Mitsubishi Stealth 1994 Import Service Manual page 203

Good
No good
When engine is
When engine is
stopped
started
BRAKES
PARKING BRAKE SWITCH CHECK
1. Disconnect the connector of the parking brake switch, and
connect an ohmmeter to the parking brake switch and the
switch installation bolt.
2. The parking brake switch is good if there is continuity when
the parking brake lever is pulled and there is no continuity
when it is returned.
BRAKE BOOSTER OPERATING INSPECTION
For simple checking of brake booster operation, carry out the
following tests.
1. Run the engine for one or two minutes, and then turn the
engine off.
2. Step on the brake pedal several times with normal
pressure.
If the pedal depresses fully the first time but gradually
becomes higher when depressed succeeding times, the
booster is operating properly.
If the pedal height remains unchanged, the booster is
faulty.
3. With the engine stopped, step on the brake pedal several
times with the same pressure to make sure that the pedal
height will not change.
Then step on the brake pedal and start the engine.
If the pedal moves downward slightly, the booster is in
good condition. If there is no change, the booster is faulty.
4. With the engine running, step on the brake pedal and then
stop the engine.
Hold the pedal depressed for 30 seconds. If the pedal
height does not change, the booster is in good condition. If
the pedal rises, the booster is defective.
Brake booster performance is satisfactory if it passes all three
operating tests.
If the brake booster does not pass all three tests, there may be
a fault in the check valve, vacuum hose or in the booster itself.
CHECK VALVE OPERATION CHECK
When checking the check valve, keep the check valve fit in the
vacuum hose.
1. Remove the vacuum hose.
Caution
The check valve is press-fit inside the vacuum hose and
do not remove the check valve from the vacuum hose.
5-47