{"id":19594,"date":"2022-09-02T00:58:00","date_gmt":"2022-09-02T07:58:00","guid":{"rendered":"https:\/\/blogv2prod.wpenginepowered.com\/blog\/?p=19594"},"modified":"2026-08-08T07:29:28","modified_gmt":"2026-08-08T14:29:28","slug":"p1135-code-nissan-toyota-lexus","status":"publish","type":"post","link":"https:\/\/www.carparts.com\/blog\/p1135-code-nissan-toyota-lexus\/","title":{"rendered":"P1135 Code: Meanings, Causes, and Fixes by Make"},"content":{"rendered":"\nReading Time: <\/span> 7<\/span> minutes<\/span><\/span>\n

The P1135 code is manufacturer-specific, so its meaning depends on who built your vehicle. In Toyota, Lexus, and Scion models it points to the air\/fuel ratio sensor<\/a> heater circuit on bank 1 sensor 1. In Nissan and Infiniti models it points to intake valve timing control on bank 2.<\/p>\n\n\n\n

On-board diagnostics (OBD) stores a trouble code whenever it spots an irregularity. Most codes are generic. This one isn’t. It shows up in Toyota<\/a>, Lexus<\/a>, Nissan<\/a>, and other platforms, and it doesn’t mean the same thing on any two of them.<\/p>\n\n\n\n

Quick Answer<\/h2>\n\n\n\n
Meaning:<\/strong> On Toyota and Lexus, “Air Fuel Ratio Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction.” On Nissan, “Intake Valve Timing Control Performance (Bank 2).”<\/p>\n\n\n\n
What it affects:<\/strong> The heater that brings the air\/fuel ratio sensor to temperature, or on Nissan, the variable valve timing system.<\/p>\n\n\n\n
How serious it is:<\/strong> No breakdown risk on Toyota or Lexus, but it costs fuel economy and fails emissions. A Nissan rattle needs prompt attention.<\/p>\n\n\n\n
Possible causes:<\/strong> A failed sensor heater, an open circuit, or a damaged connector. For Nissan, a bad camshaft position sensor, low oil, or a faulty timing control solenoid.<\/p>\n\n\n\n
What to do first:<\/strong> Confirm the definition for your vehicle’s make and model, then inspect the sensor connector for corrosion and moisture.<\/p>\n\n\n\n
Can you keep driving?:<\/strong> Usually yes for Toyota and Lexus. Stop driving a Nissan that rattles or loses power.<\/p>\n\n\n\n
$\"diagnosing$ The P1135 code has several different definitions, depending on the vehicle’s make.<\/figcaption><\/figure>\n\n\n\n
What Does the P1135 Code Mean?<\/h2>\n\n\n\n
The P1135 code carries a different definition for nearly every platform, which is why a repair that works for one vehicle does nothing for another:<\/p>\n\n\n\n
\n
Toyota, Lexus, Scion: Air\/Fuel Ratio Sensor Heater Circuit Malfunction, Bank 1 Sensor 1<\/li>\n\n\n\n
Nissan, Infiniti: Intake Valve Timing Control, Bank 2<\/li>\n\n\n\n
Audi, Volkswagen: HO2S Heater Circuit, Bank 1 & 2 Sensor 2 Electrical Malfunction<\/li>\n\n\n\n
BMW, Mini: O2 Sensor Heater Circuit Low Voltage, Bank 1 Sensor 1<\/li>\n\n\n\n
Buick, Cadillac, Chevrolet, GMC: HO2S Lean Average or Lean Mean, Bank 1 Sensor 1<\/li>\n\n\n\n
Chrysler, Dodge: Glow Plug Control Module Voltage Supply Concern<\/li>\n\n\n\n
Ford, Hyundai, Subaru: pedal position, injection timing, and oxygen sensor circuit faults<\/li>\n<\/ul>\n\n\n\n
What Does Toyota Code P1135 Mean?<\/h3>\n\n\n\n
Toyota<\/a> code P1135 stands for “Air Fuel Ratio Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction.” Toyota DTC P1135 sets when the powertrain control module (PCM) detects a problem with the air\/fuel ratio sensor heater circuit, or when this circuit’s signal doesn’t correlate with expected values.<\/p>\n\n\n\n
Air\/fuel ratio sensors, also called broadband lambda sensors, need a specific operating temperature before they read accurately, so each includes a heater element. This kind of O2 sensor<\/a> has to reach 1200-1400 degrees F. The PCM compares this circuit’s input against factory values, and the code sets when bank 1 sensor 1 heater current runs low with the engine running.<\/p>\n\n\n\n
What Does P1135 Mean in a Lexus?<\/h3>\n\n\n\n
Lexus is Toyota’s luxury division, so the definition carries over. DTC P1135 in Lexus vehicles stands for “Air\/Fuel Ratio Sensor Heater Circuit Malfunction (Bank 1 Sensor 1),” and it sets when the powertrain control module<\/a> (PCM) detects a malfunction in this heater circuit. Here the PCM controls the heater using input from the engine coolant temperature (ECT) sensor<\/a> and engine load.<\/p>\n\n\n\n
