Nissan Tiida C11. Manual — part 492
EC-618
< COMPONENT DIAGNOSIS >
[HR16DE (WITHOUT EURO-OBD)]
HO2S2
Is the inspection result normal?
YES
>> GO TO 8.
NO
>> GO TO 7.
7.
REPLACE HEATED OXYGEN SENSOR 2
Replace heated oxygen sensor 2.
CAUTION:
• Discard any heated oxygen sensor which has been dropped from a height of more than 0.5 m (19.7
in) onto a hard surface such as a concrete floor; use a new one.
• Before installing new oxygen sensor, clean exhaust system threads using Oxygen Sensor Thread
Cleaner tool and approved anti-seize lubricant.
>> INSPECTION END
8.
CHECK INTERMITTENT INCIDENT
GI-55, "Intermittent Incident"
>> INSPECTION END
Component Inspection
INFOID:0000000001697502
1.
INSPECTION START
Do you have CONSULT-III?
Do you have CONSULT-III?
YES
>> GO TO 2.
NO
>> GO TO 3.
2.
CHECK HEATED OXYGEN SENSOR 2
With CONSULT-III
1.
Turn ignition switch ON and select “DATA MONITOR” mode with CONSULT-III.
2.
Start engine and warm it up to the normal operating temperature.
3.
Turn ignition switch OFF and wait at least 10 seconds.
4.
Start engine and keep the engine speed between 3,500 and 4,000 rpm for at least 1 minute under no load.
5.
Let engine idle for 1 minute.
6.
Select “FUEL INJECTION” in “ACTIVE TEST” mode, and select “HO2S2 (B1)” as the monitor item with
CONSULT-III.
7.
Check “HO2S2 (B1)” at idle speed when adjusting “FUEL INJECTION” to
±
25%.
“HO2S2 (B1)” should be above 0.68V at least once when the “FUEL INJECTION” is +25%.
“HO2S2 (B1)” should be below 0.50V at least once when the “FUEL INJECTION” is
−
25%.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> GO TO 6.
3.
CHECK HEATED OXYGEN SENSOR 2-I
Without CONSULT-III
1.
Start engine and warm it up to the normal operating temperature.
2.
Turn ignition switch OFF and wait at least 10 seconds.
3.
Start engine and keep the engine speed between 3,500 and 4,000 rpm for at least 1 minute under no load.
PBIB0551E
HO2S2
EC-619
< COMPONENT DIAGNOSIS >
[HR16DE (WITHOUT EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
4.
Let engine idle for 1 minute.
5.
Check the voltage between ECM harness connector and ground under the following condition.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> GO TO 4.
4.
CHECK HEATED OXYGEN SENSOR 2-II
Check the voltage between ECM harness connector and ground under the following condition.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> GO TO 5.
5.
CHECK HEATED OXYGEN SENSOR 2-III
Check the voltage between ECM harness connector and ground under the following condition.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> GO TO 6.
6.
REPLACE HEATED OXYGEN SENSOR 2
Replace heated oxygen sensor 2.
CAUTION:
• Discard any heated oxygen sensor which has been dropped from a height of more than 0.5 m (19.7
in) onto a hard surface such as a concrete floor; use a new one.
• Before installing new oxygen sensor, clean exhaust system threads using Oxygen Sensor Thread
Cleaner tool and approved anti-seize lubricant.
>> INSPECTION END
ECM
Ground
Condition
Voltage
Connector
Terminal
F8
50
(HO2S2 signal)
Ground
Revving up to 4,000 rpm under no load at
least 10 times
The voltage should be above 0.68V at
least once during this procedure.
The voltage should be below 0.50V at least
once during this procedure.
ECM
Ground
Condition
Voltage
Connector
Terminal
F8
50
(HO2S2 signal)
Ground
Keeping engine speed at idle for 10 min-
utes
The voltage should be above 0.68V at
least once during this procedure.
The voltage should be below 0.50V at least
once during this procedure.
