Camshaft Position (CMP) Sensor

Fig 1: View Of HO2S1 Electrical Connector

Courtesy of GENERAL MOTORS CORP.

The camshaft position (CMP) sensor (2) is located in a distributor style housing at the rear of the bank 1 cylinder head. The PCM uses the CMP sensor input in order to control the fuel injectors and the ignition timing. The CMP sensor is adjustable.