2011 NISSAN TIIDA cooling

COOLING FANEC-427
< COMPONENT DIAGNOSIS > [HR16DE]
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Diagnosis ProcedureINFOID:0000000005930114
1.CHECK IPDM E/R POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R harness connector E44.
BBWA3001E
Revision: May 2010 2011 Versa

EC-428
< COMPONENT DIAGNOSIS >[HR16DE]
COOLING FAN
3. Check the voltage between IPDM E/R harness connector and
ground.
OK or NG
OK >> GO TO 3.
NG >> GO TO 2.
2.DETECT MALFUNCTIONING PART
Check the following.
• 50 A fusible link (letter J)
• Harness for open or short between IPDM E/R and battery
>> Repair open circuit or short to ground in harness or connectors.
3.CHECK IPDM E/R GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R harness connectors E46 and E48.
3. Check the continuity between IPDM E/R harness connector and ground.
4. Also check harness for short to power.
OK or NG
OK (Models with A/C)>>GO TO 4.
OK (Models without A/C)>>GO TO 6.
NG >> Repair open circuit or short to power in harness or connectors.
4.CHECK COOLING FAN MOTOR CIRCUIT
1. Disconnect cooling fan motor harness connector.
2. Check the continuity between IPDM E/R harness connector and cooling fan motor harness connector.
3. Check the continuity between cooling fan motor harness connector and ground.
4. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 8.
NG >> GO TO 5.
5.DETECT MALFUNCTIONING PART
Check the following.
IPDM E/R Ground Voltage
Connector Terminal
E44 22 Ground Battery voltage
PBIB2067E
IPDM E/R Ground Continuity
Connector Terminal
E46 39 Ground Existed
E48 59
IPDM E/R Cooling fan motor
Continuity
Connector Terminal Connector Terminal
E44 20
E3 1 Existed
24
Cooling fan motor Ground Continuity
Connector Terminal
E3 2 Ground Existed
Revision: May 2010 2011 Versa

COOLING FANEC-429
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• Harness for open or short between cooling fan motor and IPDM E/R
• Harness for open or short between cooling fan motor and ground
•Resistor E5
>> Repair open circuit or short to ground or short to power in harness or connectors.
6.CHECK COOLING FAN MOTOR CIRCUIT
1. Disconnect cooling fan motor harness connector.
2. Check the continuity between IPDM E/R harne ss connector and cooling fan motor harness connector.
3. Check the continuity between cooling fan motor harness connector and ground.
4. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 8.
NG >> GO TO 7.
7.DETECT MALFUNCTIONING PART
Check the following.
• Harness for open or short between cooling fan motor and IPDM E/R
• Harness for open or short between cooling fan motor and ground
>> Repair open circuit or short to ground or short to power in harness or connectors.
8.CHECK COOLING FAN MOTOR
Refer to EC-429, "
Component Inspection".
OK or NG
OK >> GO TO 9.
NG >> Replace cooling fan motor. Refer to CO-19, "
Removal and Installation".
9.CHECK INTERMITTENT INCIDENT
Perform EC-122, "
Diagnosis Procedure".
OK or NG
OK >> Replace IPDM E/R. Refer to PG-28, "Removal and Installation of IPDM E/R".
NG >> Repair or replace harness or connector.
Component InspectionINFOID:0000000005930115
COOLING FAN MOTOR
Model with A/C
IPDM E/R Cooling fan motor
Continuity
Connector Terminal Connector Terminal
E44 20
E3 1
Existed
23 3
24 2
Cooling fan motor Ground Continuity
Connector Terminal
E3 4 Ground Existed
Revision: May 2010 2011 Versa

EC-430
< COMPONENT DIAGNOSIS >[HR16DE]
COOLING FAN
1. Disconnect cooling fan motor harness connectors.
2. Supply cooling fan motor terminals with battery voltage and
check operation.
Cooling fan motor should operate.
If NG, replace cooling fan motor. Refer to CO-19, "
Removal and
Installation".
Models without A/C
1. Disconnect cooling fan motor harness connectors.
2. Supply cooling fan motor terminals with battery voltage and
check operation.
Cooling fan motor should operate.
If NG, replace cooling fan motor. Refer to CO-19, "
Removal and Installation".
Te r m i n a l s
(+) (-)
Cooling fan motor 12
SEF888V
Speed terminals
(+) (− )
Cooling fan motor Low 14
23
High 1 and 2 3 and 4
SEF734W
Revision: May 2010 2011 Versa

