Infiniti I30 (A33). Manual — part 250
b)
After refilling coolant, run engine to ensure that no water-flow
noise is emitted.
c)
After checking or replacing coolant, go to step 3 below.
2)
Ask the customer if engine coolant has been added. If it has
been added, go to “Diagnostic Procedure”, EC-318. After
repair, go to the next step.
3)
Start engine and let it idle.
4)
Make sure that A/C switch is “OFF” and air conditioner is not
operating. If NG, check air conditioner circuit. Refer to HA-28,
“TROUBLE DIAGNOSES”. After repair, go to the next step.
5)
Turn ignition switch “OFF”
6)
Disconnect engine coolant temperature sensor harness con-
nector.
7)
Connect 150
Ω
resistor to engine coolant temperature sensor.
8)
Start engine and make sure that cooling fan operates.
Be careful not to overheat engine.
If NG, go to “Diagnostic Procedure”, EC-318. After repair, go
to the next step.
9)
Check for blocked coolant passage.
a)
Warm up engine to normal operating temperature, then grasp
radiator upper hose and lower hose and make sure that cool-
ant flows.
If NG, go to “Diagnostic Procedure”, EC-318. After repair, go
to the next step.
Be extremely careful not to touch any moving or adjacent
parts.
10) Check for blocked radiator air passage.
a)
When market fog lamps have been installed, check for dam-
aged fans and clogging in the condenser and radiator.
b)
Check the front end for clogging caused by insects or debris.
c)
Check for improper fitting of front-end cover, damaged radia-
tor grille or bumper, damaged vehicle front.
If NG, take appropriate action and then go to the next step.
11) Check function of ECT sensor.
Refer to step 6 of “Diagnostic Procedure”, EC-318.
If NG, replace ECT sensor and go to the next step.
12) Check ignition timing. Refer to basic inspection, EC-109.
Make sure that ignition timing is 15°
±
2° at idle.
If NG, adjust ignition timing and then recheck.
GI
MA
EM
LC
FE
AT
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
DTC P0217 COOLANT OVERTEMPERATURE ENRICHMENT PROTECTION
Overall Function Check (Cont’d)
EC-315
Wiring Diagram
NHEC0613
MEC759C
DTC P0217 COOLANT OVERTEMPERATURE ENRICHMENT PROTECTION
Wiring Diagram
EC-316
MEC879C
GI
MA
EM
LC
FE
AT
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
DTC P0217 COOLANT OVERTEMPERATURE ENRICHMENT PROTECTION
Wiring Diagram (Cont’d)
EC-317
SEF630XB
Diagnostic Procedure
NHEC0614
1
INSPECTION START
Do you have CONSULT-II?
Yes or No
Yes
©
GO TO 2.
No
©
GO TO 4.
2
CHECK COOLING FAN LOW SPEED OPERATION
With CONSULT-II
1. Disconnect cooling fan relays-2 and -3.
SEC006C
2. Turn ignition switch “ON”.
3. Perform “COOLING FAN” in “ACTIVE TEST” mode with CONSULT-II.
SEF646X
4. Make sure that cooling fans-1 and -2 operate at low speed.
OK or NG
OK
©
GO TO 3.
NG
©
Check cooling fan low speed control circuit. (Go to PROCEDURE A, EC-324.)
DTC P0217 COOLANT OVERTEMPERATURE ENRICHMENT PROTECTION
Wiring Diagram (Cont’d)
EC-318
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