LEMON Manuals: Even more car manuals for everyone
Home >> Pontiac >> 2008 >> Torrent GXP, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 151 (Engine Controls And Fuel - 3.4L - DTC P0401 To DTC P2544) >> DTC P0685, P0689, or P0690 >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2009 Pontiac Torrent and 2009 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON, command the powertrain relay ON and OFF with a scan tool while observing the following powertrain relay coil control circuit status parameters:
    • The powertrain relay coil control Ckt. Short Gnd Test Status
    • The powertrain relay coil control Ckt. Open Test Status
    • The powertrain relay coil control Ckt. Short Volts Test Status
    • Each parameter should toggle between OK and Not Run or Not Run and OK
  2. Ignition ON, engine OFF, with a test lamp, probe both test points of all the fuses that are powered by the powertrain relay. The test lamp should illuminate ON for at least one test point of each fuse.
  3. Operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.
scientia non olet · About LEMON Manuals