LEMON Manuals: Even more car manuals for everyone
Home >> Buick >> 2004 >> Century Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 91 (Engine Controls Diagnosis 3.8L (DTC P0455 To P1404)) >> Diagnosis >> DTC P0651 >> Circuit Description

Circuit Description

WARNING: This page is about a different car, the 2004 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.

The powertrain control module (PCM) provides 5 volts to the air conditioning (A/C) refrigerant pressure sensor. The PCM monitors the voltage on the 5-volt reference circuit. If the PCM detects that the voltage is out of tolerance, DTC P0651 sets.

scientia non olet · About LEMON Manuals