A P1135 Lexus RX300 diagnosis<\/a> follows the same path. In a V6 like the RX300’s, bank 1 is the bank containing cylinder number one, and sensor 1 sits upstream<\/a> of the catalytic converter<\/a>. Confirm which side that is in a repair manual before ordering a part.<\/p>\n\n\n\n
What Does P1135 Mean in a Nissan?<\/h3>\n\n\n\n
DTC P1135 in Nissan vehicles stands for “Intake Valve Timing Control Performance (Bank 2).” It sets when the PCM detects a difference between the target angle and the actual angle of the intake camshaft.<\/p>\n\n\n\n
$\"nissan$
DTC P1135 on Nissan vehicles stands for “Intake Valve Timing Control Performance (Bank 2).”<\/figcaption><\/figure>\n\n\n\n
Most modern Nissan vehicles use variable valve timing (VVT), built around an intake valve timing control unit, or actuator<\/a>, mounted on the end of the camshaft<\/a>. A solenoid valve<\/a> applies oil pressure to operate it, and the PCM watches the crankshaft and camshaft position sensors to monitor VVT. The code stores when valve timing doesn’t register correctly.<\/p>\n\n\n\n
What Are the Symptoms of the P1135 Code?<\/h2>\n\n\n\n
On Toyota and Lexus vehicles, a warning light might be the only sign you get. Nissan vehicles are more obvious.<\/p>\n\n\n\n
Here are the signs for Toyota and Lexus vehicles:<\/p>\n\n\n\n
\n
An illuminated malfunction indicator lamp (MIL), or check engine light<\/a><\/li>\n\n\n\n
Slightly worse fuel economy, most noticeable on short trips<\/li>\n\n\n\n
An automatic emissions test failure<\/li>\n<\/ul>\n\n\n\n
Here are the signs for Nissan vehicles:<\/p>\n\n\n\n
\n
An illuminated MIL or check engine light<\/li>\n\n\n\n
A possible lack or loss of power<\/li>\n\n\n\n
A possible rough idle<\/li>\n\n\n\n
A rattling noise from the engine<\/li>\n<\/ul>\n\n\n\n
\n
\n
\n $\"CarParts.com\"$ \n<\/div>\n
\n \n<\/form>\n<\/div>\n<\/div>\n\n\n\n
What Causes the P1135 Code?<\/h2>\n\n\n\n
Possible causes split along the same lines as the definitions.<\/p>\n\n\n\n
Here are the causes for Toyota and Lexus vehicles:<\/p>\n\n\n\n
\n
A failed air\/fuel sensor caused by a faulty internal heater<\/li>\n\n\n\n
An open heater power (12V) circuit<\/li>\n\n\n\n
An open heater control circuit or ground circuit<\/li>\n\n\n\n
A damaged connector, so check pins for damage and moisture<\/li>\n\n\n\n
A faulty PCM<\/li>\n<\/ul>\n\n\n\n
Here are the causes for Nissan vehicles:<\/p>\n\n\n\n
\n
A failed camshaft position sensor<\/a><\/li>\n\n\n\n
A camshaft signal pickup contaminated with debris<\/li>\n\n\n\n
A damaged camshaft position sensor connector<\/li>\n\n\n\n
Low or dirty engine oil<\/a><\/li>\n\n\n\n
A faulty intake valve timing control solenoid<\/a><\/li>\n\n\n\n
A bad intake valve timing control unit<\/li>\n\n\n\n
An issue with the timing chain<\/a> or associated components<\/li>\n<\/ul>\n\n\n\n
How Serious Is the P1135 Code?<\/h2>\n\n\n\n
In Toyota and Lexus vehicles, this code won’t strand you. A sensor that heats slowly keeps the engine in open loop longer than it should, running off preset fuel values instead of live feedback. Expect richer running, worse fuel economy, and a failed emissions test. In Nissan vehicles, treat it with more urgency, because rattling and lost power can point to oil starvation or worn timing components.<\/p>\n\n\n\n
How to Diagnose the P1135 Code<\/h2>\n\n\n\n
Diagnosing the P1135 trouble code<\/a> is harder than most because the definition varies by manufacturer, so a vehicle-specific repair manual or database is essential. A practical order of operations looks like this:<\/p>\n\n\n\n
\n
Confirm the definition for your vehicle’s exact year, make, and model. A Toyota procedure for a Nissan wastes an afternoon.<\/li>\n\n\n\n
Record freeze frame data and scan for other codes, which often identify the fault faster than P1135 alone.<\/li>\n\n\n\n
Inspect the connector and harness for corroded pins, moisture, and chafing near the exhaust. Let the engine cool first to avoid burns.<\/li>\n\n\n\n
