Question about 2002 Nissan Pathfinder

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I recently replaced an O2 sensor on the rear driver side (Bank 1 Sensor 2) on a 2002 Nissan Pathfinder. I took it to get an emission inspection and was told that a code P1147 was showing up. The SES light is still on. Can you tell me what the P1147 is. Thanks.

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6ya6ya
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Posted on Jan 02, 2017

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ZJLimited
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SOURCE: 2002 nissan maxima, check engine

About DTC P1800, I suggest check the harness and verify it is plugged in and still functioning. Also, try checking your vac tubes to verify that they are not reversed. Also read this TSB with details about correct diagnostic: DTC P1800 VIAS CONTROL SOLENOID VALVE

The VIAS control solenoid valve cuts the intake manifold vacuum signal for power valve control. It responds to ON/OFF signals from the ECM. When the solenoid is off, the vacuum signal from the intake manifold is cut. When the ECM sends an ON signal the coil pulls the plunger downward and feeds the vacuum signal to the power valve actuator.

DTC detecting condition:
• An excessively low or high voltage signal is sent to ECM through the valve
Possible cause:
• Harness or connectors (The solenoid valve circuit is open or shorted.)
• VIAS control solenoid valve

Will need replaced the solenoid valve (P/N - 149558J10A). The valve is located under the engine cover. It's a Nissan only part so you have to order from the dealer, either online or in person. It's cheaper online. Check this sample Nissan engine location (click image for zoom)...

zjlimited_1658.jpg



DTC P1147 - Bank1 Sensor 2 O2 sensor maximum voltage monitoring
Component Description: The heated oxygen sensor 2, after three way catalyst, monitors the oxygen level in the exhaust gas on each bank.

Even if switching characteristics of the heated oxygen sensor 1 are shifted, the air fuel ratio is controlled to stoichiometric, by the signal from the heated oxygen sensor 2.

This sensor is made of ceramic zirconia. The zirconia generates voltage from approximately 1V in richer conditions to 0V in leaner conditions. Under normal conditions the heated oxygen sensor 2 is not used for engine control operation.

DTC detecting condition: The maximum voltage from the sensor is not reached to the specified voltage.

Possible cause:
Harness or connectors (The sensor circuit is open or shorted)
Heated oxygen sensor 2
Fuel pressure
Injectors

Majority of cases this is either a faulty O2 sensor, or short/open in wiring harness. Bank1 sensor2 is the rear O2 sensor on the passenger (right) hand side (click image for zoom):

zjlimited_50.png

Here is simple test with voltmeter to test O2 sensor. If it fails test, replace sensor. If not, then you will have to start tracing the wiring harness for a short/open in it (click for zoom):

zjlimited_51.png

And here additional details: DTC P1147 O2 Sensor

Keep us updated.

Posted on Aug 01, 2011

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  • 41 Answers

SOURCE: 01 nissan pathfinder

The mass airflow can get dirty and you will get trouble codes for everything under the hood except for the mass airflow. Try unplugging your mass airflow and driving the vehicle, if your problem goes away you need to clean the sensor. Buy some mass airflow cleaner though because other cleaners can damage the coating on the sensor.

Posted on Feb 26, 2009

  • 56 Answers

SOURCE: O2 Sensor Bank 1 on a 2004 Nissan Pathfinder

ON THE EXAHST

Posted on Jan 22, 2010

  • 265 Answers

SOURCE: 1996 Nissan Maxima o2 Sensor Location

check out www.maxima.org

Posted on Feb 05, 2010

ZX2Fast
  • 547 Answers

SOURCE: what side is my o2 sensor (bank 1 sensor 1) on for

Bank one is on the side of cylinder one. Cylinder one is typically on the driver side. Although, you have to be careful here. Just because the code mentioned the O2 sensor doesn't mean the sensor is bad. For instance, a code of P0171: sensor indicates lean, bank one sensor; one is not a bad sensor. That is a good sensor telling you that the engine is running lean on bank one. If you get a different code, then it could the be the sensor.

