Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Chevrolet >> 2008 >> Cobalt SS >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 10 (Engine Control System & Fuel System - 2.4L - DTC P0010 To DTC P0366) >> DTC P0230 >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different variant/trim than selected.
IMPORTANT: An open or a short to voltage in the control circuit will cause both the Ckt. Open Test Status and the Ckt. Short Volts Test Status parameters to display Fault.

Ignition ON, command the fuel pump relay ON and OFF with a scan tool while observing the following control circuit status parameters:

Each parameter should toggle between OK and Not Run or Not Run and OK.