2007 INFINITI M35 engine hose

DTC P1217 ENGINE OVER TEMPERATURE
EC-1215
[VK45DE]
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Revision: 2007 April2007 M35/M45
Cooling Fan Motor
Cooling fan motor receives cooling fan motor operating voltage from
cooling fan control module (1). The revolution speed of cooling fan
motor is controlled by duty cycle of the voltage.

: Vehicle front

Cooling fan motor-2 (2)

Cooling fan motor-1 (3)
CONSULT-II Reference Value in Data Monitor ModeNBS005KR
Specification data are reference values.
On Board Diagnosis LogicNBS005KS
If the cooling fan or another component in the cooling system malfunctions, engine coolant temperature will
rise.
When the engine coolant temperature reaches an abnormally high temperature condition, a malfunction is
indicated.
This self-diagnosis has the one trip detection logic.
CAUTION:
When a malfunction is indicated, be sure to replace the coolant. Refer to CO-40, "
Changing Engine
Coolant" . Also, replace the engine oil. Refer to LU-28, "Changing Engine Oil" .
1. Fill radiator with coolant up to specified level with a filling speed of 2 liters per minute. Be sure to
use coolant with the proper mixture ratio. Refer to MA-13, "
Anti-Freeze Coolant Mixture Ratio" .
2. After refilling coolant, run engine to ensure that no water-flow noise is emitted.
Overall Function CheckNBS005KT
Use this procedure to check the overall function of the cooling fan. During this check, a DTC might not be con-
firmed.
WARNING:
Never remove the radiator cap when the engine is hot. Serious burns could be caused by high pres-
sure fluid escaping from the radiator.
Wrap a thick cloth around cap. Carefully remove the cap by turning it a quarter turn to allow built-up
pressure to escape. Then turn the cap all the way off.
PBIB3346E
MONITOR ITEM CONDITION SPECIFICATION
FAN DUTY

Engine: Running 0 - 100%
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P1217
1217Engine over temperature
(Overheat)

Cooling fan does not operate properly (Over-
heat).

Cooling fan system does not operate properly
(Overheat).

Engine coolant was not added to the system
using the proper filling method.

Engine coolant is not within the specified
range.

Harness or connectors
(The cooling fan circuit is open or
shorted.)

IPDM E/R

Cooling fan control module

Cooling fan motor

Radiator hose

Radiator

Radiator cap

Water pump

Thermostat

Water control valve
For more information, refer to EC-1223,
"Main 13 Causes of Overheating" .

DTC P1217 ENGINE OVER TEMPERATURE
EC-1219
[VK45DE]
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Revision: 2007 April2007 M35/M45
Diagnostic ProcedureNBS005KV
1. CHECK COOLING FAN OPERATION
With CONSULT-II
1. Turn ignition switch ON.
2. Perform “FAN DUTY CONTROL” in “ACTIVE TEST” mode with
CONSULT-II.
3. Make sure that cooling fan speed varies according to the per-
cent.
Without CONSULT-II
1. Perform IPDM E/R auto active test and check cooling fan motors
operation, refer to PG-23, "
Auto Active Test" .
2. Make sure that cooling fan operates.
OK or NG
OK >> GO TO 2.
NG >> GO TO 6.
2. CHECK COOLING SYSTEM FOR LEAK
Apply pressure to the cooling system with a tester, and check if the
pressure drops.
CAUTION:
Higher than the specified pressure may cause radiator damage.
Pressure should not drop.
OK or NG
OK >> GO TO 3.
NG >> Check the following for leak. Refer to CO-40, "
LEAK
CHECK" .

Hose

Radiator

Water pump
3. CHECK RADIATOR CAP
Apply pressure to cap with a tester.
OK or NG
OK >> GO TO 4.
NG >> Replace radiator cap.
PBIB2737E
Testing pressure: 157 kPa (1.6 kg/cm2 , 23 psi)
PBIC1528E
Radiator cap relief pressure:
59 - 98 kPa (0.6 - 1.0 kg/cm
2 , 9 - 14
psi)
SLC755A

