2003 NISSAN X-TRAIL Service Repair Manual

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NISSAN X-TRAIL 2003  Service Repair Manual IAT SENSOR
EC-783
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Diagnostic ProcedureEBS0113I
1. CHECK OVERALL FUNCTION
1. Turn ignition switch ON.
2. Check voltage between ECM terminal 34 and gr

Page 1162 of 4179

NISSAN X-TRAIL 2003  Service Repair Manual EC-784
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IAT SENSOR
 
3. CHECK INTAKE AIR TEMPERATURE SENSOR POWER SUPPLY CIRCUIT
1. Disconnect mass air flow sensor (intake air temperature sensor
is built-into) harness connect

Page 1163 of 4179

NISSAN X-TRAIL 2003  Service Repair Manual IAT SENSOR
EC-785
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Component InspectionEBS0113J
INTAKE AIR TEMPERATURE SENSOR
1. Check resistance between mass air flow sensor terminals 5 and
6 unde

Page 1164 of 4179

NISSAN X-TRAIL 2003  Service Repair Manual EC-786
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HO2S1
 
HO2S1PFP:22690
Component DescriptionEBS0113L
The heated oxygen sensor 1 is placed into the exhaust manifold. It
detects the amount of oxygen in the exhaust gas c

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NISSAN X-TRAIL 2003  Service Repair Manual HO2S1
EC-787
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Wiring DiagramEBS0113N
TBWA0646E

Page 1166 of 4179

NISSAN X-TRAIL 2003  Service Repair Manual EC-788
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HO2S1
 
Specification data are reference values and are measured between each terminal and ground.
CAUTION:
Do not use ECM ground terminals when measuring input/output v

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NISSAN X-TRAIL 2003  Service Repair Manual HO2S1
EC-789
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2. CHECK OVERALL FUNCTION
 With CONSULT-II
1. Start engine and warm it up to normal operating temperature.
2. Select “HO2S1 MNTR (B1)

Page 1168 of 4179

NISSAN X-TRAIL 2003  Service Repair Manual EC-790
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HO2S1
 
4. CHECK HO2S1 INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Check harness continuity between ECM terminal 35 and HO2S1 terminal 2.
Refer to Wiring Diagram.
2. Chec