EC-460
< COMPONENT DIAGNOSIS >[HR16DE]
REFRIGERANT PRESSURE SENSOR
REFRIGERANT PRESSURE SENSOR
DescriptionINFOID:0000000005930146
The refrigerant pressure sensor is installed at the condenser of the air conditioner system. The sensor uses an
electrostatic volume pressure transducer to convert refrigerant pressure to voltage. The voltage signal is sent
to ECM, and ECM controls cooling fan system.
Component Function CheckINFOID:0000000005930147
1.CHECK REFRIGERANT PRESSURE SENSOR OVERALL FUNCTION
1. Start engine and warm it up to normal operating temperature.
2. Turn A/C switch and blower fan switch ON.
3. Check the voltage between ECM harness connector and ground.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Go to EC-461, "
Diagnosis Procedure".
PBIB2657E
ECM Ground Voltage
Connector Terminal
F11 41
(Refrigerant pressure sensor signal) Ground 1.0 - 4.0V
PBIA9574J
Revision: May 2010
2011 Versa

EC-466
< ECU DIAGNOSIS >[HR16DE]
ECM
*: Accelerator pedal position sensor 2 signal and throttle position sensor 2 signal are converted by ECM internally. Thus, they
differ from
ECM terminals voltage signal.
TERMINAL LAYOUT
PHYSICAL VALUES
NOTE:
• ECM is located in the engine room left side near battery.
• Specification data are reference values and are measured between each terminal and ground.
• Pulse signal is measured by CONSULT-III.
CAUTION:
Do not use ECM ground terminals when measuring input/output voltage. Doi ng so may result in dam-
age to the ECMs transistor. Use a ground ot her than ECM terminals, such as the ground.
COOLING FAN• Engine: After warning up, idle the
engine
• Air conditioner switch: OFF Engine coolant temperature is 98
°C
(208 °F) or less OFF
Engine coolant temperature is between
98 °C (208 °F) and 99 °C (210 °F) LOW
Engine coolant temperature is 100 °C
(212 °F) or more HIGH
HO2S2 HTR (B1) • Engine speed: Below 3,600 rpm after the following conditions are met.
- Engine: After warming up
- Keeping the engine speed between 3,500 and 4,000 rpm for 1 minute and at
idle for 1 minute under no load ON
VEHICLE SPEED • Turn drive wheels and compare CONSULT-III value with the speedometer in-
dication. Almost the same speed as
the speedometer indication
IDL A/V LEARN • Engine: running Idle air volume learning has not been per-
formed yet.
YET
Idle air volume learning has already been
performed successfully. CMPLT
TRVL AFTER MIL • Ignition switch: ON Vehicle has traveled after MIL has turned
ON.0 - 65,535 km
(0 - 40,723 miles)
A/F S1 HTR (B1) • Engine: After warming up, idle the engine 40 - 100%
AC PRESS SEN • Engine: Idle
• Both A/C switch and blower fan switch: ON (Compressor operates)
1.0 - 4.0 V
HO2 S2 DIAG2(B1) NOTE:
The item is indicated, but not used. —
A/F SEN1
DIAG2(B1) NOTE:
The item is indicated, but not used.
—
Monitor Item
Condition Values/Status
PBIA9221J
Revision: May 2010 2011 Versa