Verify battery voltage and a good ground at the heater circuit, then measure heater resistance against the manual’s specification. An out-of-spec reading points to the sensor.<\/li>\n\n\n\n
In a Nissan, check oil level and condition first, then test the camshaft position sensor and timing control solenoid before suspecting the timing chain.<\/li>\n\n\n\n
Suspect the PCM last. It’s the least likely cause and the most expensive to guess at.<\/li>\n<\/ol>\n\n\n\n
\n<\/iframe>\n<\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">How to Fix the P1135 Code<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Once you’ve isolated the cause, the repair follows from it:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Failed sensor heater:<\/strong> replace the air\/fuel ratio sensor.<\/li>\n\n\n\n<li><strong>Corroded or damaged connector:<\/strong> repair it and seal it against moisture.<\/li>\n\n\n\n<li><strong>Open power, control, or ground circuit:<\/strong> trace and repair the wiring.<\/li>\n\n\n\n<li><strong>Low or dirty oil in a Nissan:<\/strong> correct it first, then see whether the code returns.<\/li>\n\n\n\n<li><strong>Failed camshaft position sensor or timing control solenoid:<\/strong> replace it.<\/li>\n\n\n\n<li><a href=\"https:\/\/www.carparts.com\/blog\/symptoms-of-a-bad-timing-chain-tensioner-plus-faq\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"<strong>Worn timing chain<\/strong>\"><strong>Worn timing chain<\/strong><\/a><strong> or related components:<\/strong> address them together.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Different vehicles have different definitions, components, and instructions, so information from <a href=\"https:\/\/www.carparts.com\/blog\/why-you-should-always-consult-a-repair-manual\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"repair manuals and databases\">repair manuals and databases<\/a> turns a guess into a fix. What fixes the P1135 code in a Nissan does nothing in a Lexus.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">FAQs<\/h2>\n\n\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1786199002781\"><strong class=\"schema-faq-question\">Is the P1135 code the same for every vehicle?<\/strong> <p class=\"schema-faq-answer\">No. It’s manufacturer-specific, so the same five characters mean a sensor heater fault in a Toyota and a valve timing problem in a Nissan.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1786199014105\"><strong class=\"schema-faq-question\">Can I keep driving with a P1135 code?<\/strong> <p class=\"schema-faq-answer\">For Toyota and Lexus, short trips are low risk, though you’ll burn extra fuel and fail emissions. For a Nissan, a rattle or power loss means stop driving.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1786199037908\"><strong class=\"schema-faq-question\">What does the P1135 Lexus RX300 code point to?<\/strong> <p class=\"schema-faq-answer\">The same bank 1 sensor 1 air\/fuel ratio sensor heater fault as any other Lexus. Confirm which V6 bank holds cylinder one before replacing the sensor.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1786199056118\"><strong class=\"schema-faq-question\">What’s the difference between P1135 and P0135?<\/strong> <p class=\"schema-faq-answer\">P0135 is a generic <a href=\"https:\/\/www.carparts.com\/blog\/p0135-code-heated-o2-sensor-heater-circuit-malfunction-bank-1-sensor-1\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"oxygen sensor heater circuit\">oxygen sensor heater circuit<\/a> code for bank 1 sensor 1 across nearly all makes. P1135 is manufacturer-specific.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1786199079762\"><strong class=\"schema-faq-question\">Is an air\/fuel ratio sensor the same as an oxygen sensor?<\/strong> <p class=\"schema-faq-answer\">They do the same job differently. An oxygen sensor reports rich or lean. An air\/fuel ratio sensor reports <a href=\"https:\/\/www.carparts.com\/blog\/what-is-a-good-air-fuel-ratio-chart-included\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"how rich or lean\">how rich or lean<\/a>, giving finer fuel control.