Nissan Tiida C11. Instruction — part 495
EC-630
< COMPONENT DIAGNOSIS >
[HR16DE (WITHOUT EURO-OBD)]
MALFUNCTION INDICATOR
MALFUNCTION INDICATOR
Description
INFOID:0000000001693444
The Malfunction Indicator (MI) is located on the combination meter.
The MI will light up when the ignition switch is turned ON without the
engine running. This is a bulb check.
When the engine is started, the MI should go off. If the MI remains
on, the on board diagnostic system has detected an engine system
malfunction.
For details, refer to
Component Function Check
INFOID:0000000001693445
1.
CHECK MI FUNCTION
1.
Turn ignition switch ON.
2.
Make sure that MI lights up.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Go to
Diagnosis Procedure
INFOID:0000000001693446
1.
CHECK DTC
Check that DTC U1000 or U1001 is not displayed.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Perform trouble diagnosis for DTC U1000, U1001. Refer to
2.
CHECK DTC WITH COMBINATION METER
MWI-22, "CONSULT-III Function (METER/M&A)"
.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace.
3.
CHECK INTERMITTENT INCIDENT
GI-55, "Intermittent Incident"
Is the inspection result normal?
YES
>> Replace combination meter.
NO
>> Repair or replace.
SAT652J
POSITIVE CRANKCASE VENTILATION
EC-631
< COMPONENT DIAGNOSIS >
[HR16DE (WITHOUT EURO-OBD)]
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POSITIVE CRANKCASE VENTILATION
Description
INFOID:0000000001693447
This system returns blow-by gas to the intake manifold.
The positive crankcase ventilation (PCV) valve is provided to conduct crankcase blow-by gas to the intake
manifold.
During partial throttle operation of the engine, the intake manifold sucks the blow-by gas through the PCV
valve.
Normally, the capacity of the valve is sufficient to handle any blow-by and a small amount of ventilating air.
The ventilating air is then drawn from the air inlet tubes into the crankcase. In this process the air passes
through the hose connecting air inlet tubes to rocker cover.
Under full-throttle condition, the manifold vacuum is insufficient to draw the blow-by flow through the valve.
The flow goes through the hose connection in the reverse direction.
On vehicles with an excessively high blow-by, the valve does not
meet the requirement. This is because some of the flow will go
through the hose connection to the air inlet tubes under all condi-
tions.
Component Inspection
INFOID:0000000001693448
1.
CHECK PCV VALVE
With engine running at idle, remove PCV valve from rocker cover. A
properly working valve makes a hissing noise as air passes through
it. A strong vacuum should be felt immediately when a finger is
placed over valve inlet.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace PCV valve.
PBIB0492E
PBIB1588E
PBIB1589E
EC-632
< COMPONENT DIAGNOSIS >
[HR16DE (WITHOUT EURO-OBD)]
REFRIGERANT PRESSURE SENSOR
REFRIGERANT PRESSURE SENSOR
Description
INFOID:0000000001693449
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 Check
INFOID:0000000001693450
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 terminals as follows.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Go to
Diagnosis Procedure
INFOID:0000000001693451
1.
CHECK GROUND CONNECTION
1.
Turn A/C switch and blower fan switch OFF.
2.
Stop engine.
3.
Turn ignition switch OFF.
4.
Check ground connection E15. Refer to Ground Inspection in
.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace ground connection.
2.
CHECK REFRIGERANT PRESSURE SENSOR POWER SUPPLY CIRCUIT
1.
Disconnect refrigerant pressure sensor harness connector.
2.
Turn ignition switch ON.
3.
Check the voltage between refrigerant pressure sensor harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> GO TO 3.
PBIB2657E
(+)
(–)
Voltage
Connector
Terminal
Connector
Terminal
F11
41
(Refrigerant pressure sensor signal)
F11
48
1.0 - 4.0V
Refrigerant pressure sensor
Ground
Voltage
Connector
Terminal
E17
3
Ground
Approx. 5V
REFRIGERANT PRESSURE SENSOR
EC-633
< COMPONENT DIAGNOSIS >
[HR16DE (WITHOUT EURO-OBD)]
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3.
DETECT MALFUNCTIONING PART
Check the following.
• Harness connectors E8, F8
• Harness for open or short between ECM and refrigerant pressure sensor
>> Repair open circuit or short to ground or short to power in harness or connectors.
4.
CHECK REFRIGERANT PRESSURE SENSOR GROUND CIRCUIT FOR OPEN AND SHORT
1.
Turn ignition switch OFF.
2.
Disconnect ECM harness connector.
3.
Check the continuity between refrigerant pressure sensor harness connector and ECM harness connec-
tor.
4.
Also check harness for short to ground and short to power.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> GO TO 5.
5.
DETECT MALFUNCTIONING PART
Check the following.
• Harness connectors E8, F8
• Harness for open or short between ECM and refrigerant pressure sensor
>> Repair open circuit or short to ground or short to power in harness or connectors.
6.
CHECK REFRIGERANT PRESSURE SENSOR INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1.
Check the continuity between ECM harness connector and refrigerant pressure sensor harness connec-
tor.
2.
Also check harness for short to ground and short to power.
Is the inspection result normal?
YES
>> GO TO 8.
NO
>> GO TO 7.
7.
DETECT MALFUNCTIONING PART
Check the following.
• Harness connectors E8, F8
• Harness for open or short between ECM and refrigerant pressure sensor
>> Repair open circuit or short to ground or short to power in harness or connectors.
8.
CHECK INTERMITTENT INCIDENT
GI-55, "Intermittent Incident"
.
Is the inspection result normal?
YES
>> Replace refrigerant pressure sensor.
NO
>> Repair or replace.
Refrigerant pressure sensor
ECM
Continuity
Connector
Terminal
Connector
Terminal
E17
1
F11
48
Existed
Refrigerant pressure sensor
ECM
Continuity
Connector
Terminal
Connector
Terminal
E17
2
F11
41
Existed
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