2003 NISSAN TEANA Service Manual

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NISSAN TEANA 2003  Service Manual HO2S1
EC-303
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Specification data are reference values and are measured between each terminal and ground.
Pulse signal is measured by CONSULT-II.
CAUTION:
Do not use ECM

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NISSAN TEANA 2003  Service Manual EC-304
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HO2S1
 
Diagnostic ProcedureBBS005IV
1. CHECK OVERALL FUNCTION
 With CONSULT-II
1. Start engine and warm it up to normal operating temperature.
2. Select “HO2S1 MNTR (B1)” in “DATA M

Page 1587 of 3502

NISSAN TEANA 2003  Service Manual HO2S1
EC-305
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3. CHECK HO2S1 GROUND CIRCUIT FOR OPEN AND SHORT
1. Disconnect heated oxygen sensor 1 harness connector.
2. Disconnect ECM harness connector.
3. Check har

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NISSAN TEANA 2003  Service Manual EC-306
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HO2S1
 
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. Touch “RECORD” on CONSULT-II screen.
6. C

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NISSAN TEANA 2003  Service Manual HO2S1
EC-307
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Before installing new oxygen sensor, clean exhaust system threads using Oxygen Sensor Thread
Cleaner and approved anti-seize lubricant.
Removal and Insta

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NISSAN TEANA 2003  Service Manual EC-308
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HO2S1 HEATER
 
HO2S1 HEATERPFP:22690
DescriptionBBS005IY
SYSTEM DESCRIPTION
The ECM performs ON/OFF duty control of the heated oxygen sensor 1 heater corresponding to the engine
speed and

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NISSAN TEANA 2003  Service Manual HO2S1 HEATER
EC-309
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Wiring DiagramBBS005J0
TBWM1541E

Page 1592 of 3502

NISSAN TEANA 2003  Service Manual EC-310
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HO2S1 HEATER
 
Specification data are reference values and are measured between each terminal and ground.
Pulse signal is measured by CONSULT-II.
CAUTION:
Do not use ECM ground terminals w