Page 2137 of 4366
TROUBLE DIAGNOSIS EC-761
[VK45DE]
C
D E
F
G H
I
J
K L
M A
EC
Revision: 2006 July 2007 FX35/FX45
1 - 6: The numbers refer to the order of inspection. Cooling
Radiator/Hose/Radiator filler cap
55555 55 45 CO-41
,
CO-45
Thermostat 5 CO-53
Water pumpCO-51
Water galleryCO-36
Cooling fan
5 CO-49
Coolant level (Low)/Contami-
nated coolant CO-38
IVIS (INFINITI Vehicle Immobilizer System —
NATS) 11
EC-714 or
BL-205
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
Page 2138 of 4366
![INFINITI FX35 2007 Service Manual EC-762
[VK45DE]
TROUBLE DIAGNOSIS
Revision: 2006 July 2007 FX35/FX45
Engine Control Component Parts LocationNBS00421
1. IPDM E/R 2. ICC brake hold relay
(ICC models only) 3. Refrigerant pressure sens INFINITI FX35 2007 Service Manual EC-762
[VK45DE]
TROUBLE DIAGNOSIS
Revision: 2006 July 2007 FX35/FX45
Engine Control Component Parts LocationNBS00421
1. IPDM E/R 2. ICC brake hold relay
(ICC models only) 3. Refrigerant pressure sens](/manual-img/42/57018/w960_57018-2137.png)
EC-762
[VK45DE]
TROUBLE DIAGNOSIS
Revision: 2006 July 2007 FX35/FX45
Engine Control Component Parts LocationNBS00421
1. IPDM E/R 2. ICC brake hold relay
(ICC models only) 3. Refrigerant pressure sensor
4. Intake valve timing control position sensor (Bank 2) 5. Intake valve timing control solenoid
valve (Bank 2) 6. Electric throttle control actuator
7. Cooling fan motor 8. Intake valve timing control solenoid valve (Bank 1) 9. Intake valve timing control position
sensor (Bank 1)
10. Camshaft position sensor (PHASE) 11. Mass air flow sensor (with intake air temperature sensor) 12. Ignition coil (with power transistor)
and spark plug (Bank 1)
13. Vacuum tank 14. VIAS control solenoid valve 15. Engine coolant temperature sensor
16. Fuel injector (Bank 1) 17. Power valve actuator 18. Knock sensor (Bank 1)
19. Knock sensor (Bank 2) 20. Fuel injector (Bank 2) 21. EVAP canister purge volume control solenoid valve
22. EVAP service port 23. Ignition coil (with power transistor) and spark plug (Bank 2)
PBIB3224E
Page 2139 of 4366
TROUBLE DIAGNOSIS EC-763
[VK45DE]
C
D E
F
G H
I
J
K L
M A
EC
Revision: 2006 July 2007 FX35/FX45
: Vehicle front
1. Mass air flow sensor (with intake air temperature sensor) 2. Camshaft position sensor (PHASE) 3. Engine coolant temperature sensor
4. Engine coolant temperature sensor sub-harness connector 5. Knock sensor (Bank 1) 6. Knock sensor (Bank 2)
7. Refrigerant pressure sensor
PBIB3225E
Page 2140 of 4366
EC-764
[VK45DE]
TROUBLE DIAGNOSIS
Revision: 2006 July 2007 FX35/FX45
: Vehicle front
1. Intake valve timing control position sensor (Bank 2) 2. Intake valve timing control solenoid
valve (Bank 2) 3. Intake valve timing control solenoid
valve (Bank 1)
4. Intake valve timing control position sensor (Bank 1) 5. Electric throttle control actuator 6. Condenser
7. Ignition coil (with power transistor) (Bank 2) 8. Ignition coil (with power transistor)
(Bank 1)
PBIB3226E
Page 2141 of 4366
TROUBLE DIAGNOSIS EC-765
[VK45DE]
C
D E
F
G H
I
J
K L
M A
EC
Revision: 2006 July 2007 FX35/FX45
: Vehicle front
1. Fuel injector (Bank 2) 2. Fuel injector (Bank 1) 3. VIAS control solenoid valve
4. Vacuum tank 5. Power valve actuator 6. EVAP canister purge volume control solenoid valve
7. EVAP service port 8. Cooling fan motor
PBIB3227E
Page 2142 of 4366
EC-766
[VK45DE]
TROUBLE DIAGNOSIS
Revision: 2006 July 2007 FX35/FX45
: Vehicle front
1. Fuel pump fuse 2. IPDM E/R 3. ICC brake hold relay (ICC models only)
4. Crankshaft position sensor (POS) 5. Power steering pressure sensor 6. EVAP canister vent control valve
7. EVAP canister 8. EVAP control system pressure sensor
PBIB3228E
Page 2143 of 4366
TROUBLE DIAGNOSIS EC-767
[VK45DE]
C
D E
F
G H
I
J
K L
M A
EC
Revision: 2006 July 2007 FX35/FX45
PBIB2710E
1. Air fuel ratio (A/F) sensor 1 (Bank 1) 2. Heated oxygen sensor 2 (Bank 1) 3. Heated oxygen sensor 2 (Bank 1)
harness connector
4. Heated oxygen sensor 2 (Bank 2) harness connector 5. Heated oxygen sensor 2 (Bank 2) 6. Air fuel ratio (A/F) sensor 1 (Bank 2)
PBIB3239E
Page 2144 of 4366
EC-768
[VK45DE]
TROUBLE DIAGNOSIS
Revision: 2006 July 2007 FX35/FX45
1. ECM 2. Accelerator pedal position sensor 3. Stop lamp switch
4. ICC brake switch (models with ICC)
ASCD brake switch
(models with ASCD) 5. Fuel level sensor unit and fuel pump
harness connector 6. ICC steering switch
(models with ICC)
ASCD steering switch
(models with ASCD)
7. MAIN switch 8. DISTANCE switch (ICC models only) 9. CANCEL switch
10. SET/COAST switch 11. RESUME/ACCELERATE switch
PBIB3229E