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2002 Toyota Sienna CE Van V6 3.0 L shows obd code P1155. Is

Resolved Question:

2002 Toyota Sienna CE Van V6 3.0 L shows obd code P1155. Is this Bank 1 or Bank 2 sensor. Could you please give me some diagrams which shows where the sensor would be located in reference to the engine installation on the body.

Thanks.
Submitted: 4 years ago.
Category: Toyota
Expert:  Eric replied 4 years ago.

Hi,

 

P1155Air/Fuel Sensor Heater Circuit. (Bank 1 Sensor 2)

 

 

This O2 sensor is located at end of catalytic converter from exhaust pipe between the engine and firewall:

 

graphic

 

Easiest to access to have front end up in the air and crawl underneath the vehicle to reach the rear manifold, exhaust pipe and converter. The O2 sensor is just at the end of the converter.

Expert:  Eric replied 4 years ago.

 

P1155Air/Fuel Sensor Heater Circuit. (Bank 1 Sensor 2)

 

 

This O2 sensor is located at end of catalytic converter from exhaust pipe between the engine and firewall:

 

graphic
View Full Image

 

Easiest to access to have front end up in the air and crawl underneath the vehicle to reach the rear manifold, exhaust pipe and converter. The O2 sensor is just at the end of the converter.

Customer: replied 4 years ago.

This confuses me more because one of your other expert, Peter wrote the following:

Accepted Answer

You are dealing with bank 2 sensor 1. This sensor is located in the front exhaust manifold. Attached are a coulpe of diagrams. This is a heater malfunction in the sensor. The computer makes the ground to turn on the heater. In some cases I have seen the sensor take out the driver in the ECU. The light blue wire going to the ecu should go from 12 volts to 0 volts about 2 to 5 minutes after the engine starts. The 25 amp afr heater fuse needs to be check also. Let me know what you find. With all due respect to Greg he is not correct on the location of the sensor it is NOT in the back exhaust manifold by the firewall that is bank 1, bank 2 is the front exhaust manifold. That is where the senor is for the code p1155.



Read more: http://www.justanswer.com/questions/12xkb-i-have-a-toyota-sienna-2002-have-a-code-p1155-i-will-like#ixzz0rVcdng00

 

Now which do I follow and am not sure which one of you is the correct answer!

Expert:  Eric replied 4 years ago.

Hi,

 

Bank 1 is always the side that cylinder #1 one is located. In this case the #1 cylinder is located on back side of engine:

 

2002 Toyota Sienna LE
3.0 liter DOHC V-6 (1MZ-FE)

 

Although the below is for Lexus(made by toyota) it applies to all vehicles with a v6 or v8 engine:

 

graphic

Customer: replied 4 years ago.
some of the sites that P1155 is for Bank 2 Sensor 1. So there is my trouble. I cannot verify either way. Is it Bank 1 or Bank 2. If its bank 1, then your answer is correct but if it is bank 2, then Peter's answer is correct. So I need to find what is P1155 referring to?
Expert:  Eric replied 4 years ago.

Hi,

 

Manufacturer specific codes:

 

Toyota Specific Trouble Codes

See also: Toyota Check Engine Light (at www.Check-Engine-Light.com)

CodeDescription
P1100BARO Sensor Circuit.
P1120Accelerator Pedal Position Sensor Circuit.
P1121Accelerator Pedal Position Sensor Range/Performance Problem.
P1125Throttle Control Motor Circuit.
P1126Magnetic Clutch Circuit.
P1127ETCS Actuator Power Source Circuit.
P1128Throttle Control Motor Lock.
P1129Electric Throttle Control System.
P1130Air/Fuel Sensor Circuit Range/Performance. (Bank 1 Sensor 1)
P1133Air/Fuel Sensor Circuit Response. (Bank 1 Sensor 1)
P1135Air/Fuel Sensor Heater Circuit Response. (Bank 1 Sensor 1)
P1150Air/Fuel Sensor Circuit Range/Performance. (Bank 1 Sensor 2)
P1153Air/Fuel Sensor Circuit Response. (Bank 1 Sensor 2)
P1155Air/Fuel Sensor Heater Circuit. (Bank 1 Sensor 2)
P1200Fuel Pump Relay Circuit.
P1300Igniter Circuit Malfunction - No. 1.
P1310Igniter Circuit Malfunction - No. 2.
P1335No Crankshaft Position Sensor Signal - Engine Running.
P1349VVT System.
P1400Sub-Throttle Position Sensor.
P1401Sub-Throttle Position Sensor Range/Performance Problem.
P1405Turbo Pressure Sensor Circuit.
P1406Turbo Pressure Sensor Range/Performance Problem.
P1410EGR Valve Position Sensor Circuit Malfunction.
P1411EGR Valve Position Sensor Circuit Range/Performance.
P1500Starter Signal Circuit.
P1510Boost Pressure Control Circuit.
P1511Boost Pressure Low.
P1512Boost Pressure High.
P1520Stop Lamp Switch Signal Malfunction.
P1565Cruise Control Main Switch Circuit.
P1600ECM BATT Malfunction
P1605Knock Control CPU.
P1630Traction Control System.
P1633ECM.
P1652Idle Air Control Valve Control Circuit.
P1656OCV Circuit.
P1658Wastegate Valve Control Circuit.
P1661EGR Circuit.
P1662EGR by-pass Valve Control Circuit.
P1780Park/Neutral Position Switch Malfunction (Only For A/T)

