diagram NISSAN 350Z 2007 Z33 Engine Control Owners Manual

EC-458
DTC P0452 EVAP CONTROL SYSTEM PRESSURE SENSOR
Revision: 2006 November2007 350Z
Wiring DiagramNBS0009L
TBWT1650E

DTC P0452 EVAP CONTROL SYSTEM PRESSURE SENSOR
EC-461
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Revision: 2006 November2007 350Z
2. CHECK CONNECTOR
1. Disconnect EVAP control system pressure sensor harness connector.
2. Check sensor harness connector for water.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness connector.
3. CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR POWER SUPPLY CIRCUIT-I
1. Turn ignition switch ON.
2. Check voltage between EVAP control system pressure sensor
terminal 3 and ground with CONSULT-III or tester.
OK or NG
OK >> GO TO 10.
NG >> GO TO 4.
4. CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR POWER SUPPLY CIRCUIT-II
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check harness continuity between EVAP control system pressure sensor terminal 3 and ECM terminal
107. Refer to Wiring Diagram.
OK or NG
OK >> GO TO 6.
NG >> GO TO 5.
5. DETECT MALFUNCTIONING PART
Check the following.
1. Harness connectors T2, B44
2. Harness connectors B1, M12
3. Harness for open between ECM and EVAP control system pressure sensor.
>> Repair open circuit. Water should not exist.
PBIB1086E
Voltage: Approximately 5V
PBIB0138E
Continuity should exist.

EC-462
DTC P0452 EVAP CONTROL SYSTEM PRESSURE SENSOR
Revision: 2006 November2007 350Z
6. CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR POWER SUPPLY CIRCUIT-III
Check harness for short to power and short to ground, between the following terminals.
OK or NG
OK >> GO TO 7.
NG >> Repair short to ground or short to power in harness or connectors.
7. 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" .)

Refrigerant pressure sensor (Refer to AT C - 8 0 , "COMPONENT INSPECTION" .)
OK or NG
OK >> GO TO 8.
NG >> Replace malfunctioning component.
8. CHECK APP SENSOR
Refer to EC-648, "
Component Inspection" .
OK or NG
OK >> GO TO 15.
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
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 1EC-711

DTC P0452 EVAP CONTROL SYSTEM PRESSURE SENSOR
EC-463
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Revision: 2006 November2007 350Z
10. CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR GROUND CIRCUIT FOR OPEN AND
SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check harness continuity between EVAP control system pressure sensor terminal 1 and ECM terminal
112. 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 T2, B44

Harness connectors B1, M12

Harness for open or short between EVAP control system pressure sensor and ECM
>> Repair open circuit or short to ground or short to power in harness or connectors.
12. CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR INPUT SIGNAL CIRCUIT FOR OPEN
AND SHORT
1. Check harness continuity between ECM terminal 102 and EVAP control system pressure 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 T2, B44

Harness connectors B1, M12

Harness for open or short between EVAP control system pressure sensor and ECM
>> Repair open circuit or short to ground or short to power in harness or connectors.
14. CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR
Refer to EC-464, "
Component Inspection" .
OK or NG
OK >> GO TO 15.
NG >> Replace EVAP control system pressure sensor.
15. CHECK INTERMITTENT INCIDENT
Refer to EC-141, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
>>INSPECTION END Continuity should exist.
Continuity should exist.

DTC P0453 EVAP CONTROL SYSTEM PRESSURE SENSOR
EC-467
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Revision: 2006 November2007 350Z
Wiring DiagramNBS0009S
TBWT1650E