EC-476
< ECU DIAGNOSIS >[HR16DE]
ECM
DTC RELATED ITEM
Detected itemsEngine operating condition in
fail-safe mode Remarks
Malfunction indicator
lamp circuit Engine speed will not rise
more than 2,500 rpm due to
the fuel cut When there is an open circuit on MIL circuit, the ECM cannot warn the driver by
lighting up MIL when there is malfunction on engine control system.
Therefore, when electrical controlled throttle and part of ECM related diagnoses
are continuously detected as NG for 5 trips, ECM warns the driver that engine
control system malfunctions and MIL circuit is open by means of operating fail-
safe function.
The fail-safe function also operates when above diagnoses except MIL circuit
are detected and demands the driver to repair the malfunction.
DTC No. Detected items
Engine operating condition in fail-safe mode
P0011 Intake valve timing control The signal is not energized to the intake valve timing control solenoid valve and the valve control does not function.
P0102
P0103 Mass air flow sensor circuit Engine speed will not rise more than 2,400 rpm due to the fuel cut.
P0117
P0118 Engine coolant tempera-
ture sensor circuit Engine coolant temperature will be determined by ECM based on the following condition.
CONSULT-III displays the engine coolant temperature decided by ECM.
Condition Engine coolant temperature decided
(CONSULT-III display)
Just as ignition switch is turned ON
or START 40
°C (104 °F)
More than approx. 4 minutes after
engine starting 80
°C (176 °F)
Except as shown above 40 - 80
°C (104 - 176 °F)
(Depends on the time)
When the fail-safe system for engine coolant temperature sensor is activated, the cooling
fan operates while engine is running.
P0122
P0123
P0222
P0223
P2135 Throttle position sensor The ECM controls the electric throttle control actuator in regulating the throttle opening in
order for the idle position to be within +10 degrees.
The ECM regulates the opening speed of the throttle valve to be slower than the normal
condition.
So, the acceleration will be poor.
P0643 Sensor power supply ECM stops the electric throttle control actuator control, throttle valve is maintained at a fixed opening (approx. 5 degrees) by the return spring.
P0605 ECM (When ECM calculation function is malfunctioning:)
ECM stops the electric throttle control actuator control, throttle valve is maintained at a
fixed opening (approx. 5 degrees) by the return spring.
P1805 Brake switch ECM controls the electric throttle control actuator by regulating the throttle opening to a
small range.
Therefore, acceleration will be poor.
Vehicle condition Driving condition
When engine is idling Normal
When accelerating Poor acceleration
P2100
P2103 Throttle control motor relay ECM stops the electric throttle control actuator control, throttle valve is maintained at a
fixed opening (approx. 5 degrees) by the return spring.
P2101 Electric throttle control function ECM stops the electric throttle control actuator control, throttle valve is maintained at a
fixed opening (approx. 5 degrees) by the return spring.
P2118 Throttle control motor ECM stops the electric throttle control actuator control, throttle valve is maintained at a fixed opening (approx. 5 degrees) by the return spring.
Revision: May 2010 2011 Versa

ENGINE CONTROL SYSTEM SYMPTOMSEC-491
< SYMPTOM DIAGNOSIS > [HR16DE]
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1 - 6: The numbers refer to the order of inspection. Va l v e
mecha-
nism
Timing chain
55555 55 5 EM-49
Camshaft
EM-59
Intake valve timing controlEM-49
Intake valve
3EM-76
Exhaust valve
Exhaust Exhaust manifold/Tube/Muf- fler/Gasket 55555 55 5 EM-30
EX-4Three way catalyst
Lubrica-
tion Oil pan/Oil strainer/Oil pump/ Oil filter/Oil gallery/Oil cooler 55555 55 5EM-39
EM-42
LU-7
LU-9
Oil level (Low)/Filthy oil
LU-7
Cooling Radiator/Hose/Radiator filler
cap
55555 55 45 CO-14
CO-14
Thermostat
5CO-23
Water pump CO-21
Water galleryCO-9
Cooling fan
5CO-19
Coolant level (Low)/Contami-
nated coolant
CO-9
NVIS (NISSAN Vehicle Immobilizer Sys-
tem — NATS)11
BL-255
SYMPTOM
Reference page
HARD/NO START/RESTART (EXCP. HA)
ENGINE STALL
HESITATION/SURGING/FLAT SPOT
SPARK KNOCK/DETONATION
LACK OF POWER/POOR ACCELERATION
HIGH IDLE/LOW IDLE
ROUGH IDLE/HUNTING
IDLING VIBRATION
SLOW/NO RETURN TO IDLE
OVERHEATS/WATER TEMPERATURE HIGH
EXCESSIVE FUEL CONSUMPTION
EXCESSIVE OIL CONSUMPTION
BATTERY DEAD (UNDER CHARGE)
Warranty symptom code A
A AB AC AD AE AF AG AH AJ AK AL AM HA
Revision: May 2010
2011 Versa