ECM
Ground
Condition
Voltage
Connector
Terminal
F8
50
(HO2S2 signal)
Ground
Coasting from 80 km/h (50 MPH) in 4th
gear position
The voltage should be above 0.68V at
least once during this procedure.
The voltage should be below 0.50V at least
once during this procedure.
EC-620
< COMPONENT DIAGNOSIS >
[HR16DE (WITHOUT EURO-OBD)]
HO2S2 HEATER
HO2S2 HEATER
Description
INFOID:0000000001697503
SYSTEM DESCRIPTION
The ECM performs ON/OFF control of the heated oxygen sensor 2 heater corresponding to the engine speed,
amount of intake air and engine coolant temperature.
OPERATION
Component Function Check
INFOID:0000000001697504
1.
CHECK HEATED OXYGEN SENSOR 2 HRATER FUNCTION
1.
Start engine and warm it up to the normal operating temperature.
2.
Turn ignition switch OFF and wait at least 10 seconds.
3.
Start engine and let it idle.
4.
Check the voltage between ECM harness connector and ground under the following condition.
: Average voltage for pulse signal (Actual pulse signal can be confirmed by oscilloscope.)
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Go to
Diagnosis Procedure
INFOID:0000000001697505
1.
CHECK GROUND CONNECTION
1.
Turn ignition switch OFF.
2.
Check ground connection E21. Refer to Ground Inspection in
.
Is the inspection result normal?
YES
>> GO TO 2.
Sensor
Input signal to ECM
ECM function
Actuator
Camshaft position sensor (PHASE)
Crankshaft position sensor (POS)
Engine speed
Heated oxygen sensor 2
heater control
Heated oxygen sensor 2 heater
Engine coolant temperature sensor
Engine coolant temperature
Mass air flow sensor
Amount of intake air
Engine speed rpm
Heated oxygen sensor 2 heater
Above 3,900
OFF
Below 3,900 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
ECM
Ground
Condition
Voltage signal
Connector
Terminal
F7
5
(HO2S2 heater signal)
Ground
At idle
Approx. 10V
Engine speed: Above 3,900 rpm
BATTERY VOLTAGE
(11 - 14V)
JMBIA0325GB
HO2S2 HEATER
EC-621
< COMPONENT DIAGNOSIS >
[HR16DE (WITHOUT EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
NO
>> Repair or replace ground connection.
2.
CHECK HO2S2 POWER SUPPLY CIRCUIT
1.
Disconnect HO2S2 harness connector.
2.
Turn ignition switch ON.
3.
Check the voltage between HO2S2 harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> GO TO 3.
3.
DETECT MALFUNCTIONING PART
Check the following.
• IPDM E/R connector E11
• 10A fuse (No. 56)
• Harness for open or short between heated oxygen sensor 2 and fuse
>> Repair open circuit or short to ground or short to power in harness or connectors.
4.
CHECK HO2S2 OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1.
Turn ignition switch OFF.
2.
Disconnect ECM harness connector.
3.
Check the continuity between HO2S2 harness connector and ECM harness connector.
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 F121, E7
• Harness for open or short between heated oxygen sensor 2 and ECM
>> Repair open circuit or short to ground or short to power in harness or connectors.
6.
CHECK HO2S2 HEATER
EC-622, "Component Inspection"
Is the inspection result normal?
YES
>> GO TO 8.
NO
>> GO TO 7.
7.
REPLACE HEATED OXYGEN SENSOR 2
Replace heated oxygen sensor 2.
CAUTION:
• Discard any heated oxygen sensor which has been dropped from a height of more than 0.5 m (19.7
in) onto a hard surface such as a concrete floor; use a new one.
• Before installing new oxygen sensor, clean exhaust system threads using Oxygen Sensor Thread
Cleaner tool and approved anti-seize lubricant.
HO2S2
Ground
Voltage
Connector
Terminal
E58
2
Ground
Battery voltage
HO2S2
ECM
Continuity
Connector
Terminal
Connector
Terminal
E58
3
F7
5
Existed
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