INFINITI M35 2007 Factory Service Manual

EC-102
[VQ35DE]
TROUBLE DIAGNOSIS
Revision: 2007 April2007 M35/M45
1 - 6: The numbers refer to the order of inspection.Exhaust Exhaust manifold/Tube/Muffler/
Gasket
55555 55 5EM-28
, EX-
3Three way catalyst
Lubrica-
tionOil pan/Oil strainer/Oil pump/Oil
filter/Oil gallery/Oil cooler
55555 55 5EM-31
, LU-
19 , LU-11 ,
LU-15
Oil level (Low)/Filthy oilLU-7
Cooling
Radiator/Hose/Radiator filler cap
55555 55 45CO-14,
CO-18
Thermostat 5CO-29
Water pumpCO-24
Water galleryCO-31
Cooling fan
5CO-22
Coolant level (Low)/Contami-
nated coolantCO-11
IVIS (INFINITI Vehicle Immobilizer System —
NATS)11EC-53 or
BL-244
SYMPTOM
Reference
page
HARD/NO START/RESTART (EXCP. HA)
ENGINE STALL
HESITATION/SURGING/FLAT SPOT
SPARK KNOCK/DETONATION
LACK OF POWER/POOR ACCELERATION
HIGH IDLE/LOW IDLE
ROUGH IDLE/HUNTING
IDLING VIBRATION
SLOW/NO RETURN TO IDLE
OVERHEATS/WATER TEMPERATURE HIGH
EXCESSIVE FUEL CONSUMPTION
EXCESSIVE OIL CONSUMPTION
BATTERY DEAD (UNDER CHARGE)
Warranty symptom code AA AB AC AD AE AF AG AH AJ AK AL AM HA

TROUBLE DIAGNOSIS
EC-103
[VQ35DE]
C
D
E
F
G
H
I
J
K
L
MA
EC
Revision: 2007 April2007 M35/M45
Engine Control Component Parts LocationNBS004T2
1. IPDM E/R 2. ICC brake hold relay
(ICC models only)3. Battery current sensor
4. Cooling fan relay 5. Power steering pressure sensor 6. Refrigerant pressure sensor
7. Intake valve timing control solenoid
valve (bank 1)8. Cooling fan motor-2 9. Cooling fan control module
10. Intake valve timing control solenoid
valve (bank 2)11. Cooling fan motor-1 12. Mass air flow sensor
(with built in intake air temperature
sensor)
13. Ignition coil (with power transistor)
and spark plug (bank 2)14. Camshaft position sensor (PHASE)
(Bank 2)15. Electric throttle control actuator
(with built in throttle position sensor,
throttle control motor)
16. Fuel injector (bank 2) 17. Knock sensor 18. Fuel injector (bank 1)
19. EVAP canister purge volume con-
trol solenoid valve20. Camshaft position sensor (PHASE)
(Bank 1)21. Engine coolant temperature sensor
22. Ignition coil (with power transistor)
and spark plug (bank 1)23. EVAP service port
PBIB2781E

EC-104
[VQ35DE]
TROUBLE DIAGNOSIS
Revision: 2007 April2007 M35/M45
: Vehicle front
1. Mass air flow sensor
(with built in intake air temperature
sensor)2. Electric throttle control actuator
(with built in throttle position sensor,
throttle control motor)3. Cooling fan motor-1
4. Cooling fan motor-2 5. Cooling fan control module 6. Refrigerant pressure sensor har-
ness connector
7. PCV valve 8. Engine coolant temperature sensor
harness connector9. Fuel dumper
PBIB3351E

TROUBLE DIAGNOSIS
EC-105
[VQ35DE]
C
D
E
F
G
H
I
J
K
L
MA
EC
Revision: 2007 April2007 M35/M45
: Vehicle front
1. Knock sensor 2. Fuel damper 3. Camshaft position sensor (PHASE)
(Bank 1)
4. Fuel injector harness connector 5. Condenser 6. Fuel damper
7. Camshaft position sensor (PHASE)
(Bank 2)8. Fuel pump fuse 9. IPDM E/R
PBIB2788E

EC-106
[VQ35DE]
TROUBLE DIAGNOSIS
Revision: 2007 April2007 M35/M45
: Vehicle front
1. Power steering pressure sensor 2. Intake valve timing control solenoid
valve3. Ignition coil harness connector
(Bank 1)
4. Ignition coil harness connector
(Bank 2)5. Intake valve timing control solenoid
valve6. EVAP service port
7. EVAP canister purge volume con-
trol solenoid valve
PBIB2789E

TROUBLE DIAGNOSIS
EC-107
[VQ35DE]
C
D
E
F
G
H
I
J
K
L
MA
EC
Revision: 2007 April2007 M35/M45
: Vehicle front
1. Crankshaft position sensor (POS) 2. ICC brake hold relay
(ICC models only)3. EVAP canister vent control valve
4. EVAP control system pressure sen-
sor5. EVAP canister 6. Cooling fan relay
7. Battery current sensor
PBIB2790E

EC-108
[VQ35DE]
TROUBLE DIAGNOSIS
Revision: 2007 April2007 M35/M45
PBIB1907E
PBIB2188E

TROUBLE DIAGNOSIS
EC-109
[VQ35DE]
C
D
E
F
G
H
I
J
K
L
MA
EC
Revision: 2007 April2007 M35/M45
1. ECM 2. Data link connector 3. Accelerator pedal position sensor
4. Stop lamp switch 5. ICC brake switch
(models with ICC)
ASCD brake switch
(models with ASCD)6. ICC steering switch
(models with ICC)
ASCD steering switch
(models with ASCD)
7. RESUME/ACCELERATE switch 8. SET/COAST switch 9. CANCEL switch
10. DISTANCE switch
(ICC models only)11. MAIN switch
PBIB2680E

EC-110
[VQ35DE]
TROUBLE DIAGNOSIS
Revision: 2007 April2007 M35/M45
: Vehicle front
1. Fuel level sensor unit and fuel pump
harness connector2. Fuel level sensor unit and fuel pump 3. Fuel pressure regulator
4. Fuel tank temperature sensor 5. FPCM 6. Dropping resistor
PBIB2681E

TROUBLE DIAGNOSIS
EC-111
[VQ35DE]
C
D
E
F
G
H
I
J
K
L
MA
EC
Revision: 2007 April2007 M35/M45
Vacuum Hose DrawingNBS004T3
Refer to EC-30, "System Diagram" for Vacuum Control System.
: Vehicle front : From EVAP canister
1. Intake manifold collector 2. EVAP canister purge volume control
solenoid valve
NOTE:
Do not use soapy water or any type of solvent while installing vacuum hoses or purge hoses.
PBIB2791E