2007 INFINITI M35 diagram

IGNITION SIGNAL
EC-699
[VQ35DE]
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EC
Revision: 2007 April2007 M35/M45
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 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 EC-154, "POWER SUPPLY AND GROUND CIRCUIT" .
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.
PBIB1606E
Voltage: Battery voltage
PBIB0624E
Continuity should exist.

EC-700
[VQ35DE]
IGNITION SIGNAL
Revision: 2007 April2007 M35/M45
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-702, "
Component Inspection"
OK or NG
OK >> GO TO 10.
NG >> Replace condenser.
10. CHECK IGNITION COIL POWER SUPPLY CIRCUIT-V
1. Reconnect all harness connectors disconnected.
2. Disconnect ignition coil harness connector.
3. Turn ignition switch ON.
4. 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 F18, F201

Harness connector F3

Harness for open or short between ignition coil and harness connector F3
>> Repair or replace harness or connectors. Continuity should exist.
Voltage: Battery voltage
PBIB1560E
PBIB0138E

IGNITION SIGNAL
EC-701
[VQ35DE]
C
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K
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MA
EC
Revision: 2007 April2007 M35/M45
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 F201, F18

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 F201, F18

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-702, "
Component Inspection" .
OK or NG
OK >> GO TO 17.
NG >> Replace ignition coil with power transistor.
17. CHECK INTERMITTENT INCIDENT
Refer to EC-153, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
>>INSPECTION END Continuity should exist.
Continuity should exist.

REFRIGERANT PRESSURE SENSOR
EC-705
[VQ35DE]
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EC
Revision: 2007 April2007 M35/M45
Wiring DiagramNBS00586
TBWT0998E

EC-708
[VQ35DE]
REFRIGERANT PRESSURE SENSOR
Revision: 2007 April2007 M35/M45
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 67.
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 E11, F2

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.
7. CHECK REFRIGERANT PRESSURE SENSOR INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Check harness continuity between ECM terminal 70 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 E11, F2

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-153, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
OK or NG
OK >> Replace refrigerant pressure sensor.
NG >> Repair or replace.
Removal and InstallationNBS00588
REFRIGERANT PRESSURE SENSOR
Refer to ATC-166, "Removal and Installation of Refrigerant Pressure Sensor" . Continuity should exist.
Continuity should exist.

EC-710
[VQ35DE]
SNOW MODE SWITCH
Revision: 2007 April2007 M35/M45
Wiring DiagramNBS0058S
TBWT1003E

EC-712
[VQ35DE]
SNOW MODE SWITCH
Revision: 2007 April2007 M35/M45
5. DETECT MALFUNCTIONING PART
Check the following.

Harness connectors E108, M15

IPDM E/R harness connector E7

10A fuse

Harness for open or short between snow mode switch and fuse.
>> Repair open circuit or short to ground or short to power in harness or connectors.
6. CHECK SNOW MODE SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect “unified meter and A/C amp.” harness connector.
3. Check harness continuity between snow mode switch terminal 4 and “unified meter and A/C amp.” termi-
nal 23. 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.
7. CHECK GROUND CONNECTIONS
1. Turn ignition switch OFF.
2. Loosen and retighten two ground screws on the body.
Refer to EC-160, "
Ground Inspection" .
OK or NG
OK >> GO TO 8.
NG >> Repair or replace ground connections.
8. CHECK SNOW MODE INDICATOR LAMP GROUND CIRCUIT FOR OPEN AND SHORT
1. Check harness continuity between snow mode switch terminal 2 and ground.
Refer to Wiring Diagram.
2. 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.Continuity should exist.
1. Body ground M70 2. Body ground M16
PBIB2782E
Continuity should exist.

EC-714
[VQ35DE]
MIL AND DATA LINK CONNECTOR
Revision: 2007 April2007 M35/M45
MIL AND DATA LINK CONNECTORPFP:24814
Wiring DiagramNBS0058V
TBWT1487E