2003 NISSAN ALMERA N16 Electronic Repair Manual

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NISSAN ALMERA N16 2003  Electronic Repair Manual HO2S1
EC-647
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HO2S1PFP:22690
Component DescriptionEBS00KKR
The  heated  oxygen  sensor  1  is  placed  into  the  exhaust  manifold. It
detects  the  a

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NISSAN ALMERA N16 2003  Electronic Repair Manual EC-648
[QG (WITHOUT EURO-OBD)]
HO2S1
Wiring Diagram
EBS00KKT
YEC314A

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NISSAN ALMERA N16 2003  Electronic Repair Manual HO2S1
EC-649
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Specification data are reference values and are measured between each terminal and ground.
CAUTION:
Do not use ECM ground terminals when

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NISSAN ALMERA N16 2003  Electronic Repair Manual EC-650
[QG (WITHOUT EURO-OBD)]
HO2S1
4. RETIGHTEN GROUND SCREWS
1. Turn ignition switch “OFF”.
2. Loosen and retighten engine ground screws.
>> GO TO 5.
5. RETIGHTEN HEATED OXYGEN SENSOR 1
Loosen

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NISSAN ALMERA N16 2003  Electronic Repair Manual HO2S1
EC-651
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8.CHECK HO2S1 GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch “OFF”.
2. Disconnect HO2S1 harness connector.
3. Disconnect E

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NISSAN ALMERA N16 2003  Electronic Repair Manual EC-652
[QG (WITHOUT EURO-OBD)]
HO2S1
14. CHECK INTERMITTENT INCIDENT
Refer to EC-485, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
>>INSPECTION END
Component InspectionEBS00KKV
HEATED OXYG

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NISSAN ALMERA N16 2003  Electronic Repair Manual HO2S1
EC-653
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 Without CONSULT-II
1. Start engine and warm it up to normal operating temperature.
2. Set voltmeter probes between ECM terminal 35 (HO2S

Page 984 of 3189

NISSAN ALMERA N16 2003  Electronic Repair Manual EC-654
[QG (WITHOUT EURO-OBD)]
HO2S2
HO2S2
PFP:226A0
Component DescriptionEBS00KKX
The  heated  oxygen  sensor  2,  after  three  way  catalyst  (manifold),
monitors the oxygen level in the exhaust ga