2007 NISSAN 350Z ECM wiring diagram

DTC P1078 P1084 EVT CONTROL POSITION SENSOR
EC-535
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Revision: 2006 November2007 350Z
2. CHECK EXHAUST VALVE TIMING CONTROL POSITION SENSOR POWER SUPPLY CIRCUIT-I
1. Disconnect exhaust valve timing control position sensor harness connector.
2. Turn ignition switch ON.
3. Check voltage between exhaust valve timing control position
sensor terminal 1 and ground with CONSULT-III or tester.
OK or NG
OK >> GO TO 8.
NG-1 >> P1078: Repair open circuit or short to ground or short to
power in harness connector.
NG-2 >> P1084: GO TO 3.
3. CHECK EXHAUST VALVE TIMING CONTROL POSITION SENSOR POWER SUPPLY CIRCUIT-II
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check harness continuity between exhaust valve timing control position sensor terminal 1 and ECM termi-
nal 64.
Refer to Wiring Diagram.
OK or NG
OK >> GO TO 4.
NG >> Repair open circuit.
1. Exhaust valve timing control position
sensor (bank 1)2. Camshaft position sensor (PHASE)
(bank 1)3. Camshaft position sensor (PHASE)
(bank 2)
4. Exhaust valve timing control position
sensor (bank 2)
Voltage: Approximately 5V
PBIB3518E
PBIB3312E
Continuity should exist.

EC-536
DTC P1078 P1084 EVT CONTROL POSITION SENSOR
Revision: 2006 November2007 350Z
4. CHECK EXHAUST VALVE TIMING CONTROL POSITION 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 5.
NG >> Repair short to ground or short to power in harness or connectors.
5. 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" .)

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 6.
NG >> Replace malfunctioning component.
6. CHECK APP SENSOR
Refer to EC-648, "
Component Inspection" .
OK or NG
OK >> GO TO 14.
NG >> GO TO 7.
7. 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 terminal 1EC-711

DTC P1078 P1084 EVT CONTROL POSITION SENSOR
EC-537
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Revision: 2006 November2007 350Z
8. CHECK EXHAUST VALVE TIMING CONTROL POSITION SENSOR GROUND CIRCUIT FOR OPEN
AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check harness continuity between exhaust valve timing control position sensor terminal 2 and ECM termi-
nal 88. Refer to Wiring Diagram.
4. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 9.
NG >> Repair open circuit or short to ground or short to power in harness or connectors..
9. CHECK EXHAUST VALVE TIMING CONTROL POSITION SENSOR INPUT SIGNAL CIRCUIT FOR
OPEN AND SHORT
1. Check harness continuity between ECM terminal 58 (bank 1) or 62 (bank 2) and exhaust valve timing con-
trol position sensor terminal 3.
Refer to Wiring Diagram.
2. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 10.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.
10. CHECK EXHAUST VALVE TIMING CONTROL POSITION SENSOR
Refer to EC-539, "
Component Inspection" .
OK or NG
OK >> GO TO 11.
NG >> Replace exhaust valve timing control position sensor.
11 . CHECK CRANKSHAFT POSITION SENSOR (POS)
Refer to EC-393, "
Component Inspection" .
OK or NG
OK >> GO TO 12.
NG >> Replace crankshaft position sensor (POS).
12. CHECK CAMSHAFT POSITION SENSOR (PHASE)
Refer to EC-405, "
Component Inspection" .
OK or NG
OK >> GO TO 13.
NG >> Replace malfunctioning camshaft position sensor (PHASE).Continuity should exist.
Continuity should exist.

DTC P1233, P2101 ELECTRIC THROTTLE CONTROL FUNCTION
EC-567
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Revision: 2006 November2007 350Z
3. CHECK THROTTLE CONTROL MOTOR RELAY POWER SUPPLY CIRCUIT-I
1. Turn ignition switch OFF.
2. Check voltage between ECM terminal 25 and ground with CON-
SULT-III or tester.
OK or NG
OK >> GO TO 7.
NG >> GO TO 4.
4. 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 25 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 7.
NG >> GO TO 5.
5. DETECT MALFUNCTIONING PART
Check the following.

