Principle Of Operation
For a detailed description of the power brake actuation system, refer to the relevant Description and Operation portion in the Service Information. REFER to: POWER BRAKE ACTUATION - VEHICLES WITH: MHEV/NON-ELECTRIC VEHICLES .
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 .