2004 INFINITI FX35 Service Manual

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INFINITI FX35 2004 Service Manual EC-1116
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DTC P1146, P1166 HO2S2
Revision: 2004 November 2004 FX35/FX45
DTC P1146, P1166 HO2S2PFP:226A0
Component DescriptionABS00C9W
The heated oxygen sensor 2, after three way catalyst (manif

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INFINITI FX35 2004 Service Manual DTC P1146, P1166 HO2S2
EC-1117
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Revision: 2004 November 2004 FX35/FX45
DTC Confirmation ProcedureABS00C9Z
NOTE:
If DTC confirmation Procedure has been previously cond

DTC P1146, P1166 HO2S2
EC-1117
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Revision: 2004 November 2004 FX35/FX45
DTC Confirmation ProcedureABS00C9Z
NOTE:
If DTC confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at
least 10 seconds before conducting the next test.
WITH CONSULT-II
TESTING CONDITION:
For better results, perform “DTC WORK SUPPORT” at a temperature of 0 to 30 °C (32 to 86 °F).
1. Turn ignition switch ON and select “DATA MONITOR” mode with
CONSULT-II.
2. Start engine and warm it up to the normal operating tempera-
ture.
3. Turn ignition switch OFF and wait at least 10 seconds.
4. Start engine and keep the engine speed between 3,500 and
4,000 rpm for at least 1 minute under no load.
5. Let engine idle for 1 minute.
6. Make sure that “COOLAN TEMP/S” indicates more than 70°C
(158°F).
If not, warm up engine and go to next step when “COOLAN
TEMP/S” indication reaches to 70°C (158°F).
7. Open engine hood.
8. Select “HO2S2 (B1) P1146” or “HO2S2 (B2) P1166” of “HO2S2” in “DTC WORK SUPPORT” mode with
CONSULT-II.
9. Start engine and following the instruction of CONSULT-II.
10. Make sure that “OK” is displayed after touching “SELF-DIAG RESULTS”.
If “NG” is displayed, refer to EC-1122, "
Diagnostic Procedure" .
If “CAN NOT BE DIAGNOSED” is displayed, perform the following.
a. Turn ignition switch OFF and leave the vehicle in a cool place (soak the vehicle).
b. Return to step 1.
Overall Function CheckABS00CA0
Use this procedure to check the overall function of the heated oxygen sensor 2 circuit. During this check, a 1st
trip DTC might not be confirmed.
WITH GST
1. Start engine and warm it up to the normal operating temperature.
2. Turn ignition switch OFF and wait at least 10 seconds.
3. Start engine and keep the engine speed between 3,500 and 4,000 rpm for at least 1 minute under no load.
4. Let engine idle for 1 minute.
5. Set voltmeter probes between ECM terminal 55 [HO2S2 (B1) signal] or 74 [HO2S2 (B2) signal] and
ground.
SEF174Y
PBIB0818E

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INFINITI FX35 2004 Service Manual EC-1118
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DTC P1146, P1166 HO2S2
Revision: 2004 November 2004 FX35/FX45
6. Check the voltage when revving up to 4,000 rpm under no load
at least 10 times.
(Depress and release accelerator pedal

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INFINITI FX35 2004 Service Manual DTC P1146, P1166 HO2S2
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Revision: 2004 November 2004 FX35/FX45
Wiring DiagramABS00CA1
BANK 1
TBWM0230E

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INFINITI FX35 2004 Service Manual EC-1120
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DTC P1146, P1166 HO2S2
Revision: 2004 November 2004 FX35/FX45
Specification data are reference values and are measured between each terminal and ground.
CAUTION:
Do not use ECM ground

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INFINITI FX35 2004 Service Manual DTC P1146, P1166 HO2S2
EC-1121
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BANK 2
TBWM0231E

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INFINITI FX35 2004 Service Manual EC-1122
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DTC P1146, P1166 HO2S2
Revision: 2004 November 2004 FX35/FX45
Specification data are reference values and are measured between each terminal and ground.
CAUTION:
Do not use ECM ground

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INFINITI FX35 2004 Service Manual DTC P1146, P1166 HO2S2
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2. CLEAR THE SELF-LEARNING DATA
With CONSULT-II
1. Start engine and warm it up to normal opera

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