Harness connectors E10, F1

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.
6. CHECK FUSE
1. Disconnect 15A fuse.
2. Check 15A fuse for blown.
OK or NG
OK >> GO TO 9.
NG >> Replace 15A fuse.
7. CHECK THROTTLE CONTROL MOTOR RELAY INPUT SIGNAL CIRCUIT-II
1. Disconnect ECM harness connector.
2. Disconnect IPDM E/R harness connector E8.
3. Check continuity between ECM terminal 3 (bank 1), 52 (bank 2) and IPDM E/R terminal 42.
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.Voltage: Battery voltage
PBIB3579E
Continuity should exist.
Continuity should exist.

EC-568
DTC P1233, P2101 ELECTRIC THROTTLE CONTROL FUNCTION
Revision: 2006 November2007 350Z
8. DETECT MALFUNCTIONING PART
Check the following.

Harness connectors E12, F3

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.
9. CHECK INTERMITTENT INCIDENT
Refer to EC-141, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
OK or NG
OK >> Replace IPDM E/R. Refer to PG-16, "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.
1. Electric throttle control acutator
(bank 1)2. Electric throttle control acutator
(bank 2)
BankElectric throttle control
actuator terminalECM terminal Continuity
112 Should exist
4 Should not exist
22 Should not exist
4 Should exist
2149 Should not exist
50 Should exist
249 Should exist
50 Should not exist
PBIB3504E

DTC P1236, P2118 THROTTLE CONTROL MOTOR
EC-577
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Revision: 2006 November2007 350Z
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-579, "
Component Inspection" .
OK or NG
OK >> GO TO 4.
NG >> GO TO 5.
4. CHECK INTERMITTENT INCIDENT
Refer to EC-141, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
OK or NG
OK >> GO TO 5.
NG >> Repair or replace harness or connectors.
1. Electric throttle control acutator
(bank 1)2. Electric throttle control acutator
(bank 2)
BankElectric throttle control
actuator terminalECM terminal Continuity
112 Should exist
4 Should not exist
22 Should not exist
4 Should exist
2149 Should not exist
50 Should exist
249 Should exist
50 Should not exist
PBIB3504E

DTC P1239, P2135 TP SENSOR
EC-589
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Revision: 2006 November2007 350Z
2. CHECK THROTTLE POSITION SENSOR POWER SUPPLY CIRCUIT-I
1. Disconnect electric throttle control actuator harness connector.
2. Turn ignition switch ON.
3. Check voltage between electric throttle control actuator terminal 6 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 ground or short to power in harness or connec-
tors.
3. CHECK THROTTLE POSITION SENSOR GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check harness continuity between electric throttle control actuator terminal 3 and ECM terminal 40 (bank
1) or 48 (bank 2).
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.
1. Electric throttle control actuator
(bank 1)2. Electric throttle control actuator
(bank 2)
Voltage: Approximately 5V
PBIB3504E
PBIB3471E
Continuity should exist.

EC-590
DTC P1239, P2135 TP SENSOR
Revision: 2006 November2007 350Z
4. CHECK THROTTLE POSITION SENSOR INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Check harness continuity between the following;
ECM terminal 30 (bank 1) or 31 (bank 2) and electric throttle control actuator terminal 4,
ECM terminal 34 (bank 1) or 35 (bank 2) and electric throttle control actuator terminal 5.
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 THROTTLE POSITION SENSOR
Refer to EC-590, "
Component Inspection" .
OK or NG
OK >> GO TO 7.
NG >> GO TO 6.
6. REPLACE ELECTRIC THROTTLE CONTROL ACTUATOR
1. Replace the electric throttle control actuator.
2. Perform EC-77, "
Throttle Valve Closed Position Learning" .
3. Perform EC-77, "
Idle Air Volume Learning" .
>>INSPECTION END
7. CHECK INTERMITTENT INCIDENT
Refer to EC-141, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
>>INSPECTION END
Component InspectionNBS000HB
THROTTLE POSITION SENSOR
1. Reconnect all harness connectors disconnected.
2. Perform EC-77, "
Throttle Valve Closed Position Learning" .
3. Turn ignition switch ON.
4. Set shift lever to D (A/T) or 1st (M/T) position.
5. Check voltage between ECM terminals 30 [TP sensor 1 (bank 1) signal], 31 [TP sensor 1 (bank 2) signal],
34 [TP sensor 2 (bank 1) signal]. 35 [TP sensor 2 (bank 2) signal] and ground under the following condi-
tions.Continuity should exist.
PBIB3472E