wiring diagram NISSAN 350Z 2007 Z33 Engine Control Workshop Manual

FUEL PUMP
EC-695
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Revision: 2006 November2007 350Z
7. CHECK CONDENSER POWER SUPPLY CIRCUIT-II
1. Disconnect IPDM E/R harness connector E8.
2. Check harness continuity between IPDM E/R terminal 39 and condenser terminal 1.
Refer to Wiring Diagram.
3. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 15.
NG >> GO TO 8.
8. DETECT MALFUNCTIONING PART
Check the following.

Harness connectors E107, B3

Harness for open or short between IPDM E/R and condenser
>> Repair open circuit or short to ground or short to power in harness or connectors.
9. CHECK CONDENSER GROUND CIRCUIT
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 11.
NG >> GO TO 10
10. DETECT MALFUNCTIONING PART
Check the following.

Harness connectors B43, T1 (Coupe models)

Harness connectors B39, D102 (Coupe models)

Harness connectors B61, T23 (Roadster models)

Harness for open or short between condenser and ground
>> Repair open circuit or short to power in harness or connectors.
11 . CHECK CONDENSER
Refer to EC-697, "
Component Inspection" .
OK or NG
OK >> GO TO 12.
NG >> Replace condenser.Continuity should exist.
Continuity should exist.

EC-696
FUEL PUMP
Revision: 2006 November2007 350Z
12. CHECK FUEL PUMP POWER SUPPLY AND GROUND CIRCUIT FOR OPEN AND SHORT
1. Disconnect “fuel level sensor unit and fuel pump” harness con-
nector.
2. Disconnect harness connectors E107, B3.
3. Check harness continuity between the following;
“fuel level sensor unit and fuel pump” terminal 1 and harness
connector B3 terminal 4,
“fuel level sensor unit and fuel pump” terminal 3 and ground.
Refer to Wiring Diagram.
4. 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 connector B3

Harness connectors B43, T1 (Coupe models)

Harness connectors B39, D102 (Coupe models)

Harness connectors B61, T23 (Roadster models)

Harness for open or short between “fuel level sensor unit and fuel pump” and harness connector B3

Harness for open or short between “fuel level sensor unit and fuel pump” and ground
>> Repair open circuit or short to ground or short to power in harness or connectors.
14. CHECK FUEL PUMP
Refer to EC-697, "
Component Inspection" .
OK or NG
OK >> GO TO 15.
NG >> Replace “fuel level sensor unit and fuel pump”.
15. CHECK INTERMITTENT INCIDENT
Refer to EC-141, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
OK or NG
OK >> Replace IPDM E/R.
NG >> Repair or replace harness or connectors.Continuity should exist.
PBIB1665E

IGNITION SIGNAL
EC-699
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Revision: 2006 November2007 350Z
Wiring DiagramNBS000HM
TBWT1680E

EC-706
IGNITION SIGNAL
Revision: 2006 November2007 350Z
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-III or tester.
OK or NG
OK >> GO TO 8.
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 14.
NG >> GO TO 7.
7. DETECT MALFUNCTIONING PART
Check the following.

Harness connectors E12, F3

Harness for open or short between IPDM E/R and condenser
>> Repair open circuit or short to ground or short to power in harness or connectors.
1 : Ignition coil No.5 (with power transistor)
2 : Ignition col No.3 (with power transistor)
3 : Ignition coil No.1 (with power transistor)
4 : Condenser
5 : Fuel injector No.3
6 : Fuel injector No.1
7 : Fuel injector No.2
8 : Fuel injector No.4
9 : Ignition coil No.2 (with power transistor)
10 : Ignition coil No.4 (with power transistor)
11 : Ignition coil No.6 (with power transistor)
12 : Fuel injector No.6
13 : Fuel injector No.5
Voltage: Battery voltage
PBIB3512E
PBIB0624E
Continuity should exist.

