582, "
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-83, "
Accelerator Pedal Released Position Learning" .
3. Perform EC-83, "
Throttle Valve Closed Position Learning" .
4. Perform EC-83, "
Idle Air Volume Learning" .
>> INSPECTION END
10. CHECK INTERMITTENT INCIDENT
Refer to EC-147, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
>> INSPECTION END
Continuity should exist.

DTC P2127, P2128 APP SENSOR EC-585
[VQ35DE]
C
D E
F
G H
I
J
K L
M A
EC
Revision: 2006 July 2007 FX35/FX45
Wiring DiagramNBS003YP
TBWM1405E

DTC P2127, P2128 APP SENSOR EC-587
[VQ35DE]
C
D E
F
G H
I
J
K L
M A
EC
Revision: 2006 July 2007 FX35/FX45
2. CHECK ACCLERATOR PEDAL POSITION SENSOR 2 POWER SUPPLY CIRCUIT-I
1. Disconnect accelerator pedal position (APP) sensor harness connector.
2. Turn ignition switch ON.
3. Check voltage between APP sensor terminal 4 and ground with CONSULT-II or tester.
OK or NG
OK >> GO TO 8.
NG >> GO TO 3.
3. CHECK ACCELERATOR PEDAL POSITION SENSOR 2 POWER SUPPLY CIRCUIT-II
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check harness continuity between APP sensor terminal 4 and ECM terminal 91. Refer to wiring diagram.
OK or NG
OK >> GO TO 5.
NG >> GO TO 4.
4. 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.
5. CHECK THROTTLE POSITION SENSOR 2 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 6.
NG >> Repair short to ground or short to power in harness or connectors.
PBIB1580E
Voltage: Approximately 5V
PBIB0915E
Continuity should exist.
ECM terminal Sensor terminal Reference Wiring Diagram
91 APP sensor terminal 4 EC-585
47 Electric throttle control actuator terminal 1EC-340