DTC P1217 ENGINE OVER TEMPERATURE
EC-1223
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Revision: 2007 April2007 M35/M45
16. CHECK INTERMITTENT INCIDENT
Perform EC-857, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
OK or NG
OK >> Replace IPDM E/R. Refer to PG-18, "IPDM E/R (INTELLIGENT POWER DISTRIBUTION MOD-
ULE ENGINE ROOM)" .
NG >> Repair or replace harness connectors.
Main 13 Causes of OverheatingNBS005KW
*1: Turn the ignition switch ON.
*2: Engine running at 3,000 rpm for 10 minutes.
*3: Drive at 90 km/h (55 MPH) for 30 minutes and then let idle for 10 minutes.
*4: After 60 minutes of cool down time.
For more information, refer to CO-36, "
OVERHEATING CAUSE ANALYSIS" . Engine Step Inspection item Equipment Standard Reference page
OFF 1

Blocked radiator

Blocked condenser

Blocked radiator grille

Blocked bumper

Visual No blocking —
2

Coolant mixture
Coolant tester 50 - 50% coolant mixtureMA-13
3
Coolant level
Visual Coolant up to MAX level
in reservoir tank and radi-
ator filler neckCO-40
4
Radiator cap
Pressure tester 59 - 98 kPa
(0.6 - 1.0 kg/cm2 , 9 - 14
psi) (Limit)CO-45
ON*25
Coolant leaks
Visual No leaksCO-40
ON*26
Thermostat
Touch the upper and
lower radiator hosesBoth hoses should be hotCO-55
ON*17
Cooling fan
CONSULT-II Operating See trouble diagnosis for
DTC P1217 (EC-1214
).
OFF 8

Combustion gas leak
Color checker chemical
tester 4 Gas analyzerNegative —
ON*
39
Coolant temperature
gauge
Visual Gauge less than 3/4
when driving—

Coolant overflow to
reservoir tank
Visual No overflow during driving
and idlingCO-40
OFF*410
Coolant return from
reservoir tank to radia-
tor
Visual Should be initial level in
reservoir tankCO-40
OFF 11
Water control valve
Remove and inspect
the valveWithin the specified valueCO-55
OFF 12
Cylinder head
Straight gauge feeler
gauge0.1 mm (0.004 in) Maxi-
mum distortion (warping)EM-235
13
Cylinder block and pis-
tons
Visual No scuffing on cylinder
walls or pistonEM-252

FUEL PUMP
EC-1397
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Revision: 2007 April2007 M35/M45
Specification data are reference values and are measured between each terminal and ground.
CAUTION:
Do not use ECM ground terminals when measuring input/output voltage. Doing so may result in dam-
age to the ECM's transistor. Use a ground other than ECM terminals, such as the ground.
Diagnostic ProcedureNBS005Q4
1. CHECK OVERALL FUNCTION
1. Turn ignition switch ON.
2. Pinch fuel feed hose (1) with two fingers.
OK or NG
OK >>INSPECTION END
NG >> GO TO 2.
2. CHECK FUEL PUMP POWER SUPPLY CIRCUIT-I
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Turn ignition switch ON.
4. Check voltage between ECM terminal 113 and ground with
CONSULT-II or tester.
OK or NG
OK >> GO TO 5.
NG >> GO TO 3.
TER-
MINAL
NO.WIRE
COLORITEM CONDITION DATA (DC Voltage)
38 G/BFuel pump control module
(FPCM) check[When cranking engine]Approximately 0V
[Engine is running]

Warm-up condition

Idle speed4 - 6V
39 B/RFuel pump control module
(FPCM)[When cranking engine]0 - 0.5V
[Engine is running]

Warm-up condition

Idle speed8 - 12V
113 GR Fuel pump relay[Ignition switch: ON]

For 1 second after turning ignition switch ON
[Engine is running]0 - 1.5V
[Ignition switch: ON]

More than 1 second after turning ignition
switch ONBATTERY VOLTAGE
(11 - 14V)
Fuel pressure pulsation should be felt on the fuel feed
hose for 1 second after ignition switch is turned ON.
PBIB2721E
Voltage: Battery voltage
PBIB1187E

