Nissan Frontier D22. Manual - part 588

DTC P0217 COOLANT OVERTEMPERATURE ENRICHMENT PROTECTION

EC-1455

[VG33ER]

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EC

3. 

CHECK RADIATOR CAP

Apply pressure to cap with a tester and check radiator cap relief
pressure.

OK or NG

OK

>> GO TO 4.

NG

>> Replace radiator cap.

4. 

CHECK THERMOSTAT

1.

Check valve seating condition at normal room temperatures.
It should seat tightly.

2.

Check valve opening temperature and valve lift.

3.

Check if valve is closed at 5

°C (9°F) below valve opening tem-

perature.

For details, refer to 

CO-28, "THERMOSTAT"

 .

OK or NG

OK

>> GO TO 5.

NG

>> Replace thermostat.

5. 

CHECK ENGINE COOLANT TEMPERATURE SENSOR

Check resistance as shown in the figure.
<Reference data>

OK or NG

OK

>> GO TO 6.

NG

>> Replace engine coolant temperature sensor.

Radiator cap 
relief pressure

: 59 - 98 kPa (0.6 - 1.0 kg/cm

2

 , 9 - 14 psi)

SLC755A

Valve opening 
temperature

: 76.5

°C (170°F) [standard]

Valve lift

: More than 10 mm/90

°C (0.31 in/194°F)

SLC343

Temperature 

°C (°F)

Resistance k

Ω

20 (68)

2.1 - 2.9

50 (122)

0.68 - 1.00

90 (194)

0.236 - 0.260

SEF152P

SEF012P

EC-1456

[VG33ER]

DTC P0217 COOLANT OVERTEMPERATURE ENRICHMENT PROTECTION

6. 

CHECK MAIN 12 CAUSES

If the cause cannot be isolated, go to 

EC-1456, "Main 12 Causes of Overheating"

 .

>> INSPECTION END.

Main 12 Causes of Overheating

UBS00DWM

*1: Engine running at 3,000 rpm for 10 minutes.
*2: Drive at 90 km/h (55 MPH) for 30 minutes and then let idle for 10 minutes.
*3: After 60 minutes of cool down time.
For more information, refer to 

CO-21, "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 mixture

See 

MA-14

 .

3

●

Coolant level

●

Visual

Coolant up to MAX level 
in reservoir tank and radi-
ator filler neck

See 

MA-26

 .

4

●

Radiator cap

●

Pressure tester

59 - 98 kPa 

(0.6 - 1.0 kg/cm

2

 , 9 - 14 

psi) (Limit)

See 

CO-23

 .

ON*

1

5

●

Coolant leaks

●

Visual

No leaks

See 

CO-23

 .

ON*

1

6

●

Thermostat

●

Touch the upper and 
lower radiator hoses

Both hoses should be hot

See 

CO-28

 .

ON*

1

7

●

Cooling fan
(Crankshaft driven)

●

Visual

Operating

See 

CO-32

 .

OFF

8

●

Combustion gas leak

●

Color checker chemical 
tester 4 Gas analyzer

Negative

—

ON*

2

9

●

Coolant temperature 
gauge

●

Visual

Gauge less than 3/4 
when driving

—

●

Coolant overflow to 
reservoir tank

●

Visual

No overflow during driv-
ing and idling

See 

MA-26

 .

OFF*

3

10

●

Coolant return from 
reservoir tank to radia-
tor

●

Visual

Should be initial level in 
reservoir tank

See 

MA-14

 .

OFF

11

●

Cylinder head

●

Straight gauge feeler 
gauge

0.1 mm (0.004 in) Maxi-
mum distortion (warping)

See 

EM-102

 .

12

●

Cylinder block and pis-
tons

●

Visual

No scuffing on cylinder 
walls or piston

 See 

EM-131

 .

DTC P0299 SUPERCHARGER FUNCTION

EC-1457

[VG33ER]

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EC

DTC P0299 SUPERCHARGER FUNCTION

PFP:14110

On Board Diagnosis Logic

UBS00DWN

DTC Confirmation Procedure

UBS00DWO

NOTE:
If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at
least 5 seconds before conducting the next test.

 WITH CONSULT-II

1.

Turn ignition switch ON and select “DATA MONITOR” mode with
CONSULT-II.

2.

Start engine.

3.

Maintain the following conditions for at least 5 seconds.

4.

If 1st trip DTC is detected, go to 

EC-1458, "Diagnostic Procedure"

 .

 WITH GST

Follow the procedure “WITH CONSULT-II” above.

DTC No.

Trouble diagnosis name

DTC detecting condition

Possible cause

P0299

Supercharger function

ECM detects that amount of fuel injected is 
smaller than the specified value when super-
charger is operating.

●

Supercharger

●

Supercharger driving belt

●

Stuck open of supercharger bypass 
valve

●

Clogging, cracks or improper connection 
of vacuum hose

ENG SPEED

Model with A/T: 3,200 - 4,400 rpm (A constant 
rotation is maintained.)
Model with M/T: 3,600 - 4,400 rpm (A constant 
rotation is maintained.)

VHCL SPEED SE

More than 64 km/h (40 MPH)

THRTL POS SEN

Model with A/T: More than 2.53V
Model with M/T: More than 2.30V 

SEF058Y

EC-1458

[VG33ER]

DTC P0299 SUPERCHARGER FUNCTION

Diagnostic Procedure

UBS00DWP

1. 

CHECK SUPERCHARGER BYPASS VALVE CONTROL SOLENOID VALVE

 With CONSULT-II

1.

Stop the engine and turn ignition switch ON.

2.

Perform “SCB/V CONT SOL/V” in “ACTIVE TEST” mode.

3.

Check air passage continuity and operation delay time under the
following conditions.

 With GST

Check air passage continuity and operation delay time under the fol-
lowing conditions

OK or NG

OK

>> GO TO 2.

NG

>> Replace the supercharger bypass valve control solenoid valve.

2. 

CHECK SUPERCHARGER BYPASS VALVE ACTUATOR FOR PROPER OPERATION

1.

Stop the engine

2.

Start the engine and keep it at idle speed.

3.

Stop the engine again.

4.

Check the supercharger bypass valve actuator operation when the engine starts and stops.

Yes or No

Yes

>> GO TO 3.

No

>> Replace supercharger bypass valve actuator.

PBIB1439E

Conditions

Air passage continuity 

between A and B

Air passage continuity 

between A and C

ON

Yes

No

OFF

No

Yes

PBIB1434E

Conditions

Air passage continuity 

between A and B

Air passage continuity 

between A and C

12V direct current supply 
between terminals 1 and 
2

Yes

No

No supply

No

Yes

PBIB1435E

Does supercharge bypass valve actuator 
operate properly?