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Home >> Pontiac >> 2008 >> Torrent GXP, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 120 (Engine Cooling System) >> Diagnostic Information and Procedures >> Cooling Fan Inoperative (3.4L) >> 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. If DTCs P0480, P0481, P0691, P0692, P0693, or P0694 are set, then perform those diagnostics first.
  2. Verify with a scan tool that the ECM is not commanding fan relay activation.
  3. Ignition ON, command each relay ON and OFF with a scan tool. Observe to verify that the fan turns ON and OFF with each command.