2005 INFINITI FX35 diagram

DTC P2138 APP SENSOR EC-645
[VQ35DE]
C
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EC
Revision: 2005 July 2005 FX
5. CHECK APP 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 7.
NG >> GO TO 6.
6. DETECT MALFUNCTIONING PART
Check the following.

Harness connectors E211, M41

Harness for open or short between ECM and accelerator pedal position sensor
>> Repair open circuit or short to ground or short to power in harness or connectors.
7. CHECK APP 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 9.
NG >> Repair open circuit or short to ground or short to power in harness connectors.
8. CHECK THROTTLE POSITION SENSOR
Refer to EC-284, "
Component Inspection" .
OK or NG
OK >> GO TO 16.
NG >> GO TO 9.
9. REPLACE ELECTRIC THROTTLE CONTROL ACTUATOR
1. Replace electric throttle control actuator.
2. Perform EC-96, "
Throttle Valve Closed Position Learning" .
3. Perform EC-97, "
Idle Air Volume Learning" .
>> INSPECTION END
Continuity should exist.
ECM terminal Sensor terminal Reference Wiring Diagram
91 APP sensor terminal 4 EC-628
47 Electric throttle control actuator terminal 1EC-280

EC-646
[VQ35DE]
DTC P2138 APP SENSOR
Revision: 2005 July 2005 FX
10. CHECK APP SENSOR GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check harness continuity between APP sensor terminals 3 and ECM terminal 82, APP sensor terminal 1 and ECM terminal 83.
Refer to Wiring Diagram.
4. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 12.
NG >> GO TO 11.
11 . DETECT MALFUNCTIONING PART
Check the following.

Harness connectors E211, M41

Harness for open or short between ECM and accelerator pedal position sensor
>> Repair open circuit or short to ground or short to power in harness or connectors.
12. CHECK APP SENSOR INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Check harness continuity between ECM terminal 106 and APP sensor terminal 5, ECM terminal 98 and APP sensor terminal 2.
Refer to Wiring Diagram.
2. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 14.
NG >> GO TO 13.
13. DETECT MALFUNCTIONING PART
Check the following.

Harness connectors E211, M41

Harness for open or short between ECM and accelerator pedal position sensor
>> Repair open circuit or short to ground or short to power in harness or connectors.
14. CHECK APP SENSOR
Refer to EC-647, "
Component Inspection" .
OK or NG
OK >> GO TO 16.
NG >> GO TO 15. Continuity should exist.
Continuity should exist.

IGNITION SIGNAL EC-649
[VQ35DE]
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EC
Revision: 2005 July 2005 FX
Wiring DiagramABS006Y5
TBWM0734E

EC-656
[VQ35DE]
IGNITION SIGNAL
Revision: 2005 July 2005 FX
5. CHECK IGNITION COIL POWER SUPPLY CIRCUIT-II
1. Turn ignition switch OFF.
2. Disconnect condenser harness connector.
3. Turn ignition switch ON.
4. Check voltage between condenser terminal 1 and ground with CONSULT-II or tester.
OK or NG
OK >> GO TO 7.
NG >> GO TO 6.
6. CHECK IGNITION COIL POWER SUPPLY CIRCUIT-III
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R harness connector E7.
3. Check harness continuity between IPDM E/R terminal 17 and condenser terminal 1. Refer to Wiring Diagram.
4. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 17.
NG >> GO TO 7.
7. DETECT MALFUNCTIONING PART
Check the following.

Harness connectors E19, F49

Harness for open or short between condenser and IPDM E/R
>> Repair open circuit or short to ground or short to power in harness or connectors.
PBIB1606E
Voltage: Battery voltage
PBIB0624E
Continuity should exist.

IGNITION SIGNAL EC-657
[VQ35DE]
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EC
Revision: 2005 July 2005 FX
8. CHECK CONDENSER GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Check harness continuity between condenser terminal 2 and ground. Refer to Wiring Diagram.
3. Also check harness for short to power.
OK or NG
OK >> GO TO 9.
NG >> Repair open circuit or short to power in harness or connectors.
9. CHECK CONDENSER
Refer to EC-659, "
Component Inspection" .
OK or NG
OK >> GO TO 10.
NG >> Replace condenser.
10. CHECK IGNITION COIL POWER SUPPLY CIRCUIT-IV
1. Turn ignition switch OFF.
2. Reconnect all harness connectors disconnected.
3. Disconnect ignition coil harness connector.
4. Turn ignition switch ON.
5. Check voltage between ignition coil terminal 3 and ground with CONSULT-II or tester.
OK or NG
OK >> GO TO 12.
NG >> GO TO 11.
11 . DETECT MALFUNCTIONING PART
Check the following.

Harness connectors F10, F211

Harness for open or short between ignition coil and harness connector F49
>> Repair or replace harness or connectors.
Continuity should exist.
Voltage: Battery voltage
PBIB1560E
PBIB0138E

EC-658
[VQ35DE]
IGNITION SIGNAL
Revision: 2005 July 2005 FX
12. CHECK IGNITION COIL GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Check harness continuity between ignition coil terminal 2 and ground. Refer to Wiring Diagram.
3. Also check harness for short to power.
OK or NG
OK >> GO TO 14.
NG >> GO TO 13.
13. DETECT MALFUNCTIONING PART
Check the following.

Harness connectors F211, F10

Harness for open or short between ignition coil and ground
>> Repair open circuit or short to power in harness or connectors.
14. CHECK IGNITION COIL OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Disconnect ECM harness connector.
2. Check harness continuity between ECM terminals 60, 61, 62, 79, 80, 81 and ignition coil terminal 1. Refer to Wiring Diagram.
3. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 16.
NG >> GO TO 15.
15. DETECT MALFUNCTIONING PART
Check the following.

Harness connectors F10, F211

Harness for open or short between ignition coil and ECM
>> Repair open circuit or short to ground or short to power in harness or connectors.
16. CHECK IGNITION COIL WITH POWER TRANSISTOR
Refer to EC-659, "
Component Inspection" .
OK or NG
OK >> GO TO 17.
NG >> Replace ignition coil with power transistor.
17. CHECK INTERMITTENT INCIDENT
Refer to EC-163, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
OK or Ng
OK >> Replace IPDM E/R.
NG >> Repair open circuit or short to ground a short to power in harness connectors. Continuity should exist.
Continuity should exist.

EC-662
[VQ35DE]
INJECTOR CIRCUIT
Revision: 2005 July 2005 FX
Wiring DiagramABS006YB
TBWM0310E

EC-664
[VQ35DE]
INJECTOR CIRCUIT
Revision: 2005 July 2005 FX
3. CHECK FUNCTION OF INJECTOR-I
With out CONSULT-II
1. Turn ignition switch OFF.
2. Disconnect harness connector F50, F251
3. Turn ignition switch ON.
4. Check voltage between harness connector F50 terminal 5 and ground with CONSULT-II or tester.
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 >> GO TO 4.
4. DETECT MALFUNCTIONING PART
Check the following.

Harness connectors M82, F102

Harness connectors F50, F251

Fuse block (J/B) connector M4

15A fuse

Harness for open or short between harness connector F50 and fuse

Harness for open or short between harness connector F50 and ECM
>> Repair open circuit or short to ground or short to power in harness or connectors.
PBIB2624E
Voltage: Battery voltage
Cylinder Harness connector F50
terminal ECM terminal
1623
2442
3222
4341
5121
6740
Continuity should exist.
PBIB2323E