<br><\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1786199103339\"><strong class=\"schema-faq-question\">Does Toyota code P1135 always mean the sensor is bad?<\/strong> <p class=\"schema-faq-answer\">No. An open power, control, or ground circuit, a damaged connector, or a faulty PCM sets the same code. Testing tells you where the problem lies.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1786199249463\"><strong class=\"schema-faq-question\">Can low engine oil cause a P1135 code in a Nissan?<\/strong> <p class=\"schema-faq-answer\">Yes. The valve timing actuator runs on oil pressure, so low or dirty oil can keep the camshaft from its target angle.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1786199267132\"><strong class=\"schema-faq-question\">Do I need a scan tool to diagnose Toyota DTC P1135?<\/strong> <p class=\"schema-faq-answer\">Yes, at minimum to read the code and freeze frame data. You’ll also want a multimeter and a vehicle-specific wiring diagram.<\/p> <\/div> <\/div>\n\n\n\n<h2 class=\"wp-block-heading\">When To Get Professional Help<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">If you aren’t confident in your repair skills, a certified mechanic can handle it. Make this call early when a Nissan rattles, since timing diagnosis takes specialized tools, and any time testing <a href=\"https:\/\/www.carparts.com\/blog\/bad-engine-control-module-ecm-symptoms-repair-replacement-cost\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"points toward the PCM\">points toward the PCM<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Get the Parts You Need at CarParts.com<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Whether you need an <a href=\"https:\/\/www.carparts.com\/oxygen-sensor\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"air\/fuel ratio sensor\">air\/fuel ratio sensor<\/a>, a camshaft position sensor, or an <a href=\"https:\/\/www.carparts.com\/engine-control-module\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"engine control module\">engine control module<\/a>, enter your vehicle details here at <a href=\"https:\/\/www.carparts.com\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"CarParts.com\">CarParts.com<\/a> and get the right part shipped fast, backed by our warranty and hassle-free returns.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Products Mentioned in this Guide<\/h2>\n\n\n\n<div class=\"reusable-productlink\">\n\n\n\n<a href=\"https:\/\/www.carparts.com\/coolant-temperature-sensor\" target=\"_blank\" aria-label=\"Coolant Temperature Sensor\" rel=\"noopener\">\n<img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/d_noimage.jpg,h_200,w_200,c_pad,f_auto,q_auto,dpr_auto,e_sharpen\/images\/reph312802_1\" alt=\"Coolant Temperature Sensor\">\n<strong>Coolant Temperature Sensor<\/strong>\n<\/a>\n\n<a href=\"https:\/\/www.carparts.com\/engine-control-module\" target=\"_blank\" aria-label=\"Engine Control Module\" rel=\"noopener\">\n<img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/d_noimage.jpg,h_200,w_200,c_pad,f_auto,q_auto,dpr_auto,e_sharpen\/images\/a1721000_1\" alt=\"Engine Control Module\">\n<strong>Engine Control Module<\/strong>\n<\/a>\n\n<a href=\"https:\/\/www.carparts.com\/camshaft-position-sensor\" target=\"_blank\" aria-label=\"Camshaft Position Sensor\" rel=\"noopener\">\n<img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/d_noimage.jpg,h_200,w_200,c_pad,f_auto,q_auto,dpr_auto,e_sharpen\/images\/repn311602_1\" alt=\"Camshaft Position Sensor\">\n<strong>Camshaft Position Sensor<\/strong>\n<\/a>\n\n<a href=\"https:\/\/www.carparts.com\/crankshaft-position-sensor\" target=\"_blank\" aria-label=\"Crankshaft Position Sensor\" rel=\"noopener\">\n<img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/d_noimage.jpg,h_200,w_200,c_pad,f_auto,q_auto,dpr_auto,e_sharpen\/images\/repi311803_1\" alt=\"Crankshaft Position Sensor\">\n<strong>Crankshaft Position Sensor<\/strong>\n<\/a>\n\n\n<\/div>\n<\/body><\/html>\n","protected":false},"excerpt":{"rendered":"<p><span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Reading Time: <\/span> <span class=\"rt-time\"> 