Hybrid Braking System: Notes

The hybrid vehicle is equipped with a few additional components, including:

• Active brake booster - which includes the brake booster vacuum sensor, the active brake booster solenoid and the active brake booster travel sensor. The sensors are serviced separately from the active brake booster. The booster solenoid is not serviced separately from the active brake booster.
• Brake pedal angle sensor - located on the brake pedal bracket and can be serviced separately from the pedal bracket.
• Brake pedal feel cut-off solenoid - located on the brake pedal bracket and is serviced with the pedal bracket.
• Brake pedal feel simulator - located on the brake pedal bracket and is serviced with the pedal bracket.
• Electric vacuum pump - located in the front of the engine compartment below the intake manifold.
• Vacuum pump relays - vacuum pump operation is controlled by 1 solid state relay and 1 mechanical relay. Both relays are located in the auxiliary relay box.