2003 NISSAN X-TRAIL Electronic Repair Manual

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NISSAN X-TRAIL 2003  Electronic Repair Manual HO2S1
EC-583
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Diagnostic ProcedureEBS00B8M
1.CHECK OVERALL FUNCTION
With CONSULT-II
1. Start engine and warm it up to normal operating temperature.
2.

Page 1698 of 3066

NISSAN X-TRAIL 2003  Electronic Repair Manual EC-584
[QR (WITHOUT EURO-OBD)]
HO2S1
3.CHECK HO2S1 GROUND CIRCUIT FOR OPEN AND SHORT
1. Disconnect HO2S1 harness connector.
2. Check harness continuity between HO2S1 terminal 3 and
ground.
Refer to Wi

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NISSAN X-TRAIL 2003  Electronic Repair Manual HO2S1
EC-585
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3. Select “HO2S1 (B1)” and “HO2S1 MNTR (B1)”.
4. Hold engine speed at 2,000 rpm under no load during the follow-
ing steps.
5. To

Page 1700 of 3066

NISSAN X-TRAIL 2003  Electronic Repair Manual EC-586
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HO2S1
Removal and Installation
EBS00B8O
HEATED OXYGEN SENSOR 1
Refer toEM-22, "EXHAUST MANIFOLD AND THREE WAY CATALYST".

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NISSAN X-TRAIL 2003  Electronic Repair Manual HO2S2
EC-587
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HO2S2PFP:226A0
Component DescriptionEBS00B8P
The heated oxygen sensor 2, after three way catalyst, monitors the
oxygen level in the exhau

Page 1702 of 3066

NISSAN X-TRAIL 2003  Electronic Repair Manual EC-588
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HO2S2
Wiring Diagram
EBS00B8S
TBWA0076E

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NISSAN X-TRAIL 2003  Electronic Repair Manual HO2S2
EC-589
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Diagnostic ProcedureEBS00B8T
1.CHECK OVERALL FUNCTION-I
1. Start engine and drive the vehicle at over 70 km/h (43 MPH) for 2 consecutive

Page 1704 of 3066

NISSAN X-TRAIL 2003  Electronic Repair Manual EC-590
[QR (WITHOUT EURO-OBD)]
HO2S2
4.CHECK HO2S2 GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch “OFF”.
2. Disconnect heated oxygen sensor 2 harness connector.
3. Check harness continu