Principle Of Operation
For a detailed description of the hydraulic brake actuation system, refer to the relevant Description and Operation article in the repair information. Refer to: HYDRAULIC BRAKE ACTUATION
CAUTION:
Diagnosis by substitution from a donor vehicle is NOT
acceptable. Substitution of control modules does not guarantee confirmation of a fault, and may also cause additional faults in the vehicle being tested and/or the donor vehicle
For additional information. Refer to: BRAKE SYSTEM