Honda Pilot: Brake Booster Pressure Monitoring System Description - Overview
Function
The brake booster pressure monitoring system adopted in this vehicle is used to prevent reduced braking force due to the decreased amount of vacuum in the brake booster when the engine transitions to the automatic idling stop. Attaching a brake booster pressure sensor to the brake booster enables the PCM to monitor the amount of vacuum in it. This allows the PCM to activate/deactivate the auto idling stop in response to the increase or decrease of vacuum in the brake booster.
The idling stop indicator blinks when this system fails.
Conditions for the Brake Booster Pressure Monitoring System to Allow the Engine's Transition to the Automatic Idling Stop or to Prohibit it
The brake booster vacuum must reach the established point to ensure enough braking force and the engine must meet the activation conditions for the brake booster pressure monitoring system to allow for auto idling stop activation. If the engine does not meet the activation conditions and detects a decrease in vacuum in the brake booster, the brake booster pressure monitoring system prohibits the engine's transition to the automatic idling stop.
Brake System Description - Overview
| Measurement | Qualification | Specification |
| Service brake | Front | Power-assisted self-adjusting ventilated disc |
| Rear | Power-assisted self-adjusting solid disc | |
| Parking brake | Type | Mechanical actuating, rear wheels in disc |
| Operation | Pedal | |
| Brake booster | 10.5 inch single type vacuum booster |
Honda Pilot 2016-2022 (YF5/YF6) Service Manual
Actual pages
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