Function And Operation Check Of Power Supply System

WARNING: This page is about a different car, the 2006 Mitsubishi Montero. However, it is still accessible from the selected car via links, so may be relevant.

Depress the brake pedal repeatedly more than 40 times until the pedal depressing force feels heavy with the ignition switch at the "LOCK" (OFF) position to release the pressure of HBB power supply system.
Check that the fluid level in the reservoir is at the "MAX" line.
Chock the wheels and release the parking brake.
Turn the ignition switch to the "ON" position and measure how long it takes for the pump motor to start, then stop.
Standard value: 20 - 80 seconds
After the pump motor stops, start the engine to confirm that the brake warning light does not come on.
Stop the engine and turn the ignition switch to the "ON" position again.
Confirm that the pump motor operates, then stops when the brake pedal is depressed repeatedly 4 to 5 times.
Depress the brake pedal repeatedly 4 to 5 times again to measure how long it takes for the pump motor to start, then stop.
Standard value: 2 - 11 seconds
Check and confirm the following items 120 seconds or more after turning ON the ignition switch.
CAUTION: Check and confirm the following items 120 seconds or more after turning the ignition switch to the "ON" position.
Confirm that the buzzer sounds and the brake warning light illuminates when the brake pedal is fully depressed 15 to 20 times within 10 seconds.