2009 NISSAN LATIO Service Repair Manual

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Page 2241 of 4331

NISSAN LATIO 2009 Service Repair Manual EC
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DTC P1148 CLOSED LOOP CONTROL
On Board Diagnosis Logic INFOID:0000000004537392
This self-diagnosis has the on e trip detection logic.
NOTE:
DTC P1148 is displayed with another DTC fo r air fue

Page 2242 of 4331

NISSAN LATIO 2009 Service Repair Manual EC-886< SERVICE INFOMATION >
[MR TYPE 1]
DTC P1217 ENGINE
OVER TEMPERATURE
DTC P1217 ENGINE OVER TEMPERATURE
System Description INFOID:0000000004537393
SYSTEM DESCRIPTION
NOTE:
• If DTC P1217 is

Page 2243 of 4331

NISSAN LATIO 2009 Service Repair Manual EC
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Cooling Fan Relay Operation
The ECM controls cooling fan relays in the IPDM E/R through CAN communication line.
CONSULT-III Reference Val ue in Data Monitor Mode INFOID:0000000004537394
Specif

EC
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Cooling Fan Relay Operation
The ECM controls cooling fan relays in the IPDM E/R through CAN communication line.
CONSULT-III Reference Val ue in Data Monitor Mode INFOID:0000000004537394
Specification data are reference values.
On Board Diagnosis Logic INFOID:0000000004537395
If the cooling fan or another component in the cooli ng 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 on e trip detection logic.
CAUTION:
When a malfunction is in dicated, be sure to replace the coolant. Refer to CO-35, " Changing Engine
Coolant " . Also, replace the engine oil. Refer to
LU-17, " 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-15, " Anti-freeze Coolant Mixture Ratio " .
2. After refilling coolant, run engine to ensure that no water-flow noise is emitted.
Overall Function Check INFOID:0000000004537396
Use this procedure to check the overall function of the cooling fan. During this check, a DTC might not be con-
firmed.
WARNING: Cooling fan speed
Cooling fan relay
1 2 3
Stop (OFF) OFF OFF OFF
Low (LOW) ON OFF OFF
High (HI) ON ON ON MONITOR ITEM CONDITION SPECIFICATION
AIR COND SIG • Engine: After warming up, idle
the engine Air conditioner switch: OFF OFF
Air conditioner switch: ON
(Compressor operates.) ON
COOLING FAN • Engine: After warming up, idle
the engine
• Air conditioner switch: OFF Engine coolant temperature: 97
°C
(207 °F) or less OFF
Engine coolant temperature: Between
98 °C (208 °F) and 99 °C (210 °F) LOW
Engine coolant temperature: 100 °C
(212 °F) or more HIGHDTC No. Trouble diagnosis name DTC detecting condition Possible cause
P1217
1217 Engine 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
(Cooling fan circuit is open or shorted.)
• Cooling fan
• IPDM E/R (Cooling fan relays)
• Radiator hose
• Radiator
• Reservoir tank
• Radiator cap
• Water pump
• Thermostat
• Water control valve
For more information, refer to EC-893, " Main 13 Causes of Overheating " .

Page 2244 of 4331

NISSAN LATIO 2009 Service Repair Manual EC-888< SERVICE INFOMATION >
[MR TYPE 1]
DTC P1217 ENGINE
OVER TEMPERATURE
Never remove the radiator cap when the engine is hot. Serious burns could be caused by high pres-
sure flui

Page 2245 of 4331

NISSAN LATIO 2009 Service Repair Manual DTC P1217 ENGINE OVER TEMPERATURE
EC-889
< SERVICE INFOMATION >
[MR TYPE 1] C
D E
F
G H
I
J
K L
M A EC
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Wiring Diagram
INFOID:0000000004537397 BBWA2997E

Page 2246 of 4331

NISSAN LATIO 2009 Service Repair Manual EC-890< SERVICE INFOMATION >
[MR TYPE 1]
DTC P1217 ENGINE
OVER TEMPERATURE
Diagnosis Procedure INFOID:00000000045373981.
INSPECTION START
Do you have CONSULT-III?
Yes or No Yes >> GO TO 2.
No >>

Page 2247 of 4331

NISSAN LATIO 2009 Service Repair Manual EC
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O OK >> GO TO 4.
NG >> GO TO 8. Auto Active Test " .
2. Make sure that cooling fan operates at each speed.
OK or NG OK >> GO TO 4.
NG >> GO TO 8. Inspection " .
OK or NG OK >> GO TO 5.
NG >> Che

Page 2248 of 4331

NISSAN LATIO 2009 Service Repair Manual EC-892< SERVICE INFOMATION >
[MR TYPE 1]
DTC P1217 ENGINE
OVER TEMPERATURE
3. Check voltage between IPDM E/R terminal 22 and ground with CONSULT-III or tester.
OK or NG OK >> GO TO 10.
NG >>

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