2005 NISSAN X-TRAIL Service Repair Manual

Page 729 of 4555

NISSAN X-TRAIL 2005  Service Repair Manual DTC P1143 HO2S1
EC-325
[QR (WITH EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
MA
EC
 
2. RETIGHTEN HEATED OXYGEN SENSOR 1
Loosen and retighten heated oxygen sensor 1.
>> GO TO 3.
3. CLEAR THE SELF-LEARNING DATA
 Wi

Page 730 of 4555

NISSAN X-TRAIL 2005  Service Repair Manual EC-326
[QR (WITH EURO-OBD)]
DTC P1143 HO2S1
 
5. CHECK HEATED OXYGEN SENSOR 1
Refer to EC-326, "
Component Inspection" .
OK or NG
OK >> GO TO 6.
NG >> Replace heated oxygen sensor 1.
6. CHECK INTERMIT

Page 731 of 4555

NISSAN X-TRAIL 2005  Service Repair Manual DTC P1143 HO2S1
EC-327
[QR (WITH EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
MA
EC
 
Before installing new oxygen sensor, clean exhaust system threads using Oxygen Sensor Thread
Cleaner tool and approved anti-sei

Page 732 of 4555

NISSAN X-TRAIL 2005  Service Repair Manual EC-328
[QR (WITH EURO-OBD)]
DTC P1144 HO2S1
 
DTC P1144 HO2S1PFP:22690
Component DescriptionEBS010SB
The heated oxygen sensor 1 is placed into the exhaust manifold. It
detects the amount of oxygen in

Page 733 of 4555

NISSAN X-TRAIL 2005  Service Repair Manual DTC P1144 HO2S1
EC-329
[QR (WITH EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
MA
EC
 
DTC Confirmation ProcedureEBS010SE
CAUTION:
Always drive vehicle at a safe speed.
NOTE:
If DTC Confirmation Procedure has been p

Page 734 of 4555

NISSAN X-TRAIL 2005  Service Repair Manual EC-330
[QR (WITH EURO-OBD)]
DTC P1144 HO2S1
 
 WITH GST
1. Start engine and warm it up to normal operating temperature.
2. Set voltmeter probes between ECM terminal 35 (HO2S1 signal) and ground.
3. Ch

Page 735 of 4555

NISSAN X-TRAIL 2005  Service Repair Manual DTC P1144 HO2S1
EC-331
[QR (WITH EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
MA
EC
 
2. RETIGHTEN HEATED OXYGEN SENSOR 1
Loosen and retighten heated oxygen sensor 1.
>> GO TO 3.
3. CLEAR THE SELF-LEARNING DATA
 Wi

Page 736 of 4555

NISSAN X-TRAIL 2005  Service Repair Manual EC-332
[QR (WITH EURO-OBD)]
DTC P1144 HO2S1
 
4. CHECK HO2S1 CONNECTOR FOR WATER
1. Turn ignition switch OFF.
2. Disconnect heated oxygen sensor 1 harness connector.
3. Check connectors for water.
OK