IGNITION SIGNAL
EC-707
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Revision: 2006 November2007 350Z
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-708, "
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-III or tester.
OK or NG
OK >> GO TO 11.
NG >> Repair open circuit or short to ground or short to power
in harness or connectors. Continuity should exist.
1 : Ignition coil No.5 (with power transistor)
2 : Ignition col No.3 (with power transistor)
3 : Ignition coil No.1 (with power transistor)
4 : Condenser
5 : Fuel injector No.3
6 : Fuel injector No.1
7 : Fuel injector No.2
8 : Fuel injector No.4
9 : Ignition coil No.2 (with power transistor)
10 : Ignition coil No.4 (with power transistor)
11 : Ignition coil No.6 (with power transistor)
12 : Fuel injector No.6
13 : Fuel injector No.5
PBIB3512E
Voltage: Battery voltage
PBIB0138E

EC-708
IGNITION SIGNAL
Revision: 2006 November2007 350Z
11 . 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 12.
NG >> Repair open circuit or short to power in harness or connectors.
12. CHECK IGNITION COIL OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Disconnect ECM harness connector.
2. Check harness continuity between ECM terminals 11, 12, 15, 16, 19, 20 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 13.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.
13. CHECK IGNITION COIL WITH POWER TRANSISTOR
Refer to EC-708, "
Component Inspection" .
OK or NG
OK >> GO TO 14.
NG >> Replace malfunctioning ignition coil with power transistor.
14. CHECK INTERMITTENT INCIDENT
Refer to EC-141, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
OK or NG
OK >> Replace IPDM E/R.
NG >> Repair open circuit or short to ground or short to power in harness connectors.
Component InspectionNBS000HO
IGNITION COIL WITH POWER TRANSISTOR
CAUTION:
Do the following procedure in the place where ventilation is good without the combustible.
1. Turn ignition switch OFF.
2. Disconnect ignition coil harness connector.
3. Check resistance between ignition coil terminals as follows.
4. If NG, Replace ignition coil with power transistor.
If OK, go to next step.
5. Turn ignition switch OFF.
6. Reconnect all harness connectors disconnected.Continuity should exist.
Continuity should exist.
Terminal No. (Polarity) Resistance Ω [at 25°C (77°F)]
1 and 2 Except 0 or ∞
1 and 3
Except 0
2 and 3
PBIB0847E

REFRIGERANT PRESSURE SENSOR
EC-711
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Revision: 2006 November2007 350Z
Wiring DiagramNBS000I3
TBWT1683E

EC-714
REFRIGERANT PRESSURE SENSOR
Revision: 2006 November2007 350Z
3. CHECK REFRIGERANT PRESSURE SENSOR POWER SUPPLY CIRCUIT
1. Disconnect refrigerant pressure sensor harness connector (1).
2. Turn ignition switch ON.
3. Check voltage between refrigerant pressure sensor terminal 1
and ground with CONSULT-III or tester.
OK or NG
OK >> GO TO 5.
NG >> GO TO 4.
4. DETECT MALFUNCTIONING PART
Check the following.

Harness connectors E251, E31

Harness for open or short between ECM and refrigerant pressure sensor
>> Repair open circuit or short to ground or short to power in harness or connectors.
5. CHECK REFRIGERANT PRESSURE SENSOR GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check harness continuity between refrigerant pressure sensor terminal 3 and ECM terminal 116.
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 6.
6. DETECT MALFUNCTIONING PART
Check the following.

Harness connectors E251, E31

Harness for open or short between ECM and refrigerant pressure sensor
>> Repair open circuit or short to ground or short to power in harness or connectors.
PBIB3514E
Voltage: Approximately 5V
PBIB0188E
Continuity should exist.

REFRIGERANT PRESSURE SENSOR
EC-715
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Revision: 2006 November2007 350Z
7. CHECK REFRIGERANT PRESSURE SENSOR INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Check harness continuity between ECM terminal 105 and refrigerant 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 9.
NG >> GO TO 8.
8. DETECT MALFUNCTIONING PART
Check the following.

Harness connectors E251, E31

Harness for open or short between ECM and refrigerant pressure sensor
>> 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 refrigerant pressure sensor.
NG >> Repair or replace.
Removal and InstallationNBS000I5
REFRIGERANT PRESSURE SENSOR
Refer to ATC-135, "Removal and Installation of Refrigerant Pressure Sensor" . Continuity should exist.

EC-716
MIL AND DATA LINK CONNECTOR
Revision: 2006 November2007 350Z
MIL AND DATA LINK CONNECTORPFP:24814
Wiring DiagramNBS000II
TBWT1685E