Expert:  Eric replied 4 years ago.

Hi,

 

another toyota specific obd2 chart:

 

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Toyota Check Engine Light Codes

Welcome to the Toyota Check Engine Light codes page. Below you will find the most complete list of Toyota trouble codes available. The code definitions are a good starting point when determining the cause of the service engine light but where do you go from there? We have a large number of resources to help you repair the problem.

Here is how we suggest you proceed. Look up your code definition. This tells you where to start testing. If you are unsure of any abbreviations, check out the acronym list by clicking on the link at the left. Next, read our article Automotive Circuit Testing 101, and if there is an article related to the system you are testing, such as Oxygen Sensors or EGR concerns, read these as well. They will provide valuable info! If there is a link to a specific diagnosis strategy for the code then follow that and start testing. If there is no procedure for your manufacturer specific code, then I suggest referring to a similar generic OBD II code (these are listed numerically by system type) to get a good idea of what to look for. If at this point you still need assistance use the "Get Help" link and let us know how we can help. We can provide information on component location, specifications, circuit color/location and more. We do ask that you please read the info available on the site first so that we can help reduce repeat questions. So please read our Disclaimer and when you're ready jump in!Be sure to scroll all the way to the bottom of the page as there is some great info there!

Also we value your feedback and like to hear stories of unusual fixes or concerns you may have run into with your Check Engine Light, so feel free to share your experiences by using the "Contact Us" link. Let's go!

 

 

We do our best to update these Toyota check engine light codes as frequently as possible. If you find one missing let us know and we we'll add it immediately! Please use the form on our Contact Page to get in touch with us. We certainly understand how frustrating it can be to look for a code definition and have it not online when you need it. And lets face it, if the service engine light is on then you need it now! It's easiest to use the "Find On This Page" feature of your browser's "Edit" menu to find codes on this page as the list is quite long. These are listed in numerical order for easy searching.

When retrieving Toyota check engine light codes with an OBD II scan tool, proceed as follows:
1. Connect scan tool to the 16-pin data link connector (DLC) located underneath the steering column. The connector may have a removable cover.
2. Turn the ignition on.
3. Follow scan tool manufacturer's operating instructions to access the Diagnostic Trouble Codes (DTC's).

Remember, these are manufacturer specific codes only. Refer to our Generic OBD II code list for definitions on all other Toyota diagnostic trouble codes.




Manufacturer Specific Codes

P1100 BARO Sensor Circuit - Read Our Article on Automotive Circuit Testing For Help With This Toyota Check Engine Light Code

P1120 Accelerator Pedal Position Sensor Circuit - Read Our Article on Automotive Circuit Testing For Help With This Toyota Check Engine Light Code

P1121 Accelerator Pedal Position Sensor Range/Performance Problem

P1125 Throttle Control Motor Circuit - Read Our Article on Automotive Circuit Testing For Help With This Toyota Check Engine Light Code

P1126 Magnetic Clutch Circuit

P1127 ETCS Actuator Power Source Circuit

P1128 Throttle Control Motor Lock

P1129 Electric Throttle Control System

P1130 Air/Fuel Sensor Circuit Range/Performance (Bank 1 Sensor 1) - Read Our Article On Oxygen Sensor Codes For Help With This Toyota Check Engine Light Code - More Related Information

P1133 Air/Fuel Sensor Circuit Response (Bank 1 Sensor 1) - Read Our Article On Oxygen Sensor Codes For Help With This Toyota Check Engine Light Code

P1135 Air/Fuel Sensor Heater Circuit Response (Bank 1 Sensor 1) - Read Our Article On Oxygen Sensor Codes For Help With This Toyota Check Engine Light Code - More Related Information

P1150 Air/Fuel Sensor Circuit Range/Performance (Bank 1 Sensor 2)

P1153 Air/Fuel Sensor Circuit Response (Bank 1 Sensor 2) - Read Our Article On Oxygen Sensor Codes For Help With This Toyota Check Engine Light Code

P1155 Air/Fuel Sensor Heater Circuit. (Bank 1 Sensor 2)

