Component Testing: Notes
WARNING: This page is about a different car, the 2010 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
Static Test
- Ignition OFF, disconnect the harness connector at the high pressure fuel pump.
- Test for 0.35-0.6 Ω at 20°C (68°F) of resistance between low control circuit terminal 1 and high control circuit terminal 2.
- If the resistance is less than 0.3 Ω or greater than 0.6 Ω, replace the high pressure fuel pump.
- Test for infinite resistance between each terminal and the high pressure fuel pump housing/case.
- If not the specified value, replace the high pressure fuel pump.
NOTE:
The DMM and test leads must be calibrated to 0 Ω in order to prevent misdiagnosis.