Circuit/System Testing
WARNING: This page is about a different car, the 2008 Isuzu i-370, 2008 Isuzu i-290, 2008 GMC Canyon, and 2008 Chevrolet Colorado. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition OFF. Inspect the PPS module and PPS pressure sensor harness connectors for corrosion or damage.
- If any of the above conditions are found, make the appropriate repair.
- Reconnect all components, and test the PPS sensor circuits for a short to voltage, short to ground or open/high resistance.
- If any of the above conditions are found, make the appropriate repair.
- Reconnect all components and check for DTC 065 as current.
- If DTC 065 is not current, rezero the PPS.
- Replace and rezero the PPS. After replacement and rezeroing of the PPS are completed, perform the repair verification.