Civic Sedan L4-1.5L SOHC (16 valve) (1995)
Vacuum Brake Booster: Testing and Inspection
Functional Test
1. With engine stopped, depress brake pedal several times, then depress pedal hard and hold for 15 seconds. If pedal sinks, master cylinder, brake
line or brake caliper is faulty.
2. With brake pedal depressed, start engine. If pedal sinks slightly, vacuum booster is operating. If pedal height does not vary, booster or check valve
is faulty.