LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2017 >> Malibu LS >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 29 (Engine Controls And Fuel - 1.8L (LKN) - DTC P0446 To DTC P2635 And Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P2400-P2402: Evaporative Emission (EVAP) System Leak Detection Pump Control Circuit >> Circuit/System Description

Circuit/System Description

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

The evaporative emission (EVAP) system uses an EVAP leak detection pump to test for system leaks. The EVAP leak detection pump assembly consists of the following components:

The ECM commands the EVAP leak detection pump control circuit through an internal switch called a driver. The ECM monitors the commanded and actual status of the driver. If the ECM detects they do not match a DTC sets.

scientia non olet · About LEMON Manuals