7<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span>The P1135 code is manufacturer-specific, so its meaning depends on who built your vehicle. In Toyota, Lexus, and Scion models… <a href=\"https:\/\/www.carparts.com\/blog\/p1135-code-nissan-toyota-lexus\/\" rel=\"nofollow\">Read More<\/a><\/p>\n","protected":false},"author":1651,"featured_media":19599,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[1314],"tags":[452,80,76],"ppma_author":[2607,2985],"class_list":["post-19594","post","type-post","status-publish","format-standard","has-post-thumbnail","category-obd-ii-trouble-codes","tag-lexus","tag-nissan","tag-toyota","entry"],"acf":{"adrotate_specific_mobile_ad":"","adrotate_specific_desktop_ad":""},"yoast_head":"\n<title>P1135 Code: Meanings, Causes, and Fixes by Make - In The Garage with CarParts.com<\/title>\n<meta name=\"description\" content=\"Find out the different meanings, common symptoms, and possible causes of the P1135 code on different makes with this brief guide. 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For a Nissan, a rattle or power loss means stop driving.\",\"inLanguage\":\"en-US\"},\"inLanguage\":\"en-US\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/p1135-code-nissan-toyota-lexus\\\/#faq-question-1786199037908\",\"position\":3,\"url\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/p1135-code-nissan-toyota-lexus\\\/#faq-question-1786199037908\",\"name\":\"What does the P1135 Lexus RX300 code point to?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The same bank 1 sensor 1 air\\\/fuel ratio sensor heater fault as any other Lexus. Confirm which V6 bank holds cylinder one before replacing the sensor.\",\"inLanguage\":\"en-US\"},\"inLanguage\":\"en-US\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/p1135-code-nissan-toyota-lexus\\\/#faq-question-1786199056118\",\"position\":4,\"url\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/p1135-code-nissan-toyota-lexus\\\/#faq-question-1786199056118\",\"name\":\"What's the difference between P1135 and P0135?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"P0135 is a generic <a href=\\\"https:\\\/\\\/www.carparts.com\\\/blog\\\/p0135-code-heated-o2-sensor-heater-circuit-malfunction-bank-1-sensor-1\\\/\\\">oxygen sensor heater circuit<\\\/a> code for bank 1 sensor 1 across nearly all makes. 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For a Nissan, a rattle or power loss means stop driving.","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/www.carparts.com\/blog\/p1135-code-nissan-toyota-lexus\/#faq-question-1786199037908","position":3,"url":"https:\/\/www.carparts.com\/blog\/p1135-code-nissan-toyota-lexus\/#faq-question-1786199037908","name":"What does the P1135 Lexus RX300 code point to?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"The same bank 1 sensor 1 air\/fuel ratio sensor heater fault as any other Lexus. Confirm which V6 bank holds cylinder one before replacing the sensor.","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/www.carparts.com\/blog\/p1135-code-nissan-toyota-lexus\/#faq-question-1786199056118","position":4,"url":"https:\/\/www.carparts.com\/blog\/p1135-code-nissan-toyota-lexus\/#faq-question-1786199056118","name":"What's the difference between P1135 and P0135?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"P0135 is a generic <a href=\"https:\/\/www.carparts.com\/blog\/p0135-code-heated-o2-sensor-heater-circuit-malfunction-bank-1-sensor-1\/\">oxygen sensor heater circuit<\/a> code for bank 1 sensor 1 across nearly all makes. P1135 is manufacturer-specific.","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/www.carparts.com\/blog\/p1135-code-nissan-toyota-lexus\/#faq-question-1786199079762","position":5,"url":"https:\/\/www.carparts.com\/blog\/p1135-code-nissan-toyota-lexus\/#faq-question-1786199079762","name":"Is an air\/fuel ratio sensor the same as an oxygen sensor?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"They do the same job differently. An oxygen sensor reports rich or lean. An air\/fuel ratio sensor reports <a href=\"https:\/\/www.carparts.com\/blog\/what-is-a-good-air-fuel-ratio-chart-included\/\">how rich or lean<\/a>, giving finer fuel control.