EC-470
DTC P0453 EVAP CONTROL SYSTEM PRESSURE SENSOR
Revision: 2006 November2007 350Z
2. CHECK CONNECTOR
1. Disconnect EVAP control system pressure sensor harness connector.
2. Check sensor harness connector for water.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness connector.
3. CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR POWER SUPPLY CIRCUIT-I
1. Turn ignition switch ON.
2. Check voltage between EVAP control system pressure sensor
terminal 3 and ground with CONSULT-III or tester.
OK or NG
OK >> GO TO 10.
NG >> GO TO 4.
4. CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR POWER SUPPLY CIRCUIT-II
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check harness continuity between EVAP control system pressure sensor terminal 3 and ECM terminal
107. Refer to Wiring Diagram.
OK or NG
OK >> GO TO 6.
NG >> GO TO 5.
5. DETECT MALFUNCTIONING PART
Check the following.
1. Harness connectors T2, B44
2. Harness connectors B1, M12
3. Harness for open between ECM and EVAP control system pressure sensor.
>> Repair open circuit. Water should not exist.
PBIB1086E
Voltage: Approximately 5V
PBIB0138E
Continuity should exist.

DTC P0453 EVAP CONTROL SYSTEM PRESSURE SENSOR
EC-471
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Revision: 2006 November2007 350Z
6. CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR POWER SUPPLY CIRCUIT-III
Check harness for short to power and short to ground, between the following terminals.
OK or NG
OK >> GO TO 7.
NG >> Repair short to ground or short to power in harness or connectors.
7. 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" .)

Refrigerant pressure sensor (Refer to AT C - 8 0 , "COMPONENT INSPECTION" .
OK or NG
OK >> GO TO 8.
NG >> Replace malfunctioning component.
8. CHECK APP SENSOR
Refer to EC-648, "
Component Inspection" .
OK or NG
OK >> GO TO 20.
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
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 1EC-711

EC-472
DTC P0453 EVAP CONTROL SYSTEM PRESSURE SENSOR
Revision: 2006 November2007 350Z
10. CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR GROUND CIRCUIT FOR OPEN AND
SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check harness continuity between EVAP control system pressure sensor terminal 1 and ECM terminal
112. 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 T2, B44

Harness connectors B1, M12

Harness for open or short between EVAP control system pressure sensor and ECM
>> Repair open circuit or short to ground or short to power in harness or connectors.
12. CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR INPUT SIGNAL CIRCUIT FOR OPEN
AND SHORT
1. Check harness continuity between ECM terminal 102 and EVAP control system pressure 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 T2, B44

Harness connectors B1, M12

Harness for open or short between EVAP control system pressure sensor and ECM
>> Repair open circuit or short to ground or short to power in harness or connectors.
14. CHECK RUBBER TUBE
1. Disconnect rubber tube connected to EVAP canister vent control valve.
2. Check the rubber tube for clogging, vent and kinked.
OK or NG
OK >> GO TO 15.
NG >> Clean the rubber tube using an air blower.Continuity should exist.
Continuity should exist.

DTC P0550 PSP SENSOR
EC-503
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Revision: 2006 November2007 350Z
Wiring DiagramNBS000AY
TBWT1651E

EC-506
DTC P0550 PSP SENSOR
Revision: 2006 November2007 350Z
2. CHECK PSP SENSOR POWER SUPPLY CIRCUIT
1. Disconnect power steering pressure (PNP) sensor (1) harness
connector.
2. Turn ignition switch ON.
3. Check voltage between PSP sensor terminal 1 and ground with
CONSULT-III or tester.
OK or NG
OK >> GO TO 3.
NG >> Repair open circuit or short to ground or short to power
in harness or connectors.
3. CHECK PSP SENSOR GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check harness continuity between PSP sensor terminal 3 and ECM terminal 96.
Refer to Wiring Diagram.
4. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 4.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.
4. CHECK PSP SENSOR INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Check harness continuity between ECM terminal 87 and PSP 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 5.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.
5. CHECK PSP SENSOR
Refer to EC-507, "
Component Inspection" .
OK or NG
OK >> GO TO 6.
NG >> Replace PNP sensor.
1 : Alternator
: Vehicle front
PBIB3511E
Voltage: Approximately 5V
PBIB0188E
Continuity should exist.
Continuity should exist.