2007 NISSAN 350Z diagram

DTC P2122, P2123 APP SENSOR
EC-639
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Revision: 2006 November2007 350Z
6. CHECK APP SENSOR INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Check harness continuity between ECM terminal 97 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 E108, M15

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 APP SENSOR
Refer to EC-658, "
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-77, "
Accelerator Pedal Released Position Learning" .
3. Perform EC-77, "
Throttle Valve Closed Position Learning" .
4. Perform EC-77, "
Idle Air Volume Learning" .
>>INSPECTION END
10. CHECK INTERMITTENT INCIDENT
Refer to EC-141, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
>>INSPECTION END Continuity should exist.

DTC P2127, P2128 APP SENSOR
EC-643
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Revision: 2006 November2007 350Z
Wiring DiagramNBS000H1
TBWT1671E

EC-646
DTC P2127, P2128 APP SENSOR
Revision: 2006 November2007 350Z
2. CHECK APP 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-III or tester.
OK or NG
OK >> GO TO 7.
NG >> GO TO 3.
3. 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 103.
Refer to Wiring Diagram.
OK or NG
OK >> GO TO 5.
NG >> GO TO 4.
4. DETECT MALFUNCTIONING PART
Check the following.

Harness connectors E108, M15

Harness for open between ECM and APP sensor
>> Repair open circuit.
PBIB1080E
Voltage: Approximately 5V
PBIB0915E
Continuity should exist.

DTC P2127, P2128 APP SENSOR
EC-647
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Revision: 2006 November2007 350Z
5. CHECK APP SENSOR 2 POWER SUPPLY CIRCUIT-III
Check 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.
6. CHECK COMPONENTS
Check the following.

Crankshaft position sensor (POS) (Refer to EC-393, "Component Inspection" .)

Camshaft position sensor (PHASE) (bank 2) (Refer to EC-405, "Component Inspection" .)

Exhaust valve timing control position sensor (bank 2) (Refer to EC-539, "Component Inspection" .)

EVAP control system pressure sensor (Refer to EC-464, "Component Inspection" .)

Refrigerant pressure sensor (Refer to AT C - 8 0 , "COMPONENT INSPECTION" .)
OK or NG
OK >> GO TO 13.
NG >> Replace malfunctioning component.
7. CHECK APP SENSOR 2 GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check harness continuity between APP sensor terminal 1 and ECM terminal 104.
Refer to Wiring Diagram.
4. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 9.
NG >> GO TO 8.
8. DETECT MALFUNCTIONING PART
Check the following.

Harness connectors E108, M15

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.
ECM terminal Sensor terminal Reference Wiring Diagram
46 CKP sensor (POS) terminal 1EC-388
64CMP sensor (PHASE) (bank 2) terminal 1EC-399EVT control position sensor (bank 2) terminal 1EC-532
103 APP sensor terminal 4EC-643
107 EVAP control system pressure sensor terminal 3EC-458
111 Refrigerant pressure sensor terminal 1EC-711
Continuity should exist.

EC-648
DTC P2127, P2128 APP SENSOR
Revision: 2006 November2007 350Z
9. CHECK APP SENSOR 2 INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Check harness continuity between 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 11.
NG >> GO TO 10.
10. DETECT MALFUNCTIONING PART
Check the following.

Harness connectors E108, M15

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.
11 . CHECK APP SENSOR
Refer to EC-658, "
Component Inspection" .
OK or NG
OK >> GO TO 13.
NG >> GO TO 12.
12. REPLACE ACCELERATOR PEDAL ASSEMBLY
1. Replace accelerator pedal assembly.
2. Perform EC-77, "
Accelerator Pedal Released Position Learning" .
3. Perform EC-77, "
Throttle Valve Closed Position Learning" .
4. Perform EC-77, "
Idle Air Volume Learning" .
>>INSPECTION END
13. CHECK INTERMITTENT INCIDENT
Refer to EC-141, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
>>INSPECTION END
Component InspectionNBS000H3
ACCELERATOR PEDAL POSITION SENSOR
1. Reconnect all harness connectors disconnected.
2. Turn ignition switch ON.
3. Check voltage between ECM terminals 97 (APP sensor 1 sig-
nal), 98 (APP sensor 2 signal) and ground under the following
conditions.Continuity should exist.
Terminal Accelerator pedal Voltage
97
(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
PBIB3582E

EC-652
DTC P2138 APP SENSOR
Revision: 2006 November2007 350Z
Wiring DiagramNBS000HH
TBWT1674E

EC-656
DTC P2138 APP SENSOR
Revision: 2006 November2007 350Z
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 103.
Refer to Wiring Diagram.
OK or NG
OK >> GO TO 7.
NG >> GO TO 6.
6. DETECT MALFUNCTIONING PART
Check the following.

Harness connectors E108, M15

Harness for open between ECM and APP sensor
>> Repair open circuit.
7. CHECK APP SENSOR 2 POWER SUPPLY CIRCUIT-III
Check harness for short to power and short to ground, between the following terminals.
OK or NG
OK >> GO TO 8.
NG >> Repair short to ground or short to power in harness or connectors.
8. CHECK COMPONENTS
Check the following.

Crankshaft position sensor (POS) (Refer to EC-393, "Component Inspection" .)

Camshaft position sensor (PHASE) (bank 2) (Refer to EC-405, "Component Inspection" .)

Exhaust valve timing control position sensor (bank 2) (Refer to EC-539, "Component Inspection" .)

EVAP control system pressure sensor (Refer to EC-464, "Component Inspection" .)

Refrigerant pressure sensor (Refer to AT C - 8 0 , "COMPONENT INSPECTION" .)
OK or NG
OK >> GO TO 15.
NG >> Replace malfunctioning component.Continuity should exist.
ECM terminal Sensor terminal Reference Wiring Diagram
46 CKP sensor (POS) terminal 1EC-388
64CMP sensor (PHASE) (bank 2) terminal 1EC-399EVT control position sensor (bank 2) terminal 1EC-532
103 APP sensor terminal 4EC-643
107 EVAP control system pressure sensor terminal 3EC-458
111 Refrigerant pressure sensor terminal 1EC-711

DTC P2138 APP SENSOR
EC-657
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Revision: 2006 November2007 350Z
9. CHECK APP SENSOR GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check harness continuity between the following;
APP sensor terminal 3 and ECM terminal 100.
APP sensor terminal 1 and ECM terminal 104,
Refer to Wiring Diagram.
4. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 11.
NG >> GO TO 10.
10. DETECT MALFUNCTIONING PART
Check the following.

Harness connectors E108, M15

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.
11 . CHECK APP SENSOR INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Check harness continuity between the following;
ECM terminal 97 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 13.
NG >> GO TO 12.
12. DETECT MALFUNCTIONING PART
Check the following.

Harness connectors E108, M15

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.
13. CHECK APP SENSOR
Refer to EC-658, "
Component Inspection" .
OK or NG
OK >> GO TO 15.
NG >> GO TO 14.Continuity should exist.
Continuity should exist.