LEMON Manuals: Even more car manuals for everyone
Home >> Chrysler >> 2012 >> 300 C, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 10 (3.6L - DTCS P0501 To P1128) >> Diagnosis And Testing >> P0645-A/C Clutch Relay Circuit >> Theory Of Operation

Theory Of Operation

WARNING: This page is about a different variant/trim than selected.

The Powertrain Control Module (PCM) receives a signal requesting the A/C Compressor to be turned on from the HVAC. When the PCM receives this request it grounds the control side of the relay.