wiring INFINITI M35 2006 Factory Service Manual

EC-1396
[VK45DE]
DTC P2A00, P2A03 A/F SENSOR 1
Revision: 2006 January2006 M35/M45
8. CHECK A/F SENSOR 1 INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check harness continuity between A/F sensor 1 terminal and ECM terminal as follows.
Refer to Wiring Diagram.
4. Check harness continuity between the following terminals and ground.
Refer to Wiring Diagram.
5. Also check harness for 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 A/F SENSOR 1 HEATER
Refer to EC-910, "
Component Inspection" .
OK or NG
OK >> GO TO 10.
NG >> GO TO 11.
10. CHECK INTERMITTENT INCIDENT
Perform EC-878, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
OK or NG
OK >> GO TO 11.
NG >> Repair or replace.
A/F sensor 1 terminal ECM terminal
Bank1116
275
535
656
Bank 2176
277
557
658
Continuity should exist.
Bank 1 Bank 2
A/F sensor 1 terminal ECM terminal A/F sensor 1 terminal ECM terminal
116176
275277
535557
656658
Continuity should not exist.

EC-1400
[VK45DE]
VARIABLE INDUCTION AIR CONTROL SYSTEM (VIAS)
Revision: 2006 January2006 M35/M45
Wiring DiagramNBS005PM
TBWT1060E

VARIABLE INDUCTION AIR CONTROL SYSTEM (VIAS)
EC-1405
[VK45DE]
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EC
Revision: 2006 January2006 M35/M45
8. CHECK VIAS CONTROL SOLENOID VALVE OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check harness continuity between ECM terminal 29 and VIAS control solenoid valve terminal 2.
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 VIAS CONTROL SOLENOID VALVE
Refer to EC-1405, "
Component Inspection" .
OK or NG
OK >> GO TO 10.
NG >> Replace VIAS control solenoid valve.
10. CHECK INTERMITTENT INCIDENT
Refer to EC-878, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
>>INSPECTION END
Component InspectionNBS005PO
VIAS CONTROL SOLENOID VALVE
With CONSULT-II
1. Reconnect harness connectors disconnected.
2. Turn ignition switch ON.
3. Perform “VIAS SOL VALVE” in “ACTIVE TEST” mode.
4. Check air passage continuity and operation delay time under the
following conditions.
Operation takes less than 1 second.
Without CONSULT-II
Check air passage continuity and operation delay time under the fol-
lowing conditions.
Operation takes less than 1 second.Continuity should exist.
Condition
VIAS SOL VALVEAir passage continuity
between (A) and (B)Air passage continuity
between (A) and (C)
ON Yes No
OFF No Yes
PBIB0177E
ConditionAir passage continuity
between (A) and (B)Air passage continuity
between (A) and (C)
12V direct current supply
between terminals 1 and 2Ye s N o
No supply No Yes
SEF313Q

EC-1408
[VK45DE]
IGNITION SIGNAL
Revision: 2006 January2006 M35/M45
Wiring DiagramNBS005PR
TBWT1061E

IGNITION SIGNAL
EC-1415
[VK45DE]
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EC
Revision: 2006 January2006 M35/M45
5. CHECK IGNITION COIL POWER SUPPLY CIRCUIT-II
1. Turn ignition switch OFF.
2. Disconnect condenser (1) 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-879, "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.
PBIB2713E
Voltage: Battery voltage
PBIB0624E
Continuity should exist.

EC-1416
[VK45DE]
IGNITION SIGNAL
Revision: 2006 January2006 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-1417, "
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-II or tester.
OK or NG
OK >> GO TO 12.
NG >> GO TO 11.Continuity should exist.
: Vehicle front 1. Ignition coil (with power transistor)
(bank 2)2. Ignition coil (with power transistor)
(bank 1)
Voltage: Battery voltage
PBIB2692E
PBIB0138E

IGNITION SIGNAL
EC-1417
[VK45DE]
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Revision: 2006 January2006 M35/M45
11 . DETECT MALFUNCTIONING PART
Check the following.
Harness connector F3
Harness for open or short between ignition coil and harness connector F3
>> Repair or replace harness or connectors.
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 13.
NG >> Repair open circuit or short to power in harness or connectors.
13. CHECK IGNITION COIL OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Disconnect ECM harness connector.
2. Check harness continuity between ECM terminals 46, 60, 61, 62, 65, 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 14.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.
14. CHECK IGNITION COIL WITH POWER TRANSISTOR
Refer to EC-1417, "
Component Inspection" .
OK or NG
OK >> GO TO 15.
NG >> Replace ignition coil with power transistor.
15. CHECK INTERMITTENT INCIDENT
Refer to EC-878, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
>>INSPECTION END
Component InspectionNBS005PT
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.Continuity should exist.
Continuity should exist.

FUEL INJECTOR
EC-1421
[VK45DE]
C
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EC
Revision: 2006 January2006 M35/M45
Wiring DiagramNBS005PX
TBWT1065E

FUEL INJECTOR
EC-1425
[VK45DE]
C
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EC
Revision: 2006 January2006 M35/M45
6. CHECK SUB-HARNESS CIRCUIT FOR OPEN AND SHORT
1. Disconnect fuel injector harness connectors.
2. Check harness continuity between the following terminals. Refer to Wiring Diagram.
3. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 7.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.
7. CHECK FUEL INJECTOR
Refer to EC-1426, "
Component Inspection" .
OK or NG
OK >> GO TO 8.
NG >> Replace fuel injector.
8. CHECK INTERMITTENT INCIDENT
Refer to EC-878, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
>>INSPECTION END
: Vehicle front 1. Fuel injector (bank 2) 2. Fuel injector (bank 1)
Harness connector terminal Fuel injector terminal
F251 terminal 1
2 F251 terminal 2
F251 terminal 3
F251 terminal 6
F251 terminal 5 1
F271 terminal 1
2 F271 terminal 2
F271 terminal 3
F271 terminal 6
F271 terminal 5 1
Continuity should exist.
PBIB2693E

EC-1428
[VK45DE]
FUEL PUMP
Revision: 2006 January2006 M35/M45
Wiring DiagramNBS005Q3
TBWT1066E