<br>","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/www.carparts.com\/blog\/p1135-code-nissan-toyota-lexus\/#faq-question-1786199103339","position":6,"url":"https:\/\/www.carparts.com\/blog\/p1135-code-nissan-toyota-lexus\/#faq-question-1786199103339","name":"Does Toyota code P1135 always mean the sensor is bad?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"No. An open power, control, or ground circuit, a damaged connector, or a faulty PCM sets the same code. Testing tells you where the problem lies.","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/www.carparts.com\/blog\/p1135-code-nissan-toyota-lexus\/#faq-question-1786199249463","position":7,"url":"https:\/\/www.carparts.com\/blog\/p1135-code-nissan-toyota-lexus\/#faq-question-1786199249463","name":"Can low engine oil cause a P1135 code in a Nissan?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Yes. The valve timing actuator runs on oil pressure, so low or dirty oil can keep the camshaft from its target angle.","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/www.carparts.com\/blog\/p1135-code-nissan-toyota-lexus\/#faq-question-1786199267132","position":8,"url":"https:\/\/www.carparts.com\/blog\/p1135-code-nissan-toyota-lexus\/#faq-question-1786199267132","name":"Do I need a scan tool to diagnose Toyota DTC P1135?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Yes, at minimum to read the code and freeze frame data. You'll also want a multimeter and a vehicle-specific wiring diagram.","inLanguage":"en-US"},"inLanguage":"en-US"}]}},"featured_image_src":"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/11\/p1135-obd-code.jpeg","featured_image_src_square":"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/11\/p1135-obd-code.jpeg","author_info":{"display_name":"CarParts.com Research Team","author_link":"https:\/\/www.carparts.com\/blog\/author\/thecpteam\/"},"authors":[{"term_id":2607,"user_id":1651,"is_guest":0,"slug":"thecpteam","display_name":"CarParts.com Research Team","avatar_url":{"url":"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2024\/04\/thecpteam.jpg","url2x":"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2024\/04\/thecpteam.jpg"},"author_category":"","user_url":"https:\/\/www.carparts.com\/blog\/author\/thecpteam\/","last_name":"","first_name":"CarParts.com Research Team","job_title":"","description":"The CarParts.com Research Team is composed of experienced automotive and tech writers working with (ASE)-certified automobile technicians and automotive journalists to bring up-to-date, helpful information to car owners in the US. Guided by CarParts.com's thorough editorial process, our team strives to produce guides and resources DIYers and casual car owners can trust."},{"term_id":2985,"user_id":1646,"is_guest":0,"slug":"richardmccuistian","display_name":"Richard McCuistian, ASE Certified Master Automobile Technician","avatar_url":{"url":"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/11\/richard-mccuistian.png","url2x":"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/11\/richard-mccuistian.png"},"author_category":"","user_url":"https:\/\/www.carparts.com\/blog\/author\/richardmccuistian\/","last_name":"McCuistian","first_name":"Richard","job_title":"ASE Certified Master Automobile Technician","description":"<div class=\"auth-social-links\"><a href=\"https:\/\/www.linkedin.com\/in\/richard-mccuistian-2681891b\/\" class=\"btn\" rel=\"nofollow noopener\" target=\"_blank\" aria-label=\"linkedin\" aria-labelledby=\"linkedin\">LinkedIn<\/a><a href=\"https:\/\/www.youtube.com\/user\/McCuistian\" class=\"btn\" rel=\"nofollow noopener\" target=\"_blank\" aria-label=\"instagram\" aria-labelledby=\"instagram\">Youtube<\/a><\/div>\r\n\r\nRichard McCuistian grew up in Alabama learning from his father who ran an automotive repair shop. Richard has worked for nearly 50 years in the automotive field as a professional technician, an instructor, a freelance automotive writer for Motor Age, ACtion magazine, Power Stroke Registry, and others (published every year since May 2000). He has developed training courses and written or edited training material for companies in the U.S. Canada, and the Netherlands, and even Bulgaria. He maintained an \u201cask a mechanic\u201d website for 10 years answering questions emailed to him from all over the world.