Infiniti FX35 / FX45. Manual — part 568

DTC P1217 ENGINE OVER TEMPERATURE

EC-1033

< SERVICE INFORMATION >

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9.

Start engine and make sure that cooling fan operates at higher
speed than middle speed.
Be careful not to overheat engine.

10. If NG, go to

EC-1035, "Diagnosis Procedure"

.

SEF882V

EC-1034

< SERVICE INFORMATION >

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DTC P1217 ENGINE OVER TEMPERATURE

Wiring Diagram

INFOID:0000000001326900

TBWM1349E

DTC P1217 ENGINE OVER TEMPERATURE

EC-1035

< SERVICE INFORMATION >

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Diagnosis Procedure

INFOID:0000000001326901

1.

CHECK COOLING FAN (CRANKSHAFT DRIVEN)

1.

Start engine and let id idle.

2.

Make sure that cooling fan (crankshaft driven) operates normally.

OK or NG

OK (With CONSULT-III)>>GO TO 2.

TBWM0255E

EC-1036

< SERVICE INFORMATION >

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DTC P1217 ENGINE OVER TEMPERATURE

OK (Without CONSULT-III)>>GO TO 4.
NG

>> Check cooling fan (crankshaft driven). Refer to

CO-48

.

2.

CHECK COOLING FAN MIDDLE SPEED OPERATION

With CONSULT-III

1.

Start engine and let it idle.

2.

Select “COOLING FAN” in “ACTIVE TEST” mode with CONSULT-III, and touch “MID” on the CONSULT-III
screen.

3.

Make sure that cooling fan operates.

OK or NG

OK

>> GO TO 3.

NG

>> Check cooling fan middle speed control circuit. (Go to "PROCEDURE A".)

3.

CHECK COOLING FAN HIGH SPEED OPERATION

With CONSULT-III

1.

Select “COOLING FAN” in “ACTIVE TEST” mode with CONSULT-III and touch “HI” on the CONSULT-III
screen.

2.

Make sure that cooling fan operates at higher speed than middle speed.

OK or NG

OK

>> GO TO 6.

NG

>> Check cooling fan high speed control circuit. (Go to "PROCEDURE B".)

4.

CHECK COOLING FAN MIDDLE SPEED OPERATION

Without CONSULT-III

1.

Disconnect engine coolant temperature sensor harness connector.

2.

Connect 200

Ω

resistor to engine coolant temperature sensor harness connector.

3.

Start engine and let it idle.

4.

Make sure that cooling fan operates.

OK or NG

OK

>> GO TO 5.

NG

>> Check cooling fan middle speed control circuit. (Go to

"PROCEDURE A".)

5.

CHECK COOLING FAN HIGH SPEED OPERATION

Without CONSULT-III

1.

Disconnect 200

Ω

resister to the engine coolant temperature sensor harness connector.

2.

Connect 150

Ω

resistor to engine coolant temperature sensor harness connector.

3.

Start engine and let it idle.

4.

Make sure that cooling fan operates at higher speed than middle
speed.

OK or NG

OK

>> GO TO 6.

NG

>> Check cooling fan control circuit. (Go to "PROCEDURE

B".)

6.

CHECK COOLING SYSTEM FOR LEAK

PBIB0965E

SEF882V