PC1

CAUTION: It is imperative that this procedure be performed before attempting any further diagnosis. Failure to do so can result in improper diagnosis.

PC1 PERFORM ELECTRICAL SYSTEM PRE-CHECK
- Verify that all of the electrical connectors connected to the Electronic Hydraulic Control Unit (EHCU) and the brake anti-lock sensors are secure and free of contaminants or corrosion.

- Verify that fuse 19 (60A) in the engine compartment fuse junction panel is fully seated and intact.

- Verify that fuses 11 (15A) and 21 (15A) in the I/P fuse junction panel are fully seated and intact.

Verify that the system ground eyelet is firmly attached to the ground stud and is free of corrosion and excessive dirt.

- Are all connections secure and electrical components fully seated and intact?

> Yes
Go to Pre-Check PC 2. PC2

> No
Correct the condition. Go to Pre-Check PC 2. PC2