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Ambient Temperature SensorWe have 199 Items for Ambient Temperature Sensor In-stock.
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Worried that the cold weather could catch you off guard when you get out of the car? Be prepared for it with an ambient temperature sensor. This sensor is mounted to a bracket that is screwed securely to the right side of the headlamp mounting module grille opening, which is at the back of the radiator grille and in front of the engine compartment. The ambient temperature sensor is a variable resistor that works on a five-volt reference signal that is delivered to it by the Body Control Module (BCM). The resistance in the sensor adjusts to the change in temperature, changing the temperature sensor signal circuit voltage to the BCM. Depending on the resistance in the sensor, the BCM senses a certain voltage on the temperature sensor signal circuit, which it is programmed to match a certain temperature. The BCM then sends the corresponding ambient temperature messages to the Vehicle Information Center (EVIC) over the Programmable Communications Interface (PCI) data bus. Ambient air temperature is monitored and checked by the EVIC through ambient temperature messages that it gets from the BCM over the PCI data bus network. The BCM obtains a hard wired input from the ambient temperature sensor. This sensor cannot be adjusted or fixed. If it gets broken, it needs to be replaced.Right here in Auto Parts Warehouse, you can get the best replacement for your ambient temperature sensor so you can continue to be aware of the exact temperature outside your vehicle especially when it is winter season. We have several top-grade sensors available for your vehicle at very affordable rates. We have high quality AC Delco ambient air temperature sensors that have a one-year or 12,000-mile AC Delco limited warranty. There are also AC Delco duct air temperature sensors, interior air temperature sensor assemblies, and sun load temperature sensors that you could purchase for your vehicle all having excellent durability and a 12-month or 12,000-mile warranty. You could also check out our vast selection of premium parts and accessories to help maintain your automobile's performance and even enhance it. Order now and avail of great deals like low price offers and fast delivery. We guarantee you a secure on-line transaction. Our 24/7 customer service and live chat is available anytime to give you added assistance and more helpful information. Be equipped to face whatever weather condition you encounter with an ambient temperature sensor in your automobile.
Date Published: July 30,2014
Ambient Temperature Sensor Replacement: A Breeze-Through Process
Inaccurate temperature reading on your car's Electronic Vehicle Information Center (EVIC) is an immediate reason to replace your ambient temperature sensor. This small, square chip (which is encased in a nozzle-like receptacle) reads the outside temperature and sends the signal to the data bus network, to the Body Control Module (BCM), and to the EVIC (the screen on the car's console that displays temperature data). If your EVIC consistently shows a -40-degree Fahrenheit reading, then that is your needed signal to get under your car and replace this component. If not, your engine will have problems in adjusting air-fuel ratio and in controlling the on-off function of the electric fans.
Replacing your ambient temperature sensor is just, more or less, a 20-minute task. Here are the tools you need and the steps you should follow when replacing your car's temperature sensor.
Difficulty level: Moderate
- New ambient temperature sensor
- Ramp or lift
- Two contact wires
- Wire crimpers
- Terminal connector
Step 1: Place the car on a lift or drive it on a ramp. If no ramp or lift is available, start by removing the bumper of the car in order to gain access to the underside of the engine.
Step 2: Locate the nozzle-like component behind the lower grille at the passenger side of the car. Unscrew this component from the mounting brace.
Step 3: Separate the parts of the plug housing (green and gray connectors, and white retaining clip). First, slide the white retaining clip out. Then, lift the small chip (the sensor) and separate the green and gray connectors. Insert the contact wires into the green housing and make sure that the ends snap in place to the slots in the housing.
Step 4: Replace the white retaining clip. Thread the contact wires through the gray housing and attach it to the green connector.
Step 5: Slide the temperature sensor into the receptacle. Mount the nozzle-like part onto the brace.
Step 6: Put the mounting brace back under the engine area where you took it out. You will need to position the right wheel to a certain degree outwards in order to have enough room for replacing the brace.
Step 7: Use the crimpers to strip the end of the wires sticking out from the mounting brace. Add the terminal connector to the crimped wires, and then connect these wires to the two contact wires.
Step 8: Coat the wires and connector with anti-seize to stall corrosion. Make sure that the wires are secured closely to the outside surface of the mounting brace so that the connection will be safe from mud or water.
Step 9: Drive the car and check if the temperature reading starts to move.