P1200 Fuel Pump Relay Circuit

P1300 Igniter Circuit Malfunction - No. 1

P1305 Igniter Circuit Malfunction - No. 2

P1335 No Crankshaft Position Sensor Signal - Engine Running

P1349 VVT System

P1400 Sub-Throttle Position Sensor

P1401 Sub-Throttle Position Sensor Range/Performance Problem

P1405 Turbo Pressure Sensor Circuit

P1406 Turbo Pressure Sensor Range/Performance Problem

P1410 EGR Valve Position Sensor Circuit Malfunction - Read Our Article on EGR Valve Codes For Help With This Toyota Check Engine Light Code

P1411 EGR Valve Position Sensor Circuit Range/Performance - Read Our Article on EGR Valve Codes For Help With This Toyota Check Engine Light Code

P1500 Starter Signal Circuit

P1510 Boost Pressure Control Circuit

P1511 Boost Pressure Low

P1512 Boost Pressure High

P1520 Stop Lamp Switch Signal Malfunction

P1565 Cruise Control Main Switch Circuit

P1600 ECM BATT Malfunction

P1605 Knock Control CPU

P1630 Traction Control System

P1633 ECM

P1652 Idle Air Control Valve Control Circuit

P1656 OCV Circuit

P1658 Wastegate Valve Control Circuit

P1661 EGR Circuit

P1662 EGR Bypass Valve Control Circuit

P1700 Vehicle Speed Sensor '2' Circuit Fault

P1705 Direct Clutch Speed Circuit Fault

P1765 Linear Shift Solenoid Circuit Fault

P1780 Park/Neutral Position Switch Malfunction (Only For A/T)

Expert:  Eric replied 4 years ago.

Hi,

 

Below shows why we have to look for the manufacturer specific code if available, as you can see it refers to many different things for the different manufacturers:

 

Definition of Diagnostic Trouble Code P1155
Audi:Manifold Absolute Pressure Sensor Circuit Short to B+
BMW:Oxygen Sensor Heater Circuit Signal Intermittent (Bank 2 Sensor 2)
Buick:Heated Oxygen Sensor (HO2S) Lean Mean Bank 2 Sensor 1
Cadillac:Heated Oxygen Sensor (HO2S) Lean Mean Bank 2 Sensor 1
Chevrolet:Heated Oxygen Sensor (HO2S) Lean Mean Bank 2 Sensor 1
Ford:Alternative Fuel Control Module Has Activated the MIL
GMC:Heated Oxygen Sensor (HO2S) Lean Mean Bank 2 Sensor 1
Land Rover:Post-catalyst oxygen sensor heater bank 1.Implausible signal/condition
Lexus:Air/Fuel Ratio Sensor Heater Circuit Malfunction (Bank 1 Sensor 2)
Lincoln:Alternative Fuel Control Module Has Activated the MIL
Mazda:(AFCM) Has Activated the (MIL)
Mercury:Alternative Fuel Control Module Has Activated the MIL
Oldsmobile:Heated Oxygen Sensor (HO2S) Lean Mean Bank 2 Sensor 1
Pontiac:Heated Oxygen Sensor (HO2S) Lean Mean Bank 2 Sensor 1
Saturn:Heated Oxygen Sensor (HO2S) Lean Mean Bank 2 Sensor 1
Subaru:Oxygen sensor range/performance problem (High)
Toyota:A/F Sensor Heater Circuit Malfunction (Bank 1 Sensor 2)
Volkswagen:Manifold Absolute Pressure Sensor Circuit Short to B+

Customer: replied 4 years ago.

This is what autozone says:

(refers to Bank 2 Sensor 1) for Toyota Sienna 2002. I am confused as to which one to beleive. Looks like I'll have to check each sensor separtely before I replace any!

Trouble Code: P1155

 

A/F Sensor-21 (Bank 2 Sensor 1) Heater Circuit Malfunction

Possible Causes:


A/F sensor heater circuit or ground circuit is open A/F sensor heater power circuit is open A/F sensor heater is damaged or has failed PCM has failed

Expert:  Eric replied 4 years ago.

Hi,

 

Autozone uses the generic obd2 codes, which are not the same as manufacturer specific trouble codes definitions.

 

The listing I have given you from several sources are all Toyota Specific trouble codes, but I would advise to call your local toyota dealer to confirm

Eric, Automotive Repair Shop Manager
Category: Toyota
Satisfied Customers: 24658
Experience: 20+ yrs. experience as repair shop manager and technician.
Eric and 6 other Toyota Specialists are ready to help you
Customer: replied 4 years ago.

The whole information was wrong. It was the Bank 2 Sensor 2.

 

Bank 1 sensor 2 should show the OBD code of 1135 and NOT 1155!

 

All the above mentioned brand specific codes were wrong!

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