This category on the website [ Sensors and Wiring ] we are giving you all of the information related to the individual sensors in the Buick Turbo Regal, along with the associated wiring, connector plugs, etc.
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VEHICLE APPLICATION:
Buick Regal, T-Type, Turbo T, Limited, Grand National, GNX
SENSOR NAME:
This piece is called a variety of things, AKA:
Intake Air Temperature sensor (IAT)
Manifold Air (or Mass Air) Temperature sensor (MAT)
Air Temperature Sensor (ATS)
They are all the same thing on the TR’s.
PURPOSE OF SENSOR:
Measures incoming air temperature, sends signal to ECM
TURNS ON-OFF / FUNCTIONS / USED WHEN:
constantly monitoring with engine on
LOCATION IN VEHICLE:
up pipe
air inlet pipe (on oem: between airbox and MAF)
ORIGINAL GM PART NUMBER:
25036751
SENSOR / BASE COLOR:
brass, black sensor (bottom)
CONNECTOR PLUG COLOR (SENSOR SIDE):
gray or white
WIRES ATTACHED (SENSOR SIDE):
n/a
CONNECTOR PLUG COLOR (HARNESS SIDE):
gray
NUMBER OF WIRES ATTACHED (HARNESS SIDE):
2
COLOR & PURPOSE OF (HARNESS SIDE) WIRES:
tan, goes to ECM (5v, manifold air temperature input) “C11”
black, goes to (junction) to ground
(junction connects with TPS “C”, coolant temp sensor “A”)
THINGS TO KNOW ABOUT THIS ITEM:
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OTHER NOTES:
labelled “Manifold Air Temperature Sensor” on diagrams.
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you can see here: 1984/1985 sensor locations
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PHOTOS OF SENSOR AND CONNECTED WIRES:
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P
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Here’s a list of all of the sensors in the Buick Regal:
(you can click the links to go to the one you need info about, after they’re published)
* Air Temperature Intake Sensor (IAT; MAT; ATS)
* Camshaft Sensor (CAM)
* Coolant Temperature Sensor (CTS)
* Crank Sensor
* Knock Sensor
* Mass Air Flow Sensor (MAF)
* Manifold Air Pressure Sensor (MAP)
* Oxygen Sensor (O2, narrowband)
* Throttle Position Sensor (TPS)
* Turbo Boost Gage Sensor
* Twilight Sentinel Photo Cell Sensor
* Vehicle Speed Sensor
* Wideband Oxygen Sensor (WBO2)
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