INFINITI M35 2007 Factory Service Manual

EC-802
[VK45DE]
TROUBLE DIAGNOSIS
Revision: 2007 April2007 M35/M45
1 - 6: The numbers refer to the order of inspection.
(continued on next page)
SYSTEM — ENGINE MECHANICAL & OTHER
ECM 22333333333EC-1186,
EC-1190
Intake valve timing control solenoid valve cir-
cuit32 13223 3EC-899
PNP switch circuit 3 3 3 3 3EC-1198
Refrigerant pressure sensor circuit 2 3 3 4EC-1424
Electrical load signal circuit 3EC-1387
Air conditioner circuit 223333333 3 2AT C - 4 0
VIAS control solenoid valve circuit 1EC-1302
ABS actuator and electric unit (control unit) 4BRC-10
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
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
Fuel Fuel tank
5
5FL-10
Fuel piping 5 5 5 5 5 5EM-193
Vapor lock—
Valve deposit
5 555 55 5—
Poor fuel (Heavy weight gaso-
line, Low octane)—

TROUBLE DIAGNOSIS
EC-803
[VK45DE]
C
D
E
F
G
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MA
EC
Revision: 2007 April2007 M35/M45
Air Air duct
55555 5EM-177
Air cleanerEM-177
Air leakage from air duct
(Mass air flow sensor — electric
throttle control actuator)
5555EM-177
Electric throttle control actuatorEM-179
Air leakage from intake manifold/
Collector/GasketEM-179
Cranking Battery
111111
11SC-4
Generator circuitSC-20
Starter circuit 3SC-8
Signal plate 6EM-252
PNP switch 4AT- 11 3
Engine Cylinder head
55555 55 5EM-235
Cylinder head gasket 4 3
Cylinder block
66666 66 64
EM-252
Piston
Piston ring
Connecting rod
Bearing
Crankshaft
Va l v e
mecha-
nismTiming chain
55555 55 5EM-203
CamshaftEM-215
Intake valve timing controlEM-215
Intake valve
3EM-235
Exhaust valve
Exhaust Exhaust manifold/Tube/Muffler/
Gasket
55555 55 5EM-183
,
EX-3
Three way catalyst
Lubrica-
tionOil pan/Oil strainer/Oil pump/Oil
filter/Oil gallery
55555 55 5EM-187
,
LU-31
, LU-
30
Oil level (Low)/Filthy oilLU-27
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

EC-804
[VK45DE]
TROUBLE DIAGNOSIS
Revision: 2007 April2007 M35/M45
1 - 6: The numbers refer to the order of inspection.Cooling
Radiator/Hose/Radiator filler cap
55555 55 45CO-43
,
CO-47
Thermostat 5CO-55
Water pumpCO-53
Water galleryCO-38
Cooling fan
5CO-51
Coolant level (Low)/Contami-
nated coolantCO-40
IVIS (INFINITI Vehicle Immobilizer System —
NATS)11EC-755 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-805
[VK45DE]
C
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EC
Revision: 2007 April2007 M35/M45
Engine Control Component Parts LocationNBS005AI
1. IPDM E/R 2. ICC brake hold relay
(ICC models only)3. Battery current sensor
4. Cooling fan relay 5. Refrigerant pressure sensor 6. Intake valve timing control position
sensor (bank 2)
7. Vacuum tank 8. Cooling fan motor-2 9. Intake valve timing control solenoid
valve (bank 2)
10. Cooling fan control module 11. Electric throttle control actuator 12. Intake valve timing control solenoid
valve (bank 1)
13. Cooling fan motor-1 14. Intake valve timing control position
sensor (bank 1)15. Camshaft position sensor (PHASE)
16. Mass air flow sensor
(with intake air temperature sensor)17. Ignition coil (with power transistor)
and spark plug (bank 1)18. VIAS control solenoid valve
19. Fuel injector (bank 1) 20. Engine coolant temperature sensor 21. Power valve actuator
22. Knock sensor (bank 1) 23. Knock sensor (bank 2) 24. Fuel injector (bank 2)
25. EVAP canister purge volume control
solenoid valve26. EVAP service port 27. Ignition coil (with power transistor)
and spark plug (bank 2)
PBIB2674E

EC-806
[VK45DE]
TROUBLE DIAGNOSIS
Revision: 2007 April2007 M35/M45
: Vehicle front
1. Mass air flow sensor 2. Camshaft position sensor (PHASE) 3. Engine coolant temperature sensor
sub-harness connector
4. Engine coolant temperature sensor 5. Battery current sensor 6. Refrigerant pressure sensor
PBIB2675E

TROUBLE DIAGNOSIS
EC-807
[VK45DE]
C
D
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F
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H
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J
K
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MA
EC
Revision: 2007 April2007 M35/M45
: Vehicle front
1. Knock sensor (bank 1) 2. Knock sensor (bank 2) 3. Electric throttle control actuator
4. Intake valve timing control position
sensor (bank 2)5. Intake valve timing control position
sensor (bank 1)6. Intake valve timing control solenoid
valve (bank 2)
7. Intake valve timing control solenoid
valve (bank 1)
PBIB2676E

EC-808
[VK45DE]
TROUBLE DIAGNOSIS
Revision: 2007 April2007 M35/M45
: Vehicle front
1. Fuel injector (bank 2) 2. Fuel injector (bank 1) 3. Ignition coil (with power transistor)
(bank 2)
4. Ignition coil (with power transistor)
(bank 1)5. Condenser 6. Fuel pump fuse
7. IPDM E/R
PBIB2677E

TROUBLE DIAGNOSIS
EC-809
[VK45DE]
C
D
E
F
G
H
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J
K
L
MA
EC
Revision: 2007 April2007 M35/M45
: Vehicle front
1. VIAS control solenoid valve 2. Power valve actuator 3. Vacuum tank
4. ICC brake hold relay
(ICC models only)5. Cooling fan control module 6. Cooling fan motor-2
7. Cooling fan motor-1 8. Cooling fan relay
PBIB3347E

EC-810
[VK45DE]
TROUBLE DIAGNOSIS
Revision: 2007 April2007 M35/M45
: Vehicle front
1. EVAP canister purge volume control
solenoid valve2. EVAP service port 3. EVAP canister vent control valve
4. EVAP control system pressure sensor 5. EVAP canister 6. Crankshaft position sensor (POS)
7. Power steering pressure sensor
PBIB2679E

TROUBLE DIAGNOSIS
EC-811
[VK45DE]
C
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EC
Revision: 2007 April2007 M35/M45
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 connector5. Heated oxygen sensor 2 (bank 2) 6. Air fuel ratio (A/F) sensor 1 (bank 2)
PBIB2711E