EC-1434
[VK45DE]
VIAS
Revision: 2007 April2007 M35/M45
2. CHECK VACUUM EXISTENCE
With CONSULT-II
1. Stop engine and disconnect vacuum hose connected to power valve actuator.
2. Start engine and let it idle.
3. Perform “VIAS SOL VALVE” in “ACTIVE TEST” mode with CON-
SULT-II.
4. Turn VIAS control solenoid valve ON and OFF, and check vac-
uum existence under the following conditions.
OK or NG
OK >> Repair or replace power valve actuator.
NG >> GO TO 4.
3. CHECK VACUUM EXISTENCE
Without CONSULT-II
1. Stop engine and disconnect vacuum hose connected to power valve actuator.
2. Disconnect VIAS control solenoid valve (1) harness connector.
–: Vehicle front
3. Start engine and let it idle.
4. Apply 12V of direct current between VIAS control solenoid valve
terminals 1 and 2.
5. Check vacuum existence under the following conditions.
OK or NG
OK >> Repair or replace power valve actuator.
NG >> GO TO 4.
VIAS SOL VALVE Vacuum
ON Should exist.
OFF Should not exist.
PBIB0844E
PBIB2694E
Condition Vacuum
12V direct current supply Should exist.
No supply Should not exist.
PBIB0845E

VIAS
EC-1435
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Revision: 2007 April2007 M35/M45
4. CHECK VACUUM HOSE
1. Stop engine.
2. Check hoses and tubes between intake manifold and power
valve actuator for crack, clogging, improper connection or dis-
connection. Refer to EC-814, "
Vacuum Hose Drawing" .
OK or NG
OK >> GO TO 5.
NG >> Repair hoses or tubes.
5. CHECK VACUUM TANK
Refer to EC-1436, "
Component Inspection" .
OK or NG
OK >> GO TO 6.
NG >> Replace vacuum tank.
6. CHECK VIAS CONTROL SOLENOID VALVE POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect VIAS control solenoid valve (1) harness connector.
–: Vehicle front
3. Turn ignition switch ON.
4. Check voltage between terminal 1 and ground with CONSULT-II
or tester.
OK or NG
OK >> GO TO 8.
NG >> GO TO 7.
7. DETECT MALFUNCTIONING PART
Check the following.

Harness connectors E12, F3

Harness continuity between IPDM E/R and VIAS control solenoid valve
>> Repair open circuit or short to ground or short to power in harness or connectors.
SEF109L
PBIB2694E
Voltage: Battery voltage
PBIB0173E

EI-4
PREPARATION
Revision: 2007 April2007 M35/M45
PREPARATIONPFP:00002
Special Service ToolsNIS00248
The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.
Commercial Service ToolsNIS00249
Tool number
(Kent-Moore No.)
Tool nameDescription
(J-39570)
Chassis earLocation the noise
(J-43980)
NISSAN Squeak and Rattle
KitRepairing the cause of noise
SIIA0993E
SIIA0994E
Tool nameDescription
Engine earLocation the noise
Power tool
SIIA0995E
PIIB1407E

FRONT FINAL DRIVE ASSEMBLY
FFD-13
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FFD
Revision: 2007 April2007 M35/M45
FRONT FINAL DRIVE ASSEMBLYPFP:38500
Removal and InstallationNDS000EU
COMPONENTS
REMOVAL
1. Remove front drive shaft both. Refer to FA X - 11 , "Removal and Installation" .
2. Remove front crossbar with power tool.
3. Separate steering outer socket and steering knuckle. Refer to PS-19, "
POWER STEERING GEAR AND
LINKAGE" .
4. Remove side shaft.
5. Remove three way catalyst (right bank) with power tool. Refer to EX-3, "
EXHAUST SYSTEM" .
6. Remove front propeller shaft. Refer to PR-5, "
Removal and Installation" .
7. Separate EPS solenoid valve connector.
8. Separate power steering hydraulic line.
9. Remove stabilizer assembly with power tool. Refer to FSU-36, "
Removal and Installation" .
10. Separate steering lower joint and steering gear assembly. Refer to PS-19, "
POWER STEERING GEAR
AND LINKAGE" .
11. Set a suitable jack to engine.
12. Remove front suspension member with power tool. Refer to FSU-27, "
Removal and Installation" .
13. Remove breather hose and tube.
14. Remove engine mounting bracket (RH) (Lower) and engine mounting insulator (RH) with power tool.
Refer to EM-119, "
Removal and Installation (AWD Models)" .
1. Front final drive assembly 2. Side shaft 3. Bushing
4. Front propeller shaft 5. Breather hose 6. Breather tube
7. Breather connector 8. Engine mounting bracket (RH)
(Lower)9. Engine mounting insulator (RH)
Refer to GI-11, "
Components" , for the symbols in the figure.
PDIA0789J