2001 NISSAN ALMERA TINO Service Repair Manual

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Page 1305 of 3051

NISSAN ALMERA TINO 2001 Service Repair Manual SEF093X
Component DescriptionNLEC1596The ECM consists of a microcomputer, and connectors for signal
input and output and for power supply. The ECM controls the
engine.
On Board Diagnosis LogicNLEC1597

Page 1306 of 3051

NISSAN ALMERA TINO 2001 Service Repair Manual Diagnostic Procedure=NLEC1599
1 INSPECTION START
With CONSULT-II
1. Turn ignition switch ªONº.
2. Select ªSELF DIAG RESULTSº mode with CONSULT-II.
3. Touch ªERASEº.
4. Perform ªDTC Confirmation

Page 1307 of 3051

NISSAN ALMERA TINO 2001 Service Repair Manual System DescriptionNLEC1618COOLING FAN CONTROLNLEC1618S01
Sensor Input Signal to ECMECM func-
tionActuator
Vehicle speed sensor Vehicle speed
Cooling fan
controlCooling fan relay(s) Engine coolant temp

Page 1308 of 3051

NISSAN ALMERA TINO 2001 Service Repair Manual MONITOR ITEM CONDITION SPECIFICATION
COOLING FAN+After warming up engine, idle
the engine.
+Air conditioner switch: OFFEngine coolant temperature is less
than 95ÉC (203ÉF)OFF
Engine coolant temperat

MONITOR ITEM CONDITION SPECIFICATION
COOLING FAN+After warming up engine, idle
the engine.
+Air conditioner switch: OFFEngine coolant temperature is less
than 95ÉC (203ÉF)OFF
Engine coolant temperature is
95ÉC (203ÉF) and 105ÉC (221ÉF)LOW
Engine coolant temperature is
105ÉC (221ÉF) or moreHIGH
ECM Terminals and Reference ValueNLEC1769Specification 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.
TERMI-
NAL
NO.WIRE
COLORITEM CONDITION DATA (DC Voltage)
12 LG/B Cooling fan relay (High)[Engine is running]
+Cooling fan is not operatingBATTERY VOLTAGE
(11 - 14V)
[Engine is running]
+Cooling fan (High) is operating0 - 0.6V
13 LG/R Cooling fan relay (Low)[Engine is running]
+Cooling fan is not operatingBATTERY VOLTAGE
(11 - 14V)
[Engine is running]
+Cooling fan is operating0 - 0.6V
On Board Diagnosis LogicNLEC1770If 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.
Diagnostic
Trouble Code
No.Malfunction is detected when ...Check Items
(Possible Cause)
P1217
1217+Cooling fan does not operate properly (Overheat).
+Cooling fan system does not operate properly (Over-
heat).
+Engine coolant was not added to the system using the
proper filling method.+Harness or connectors
(The cooling fan circuit is open or shorted.)
+Cooling fan
+Radiator hose
+Radiator
+Radiator cap
+Water pump
+Thermostat
For more information, refer to ªMAIN 12 CAUSES
OF OVERHEATINGº, EC-898.
CAUTION:
When a malfunction is indicated, be sure to replace the coolant following the procedure in the LC-19,
ªChanging Engine Coolantº. Also, replace the 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-20, ªAnti-freeze Coolant Mixture Ratioº, ªRECOM-
MENDED FLUIDS AND LUBRICANTSº.
2) After refilling coolant, run engine to ensure that no water-flow noise is emitted.
DTC P1217 OVERHEAT (COOLING SYSTEM)SR20DE
CONSULT-II Reference Value in Data Monitor Mode (Cont'd)
EC-883

Page 1309 of 3051

NISSAN ALMERA TINO 2001 Service Repair Manual SEF621W
SEF111X
SEC163BA
MEC475B
Overall Function CheckNLEC1771Use this procedure to check the overall function of the cooling fan.
During this check, a DTC might not be confirmed.
WARNING:
Never remo

SEF621W
SEF111X
SEC163BA
MEC475B
Overall Function CheckNLEC1771Use this procedure to check the overall function of the cooling fan.
During this check, a DTC might not be confirmed.
WARNING:
Never remove the radiator cap when the engine is hot. Serious
burns could be caused by high pressure 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.
With CONSULT-II
1) Check the coolant level in the reservoir tank and radiator.
Allow engine to cool before checking coolant level.
If the coolant level in the reservoir tank and/or radiator is below
the proper range, skip the following steps and go to ªDiagnos-
tic Procedureº, EC-887.
2) Confirm whether customer filled the coolant or not. If customer
filled the coolant, skip the following steps and go to ªDiagnos-
tic Procedureº, EC-887.
3) Turn ignition switch ªONº.
4) Perform ªCOOLING FANº in ªACTIVE TESTº mode with CON-
SULT-II.
5) If the results are NG, go to ªDiagnostic Procedureº, EC-887.
Without CONSULT-II
1) Check the coolant level in the reservoir tank and radiator.
Allow engine to cool before checking coolant level.
If the coolant level in the reservoir tank and/or radiator is below
the proper range, skip the following steps and go to ªDiagnos-
tic Procedureº, EC-887.
2) Confirm whether customer filled the coolant or not. If customer
filled the coolant, skip the following steps and go to ªDiagnos-
tic Procedureº, EC-887.
3) Start engine.
Be careful not to overheat engine.
4) Set temperature control lever to full cold position.
5) Turn air conditioner switch ªONº.
6) Turn blower fan switch ªONº.
7) Run engine at idle for a few minutes with air conditioner oper-
ating.
Be careful not to overheat engine.
8) Make sure that cooling fan operates at low speed.
If NG, go to ªDiagnostic Procedureº, EC-887.
If OK, go to the following step.
9) Turn ignition switch ªOFFº.
10) Turn air conditioner switch and blower fan switch ªOFFº.
11) Disconnect engine coolant temperature sensor harness con-
nector.
12) Connect 150Wresistor to engine coolant temperature sensor
harness connector.
13) Restart engine and make sure that cooling fan operates at
higher speed than low speed.
Be careful not to overheat engine.
14) If NG, go to ªDiagnostic Procedureº, EC-887.
DTC P1217 OVERHEAT (COOLING SYSTEM)SR20DE
On Board Diagnosis Logic (Cont'd)
EC-884

Page 1310 of 3051

NISSAN ALMERA TINO 2001 Service Repair Manual Wiring DiagramNLEC1623MODELS WITH FUSE AND FUSIBLE LINK BOX E43NLEC1623S03
YEC706
DTC P1217 OVERHEAT (COOLING SYSTEM)SR20DE
Wiring Diagram
EC-885

Page 1311 of 3051

NISSAN ALMERA TINO 2001 Service Repair Manual MODELS WITH FUSE AND FUSIBLE LINK BOX E90NLEC1623S04
YEC927
DTC P1217 OVERHEAT (COOLING SYSTEM)SR20DE
Wiring Diagram (Contd)
EC-886

Page 1312 of 3051

NISSAN ALMERA TINO 2001 Service Repair Manual Diagnostic ProcedureNLEC1772
1 INSPECTION START
Do you have CONSULT-II?
YesorNo
Ye s©GO TO 2.
No©GO TO 4.
2 CHECK COOLING FAN LOW SPEED OPERATION
With CONSULT-II
1. Turn ignition switch ªONº.
2. S

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