2003 NISSAN X-TRAIL Electronic Repair Manual

Page 1681 of 3066

NISSAN X-TRAIL 2003  Electronic Repair Manual DTC P1805 BRAKE SWITCH
EC-567
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2. Check continuity between stop lamp switch terminals 1 and 2
under the following conditions.
3. If NG, replace stop la

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NISSAN X-TRAIL 2003  Electronic Repair Manual EC-568
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HO2S1 HEATER
HO2S1 HEATER
PFP:22690
DescriptionEBS00BJQ
SYSTEM DESCRIPTION
The ECM performs ON/OFF duty control of the heated oxygen sensor 1 heater corresponding to the

Page 1683 of 3066

NISSAN X-TRAIL 2003  Electronic Repair Manual HO2S1 HEATER
EC-569
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Wiring DiagramEBS00BJT
TBWA0075E

Page 1684 of 3066

NISSAN X-TRAIL 2003  Electronic Repair Manual EC-570
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HO2S1 HEATER
Diagnostic Procedure
EBS00BJU
1.CHECK OVERALL FUNCTION CHECK
1. Start engine and warm it up to normal operating temperature.
2. Turn ignition switch "OFF" a

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NISSAN X-TRAIL 2003  Electronic Repair Manual HO2S1 HEATER
EC-571
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3.DETECT MALFUNCTIONING PART
Check the following.
lHarness connectors E60, F36
lFuse block (J/B) connector E103
l10A fuse
lHarness

Page 1686 of 3066

NISSAN X-TRAIL 2003  Electronic Repair Manual EC-572
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HO2S1 HEATER
Component Inspection
EBS00BJV
HEATED OXYGEN SENSOT 1 HEATER
1. Check resistance between HO2S1 terminals as follows.
2. If NG, replace heated oxygen sensor 1

Page 1687 of 3066

NISSAN X-TRAIL 2003  Electronic Repair Manual HO2S2 HEATER
EC-573
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HO2S2 HEATERPFP:226A0
DescriptionEBS00BJX
SYSTEM DESCRIPTION
The ECM performs ON/OFF control of the heated oxygen sensor 2 heater

Page 1688 of 3066

NISSAN X-TRAIL 2003  Electronic Repair Manual EC-574
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HO2S2 HEATER
Wiring Diagram
EBS00BK0
TBWA0077E