2003 NISSAN TEANA Service Manual

Page 1993 of 3502

NISSAN TEANA 2003  Service Manual HO2S1 HEATER
EC-711
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Diagnostic ProcedureBBS0055A
1. CHECK OVERALL FUNCTION CHECK
1. Start engine and warm it up to normal operating temperature.
2. Turn ignition switc

Page 1994 of 3502

NISSAN TEANA 2003  Service Manual EC-712
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HO2S1 HEATER
 
2. CHECK HO2S1 POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect heated oxygen sensor 1 harness connector.
3. Turn ignition switch ON.
4. Check voltage between

Page 1995 of 3502

NISSAN TEANA 2003  Service Manual HO2S1 HEATER
EC-713
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5. CHECK HEATED OXYGEN SENSOR 1 HEATER
Refer to EC-713, "
Component Inspection" .
OK or NG
OK >> GO TO 6.
NG >> Replace malfunctioning heated oxyge

Page 1996 of 3502

NISSAN TEANA 2003  Service Manual EC-714
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HO2S2
 
HO2S2PFP:226A0
Component DescriptionBBS0055U
The heated oxygen sensor 2, after three way catalyst (manifold),
monitors the oxygen level in the exhaust gas on each bank.
Even if swi

Page 1997 of 3502

NISSAN TEANA 2003  Service Manual HO2S2
EC-715
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Wiring DiagramBBS0055W
BANK 1
TBWM1537E

Page 1998 of 3502

NISSAN TEANA 2003  Service Manual EC-716
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HO2S2
 
Specification data are reference values and are measured between each terminal and ground.
CAUTION:
Do not use ECM ground terminals when measuring input/output voltage. Doing so ma

Page 1999 of 3502

NISSAN TEANA 2003  Service Manual HO2S2
EC-717
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BANK 2
TBWM1538E

Page 2000 of 3502

NISSAN TEANA 2003  Service Manual EC-718
[VQ]
HO2S2
 
Specification data are reference values and are measured between each terminal and ground.
CAUTION:
Do not use ECM ground terminals when measuring input/output voltage. Doing so ma