Nissan Note [1112/1872] Dtc p1144 ho2s1

Nissan Note [1112/1872] Dtc p1144 ho2s1
EC-1112
[HR (WITH EURO-OBD)]
DTC P1144 HO2S1
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.
Without CONSULT-II
1. Start engine and warm it up to normal operating temperature.
2. Set voltmeter probes between ECM terminal 49 (HO2S1 signal) and ground.
3. Check the following with engine speed held at 2,000 rpm con-
stant under no load.
The voltage fluctuates between 0 to 0.3V and 0.6 to 1.0V
more than 5 times within 10 seconds.
The maximum voltage is over 0.6V at least 1 time.
The minimum voltage is below 0.3V at least 1 time.
The voltage never exceeds 1.0V.
1 time: 0 - 0.3V 0.6 - 1.0V 0 - 0.3V
2 times: 0 - 0.3V 0.6 - 1.0V 0 - 0.3V 0.6 - 1.0V
0 - 0.3V
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.
Removal and Installation
BBS004GA
HEATED OXYGEN SENSOR 1
Refer to EM-124, "EXHAUST MANIFOLD" .
SEF648Y
PBIA9566J

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