Posted on Mar 05, 2010

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1 Answer

O2 sensor located


Hi James,here's a link to your firing order,cylinder two is bank two and sensor one is the oxygen sensor screwed into the exhaust manifold on that side.

Nov 21, 2013 | 2007 Nissan Pathfinder 4.0

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What does the codes p0442,p0136 &p0141 mean on my 2001 ford taurus it failed inspection for these codes


P0442 FORD - Evaporative Emission System Leak Detected Small Leak

Possible causes- Missing or loose fuel cap
- Incorrect fuel filler cap used
- Fuel filler cap remains open or fails to close
- Foreign matter caught in fuel filler cap
- EVAP canister or fuel tank leaks
- EVAP system hose leaking
- Fuel tank leaking
P0136 - O2 Sensor Circuit Malfunction Bank 1 Sensor 2
Possible causes- Rear Heated Oxygen Sensor Bank 1 harness is open or shorted
- Rear Heated Oxygen Sensor Bank 1 circuit poor electrical connection
- Faulty Rear Heated Oxygen Sensor Bank 1
- Inappropriate fuel pressure
- Faulty fuel injectors
- Intake air leaks may be faulty
- Exhaust gas leaks

P0141 FORD - O2 Heater Circuit Bank 1 Sensor 2

Possible causes- Faulty Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2
- Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2 circuit fuse
- Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2 circuit open shorted to ground
- Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2 circuit poor electrical connection
- Faulty Engine Control Module (ECM)

Sep 27, 2012 | 2001 Ford Taurus

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Bank 1 code 2 o2 sensor which sensor is it rt or lf rear?


should be the one with the whit sheathing around the wires that are part of sensor.bank 1 is right side(firewall side) #2 is the sensor after cat converter.im almost positive it is the white and not the red sheathing.

Feb 16, 2011 | 2002 Nissan Maxima

1 Answer

Can any one tell me where Bank 2/2 HO2 sensor located on 2002 nissan pathfinder ( passenger or driver side) ? Thanks


The bank refers to the side of the engine. Bank one is always the same side of the engine as the number one cylinder. Bank 2 is alwasy the other side of the engine.

Sensor refers to before the cat or after the cat. Sensor 1 is before the cat and sensor two is after the cat.


So Bank 2 Sensor 2 is on the engine opposite of the number 1 cylinder and after the catalytic converter.

Jan 08, 2011 | 2002 Nissan Pathfinder

2 Answers

PO138-PO139


P0138- o2 circuit high voltage, bank 1 sensor 2
P0129- 02 circuit slow response Bank 1 sensor 2
rear o2 sensor weak, replace it, will be the one after the caliltice converter.

Jul 10, 2010 | 2001 Nissan Quest

1 Answer

What side is my o2 sensor (bank 1 sensor 1) on for 03 nissan pathfinder se with engine facing front. i need to replace it but i dont know which side to purchase.


Bank one is on the side of cylinder one. Cylinder one is typically on the driver side. Although, you have to be careful here. Just because the code mentioned the O2 sensor doesn't mean the sensor is bad. For instance, a code of P0171: sensor indicates lean, bank one sensor; one is not a bad sensor. That is a good sensor telling you that the engine is running lean on bank one. If you get a different code, then it could the be the sensor.

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2 Answers

My 2005 pathfinder service engine light just came on. i took it to autozone an the diagnostic codes they gave me were P1051 and P1168. I wanted to know what they were B4 i took it in to the dealer and they...


P0151 Front O2 Sensor, Bank 2 Lean Shift Monitoring,P1168 Closed Loop, Bank 2 i would do the o2 sensor on this side..and thats it unless you get something else

Feb 07, 2010 | 2005 Nissan Pathfinder

2 Answers

EMISSION FAIL CODES PRESENT P0155


P0155 - Heated Oxygen Sensor Heater Circuit (bank 2, sensor 1)

bank 2 sensor 1 (front, driver side) o2 sensor needs to be replaced

Oct 15, 2008 | Mitsubishi Montero Cars & Trucks

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