PC1

- Verify that all of the following connectors are connected and the terminals are secure and free of contaminants or corrosion.
- 40-pin ECU connector

- 8-pin HCU connector

- 4-pin pump motor connector

- 2-pin front sensor connectors (2)

- Open power distribution box and verify that both the system relay and pump motor relay and diode are fully seated.

- Gently pull on relay and diode terminals beneath power distribution box to make sure all are secure.

- Verify that both the system fuse and pump motor fuse are present and intact.

- Verify that the system ground eyelet at the left hand radiator support is firmly attached to the weld stud and is free of corrosion and excessive dirt.
- Are all connections secure and fuses operational?

YES -- Go to PC2. PC2

NO -- Correct condition. Go to PC2. PC2