The sensor should match or exceed the reading from the pyranometer in all cases. So if your cars sun sensor isnt working properly, its important to get it fixed as soon as possible. The EATC compares these values and makes output decisions based on the difference between these air temperatures.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'freeasestudyguides_com-box-4','ezslot_1',124,'0','0'])};__ez_fad_position('div-gpt-ad-freeasestudyguides_com-box-4-0'); This sensor can be tested for resistance with an ohmmeter. Q: How does a sun load sensor work? In most cases, the warning light will turn on when the coolant temperature reaches a certain. It measures the amount of sunlight that is hitting the interior of the vehicle, which helps to determine the temperature setting of the climate control system. These sensors can be located in different areas throughout the vehicle.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[320,100],'freeasestudyguides_com-medrectangle-4','ezslot_0',116,'0','0'])};__ez_fad_position('div-gpt-ad-freeasestudyguides_com-medrectangle-4-0'); The In-Car Temperature sensor (ICTS) is a negative temperature coefficient sensor. Required fields are marked *. There are two main types of sun load sensors: carbon potentiometers and position sensitive devices (PSDs). Johnny showed up early to the appointment and was very thorough in his inspection. The B2631 is a fairly straight forward code pointing to a problem with the Sunload Sensor. A/C compressor inoperative Incorrect reading on temperature gauge. What are the Symptoms of a Bad or Failing Ambient Temperature Sensor? A malfunctioning sun load . When the sunload sensor is checked indoors or in the shade, an open circuit might be indicated. Inconsistent cooling or not cooling at all. Q: What causes a sun load sensor to fail? Mazda Miata - Heating AC - Peoria, Arizona. This is usually caused by a combination of factors, including low coolant levels, a faulty thermostat, or a blocked radiator. This can be done with a digital multimeter connected directly to the connector plug on the sensor. A sun load sensor is an important component of a vehicles climate control system. The fuel tank on your vehicle is under the rear passenger seat. They are able to do this by using a series of sensors that work together to activate and regulate the AC system. B2631 Nissan Code - Sunload Sensor Malfunction. If your car's sun load sensor is failing, you may notice one or more of the following symptoms: 1. The exact location of these sensors can vary depending on the specific model of the engine. Failure causes and sources of errors in sensors - WIKA blog Our service team is available 7 days a week, Monday - Friday from 6 AM to 5 PM PST, Saturday - Sunday 7 AM - 4 PM PST. Coolant Temperature Sensor (CTS) Function, Symptoms and Replacing, Fuel Pressure Sensor; All You Need To Know, Fuel Level Sensor: Everything You Need to Know, Everything You Need To Know About The Oxygen Sensor, Manifold Absolute Pressure Sensor (MAP); All You Need To Know. h) or less Cause: Sunload sensor A/C auto amp. Sunload sensors are usually located at the top of the dash and are often mounted on a removable plate, speaker grill, or defroster vent. Most vehicles will have some sort of display somewhere on the interior of the vehicle that indicates the outside temperature of the vehicle, usually read by the ambient temperature sensor. by incorrect cleaning products Contamination of filters or sinters e.g. ACDelco 6 Terminal Sun Load Temperature Sensor - 13525290. Received Code "B2631" (DTC SUNLOAD SENSOR) on 2009 Nissan - JustAnswer When you purchase through links on our site, we may earn an affiliate commission, which supports our community. If your sun load sensor has been determined to be faulty, then it will need to be replaced in order to ensure proper operation of your vehicles engine management system.