Ls Map Sensor Wiring Diagram

The wire in painless performance kits runs a little larger than the standard.

Ls map sensor wiring diagram.

The map sensor uses a three wire connector. Function 1 blk 451 pcm ground 2 lt grn 1867 12 volt reference ckp pin c 3 pnk blk 1746 fuel injector 3 control. 1999 02 ls1 pcm pinouts camaro firebird corvette similar pcm connector blue pin wire color circuit no. You need to identify the signal reference and ground wires using your vehicle repair manual.

This will allow the computer to supply a reference voltage to the map sensor. Turn the ignition key to the on position but don t start the engine. Primary wire is typically an 18 gauge wire and is the most common wire found in wiring harnesses. Checking for reference voltage.

The larger wires that feed heavy draw circuits are typically 14 to 12 gauge. The primary wires are 16 gauge with 12 gauge for heavy draw items such as the headlights. Map sensor pin c 49 50 not used 51 dk blu 496 ks 1 signal front sensor pin a. This is a discussion on map wiring within the computer tuning forums part of the lsx technical help section category.

This sensor is found on 1991 1992 tpi engines and 1992 1997 lt1 engines. The ls1 ls6 ls2 map sensor bottom left is sealed to the intake manifold with a rubber seal.