\r\n\r\nRichard has an instructional automotive YouTube channel \u201cMcCuistian\u201d with 13,500 subscribers and over 1,300 videos. Much of his professional work requires photography and videography in shop environments, but Richard also enjoys taking pictures of landscapes, skyscapes, old barns and houses, small towns. He has produced a coffee table book of digital watercolors called \u201cMemories of South Alabama\u201d created from his personal photos, along with a dozen Christian fiction short original novels and a collection of short stories, all available in Kindle or softcover format. Richard has written a 2,500-word Bible study every week for the past 20 years and uses it to teach a small group at his church every Sunday morning.\r\n\r\n<strong>Credentials:<\/strong>\r\n\r\n<ul class=\"author-list\">\r\n<li><p>ASE Certified for more than 30 years in 10 categories, including L1 Advanced Engine Performance and Light Vehicle Diesel.<\/p><\/li>\r\n<li><p>Professional Mechanic\/Technician for 25 years with experience on diesel and gasoline engines, vehicles and equipment (including hydraulics).<\/p><\/li>\r\n<li><p>Spent 5 years in fleet maintenance, 20 years in independent shops and dealerships (VW, Mazda, Renault, Jeep, Ford, Lincoln), specializing in driveability and electronics for the last 14 years of his career at the same dealership.<\/p><\/li>\r\n<li><p>Senior Contributing Editor at Motor Age Magazine, first published in Motor Age in May of 2000 and every year since. He has won two International Automotive Media Awards for technical articles published in trade magazines.<\/p><\/li>\r\n<li><p>Has attended hundreds of hours of automotive training from OEMs including GM, Volkswagen, Mazda, Renault, Jeep, Chrysler, as well as additional training at events like KC Vision and MACS (Mobile Air Climate Systems Association).<\/p><\/li>\r\n<li><p>Taught college level auto mechanics for 19 years.<\/p><\/li>\r\n<li><p>Has written for automotive training companies (including course development work for training companies in Canada and the Netherlands) and has been hired to teach professional trade show technician courses at multiple training events in Texas and Alabama.<\/p><\/li>\r\n<li><p>While still teaching at the college level, Richard launched a new automotive program in Geneva, Alabama, setting up a dual enrollment department in a new building, organizing the shop and classroom, teaching morning classes to high school students for 2 years while still teaching at the college in the afternoon.<\/p><\/li>\r\n<li><p>Richard\u2019s college program at Lurleen B. Wallace Community College worked at professional shop speed during his tenure to prepare graduates for production level work in the real world.<\/p><\/li>\r\n<\/ul>"}],"_links":{"self":[{"href":"https:\/\/www.carparts.com\/blog\/wp-json\/wp\/v2\/posts\/19594","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.carparts.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.carparts.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.carparts.com\/blog\/wp-json\/wp\/v2\/users\/1651"}],"replies":[{"embeddable":true,"href":"https:\/\/www.carparts.com\/blog\/wp-json\/wp\/v2\/comments?post=19594"}],"version-history":[{"count":0,"href":"https:\/\/www.carparts.com\/blog\/wp-json\/wp\/v2\/posts\/19594\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.carparts.com\/blog\/wp-json\/wp\/v2\/media\/19599"}],"wp:attachment":[{"href":"https:\/\/www.carparts.com\/blog\/wp-json\/wp\/v2\/media?parent=19594"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.carparts.com\/blog\/wp-json\/wp\/v2\/categories?post=19594"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.carparts.com\/blog\/wp-json\/wp\/v2\/tags?post=19594"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/www.carparts.com\/blog\/wp-json\/wp\/v2\/ppma_author?post=19594"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}