Mitsubishi 3000GT Service Manual page 907

Diagnosis Table
No.
Scan tool
display
01
(1)
M
(2) Using the scan tool,
02 FL VALVE
M
(3) Turn the selected
03 RR VALVE
M
04 RL VALVE
M
SERVICE BRAKES - On-vehicle Service
Depressed
Released
Pressure increase
Pressure hold
Pressure decrease
Lock
Drag force
when the pedal
is free
7. If the result of inspection is abnormal, correct according
to the "Diagnosis Table."
Operation
Depress brake pedal to Brake force Wheel does
lock wheel. released for
2 seconds
after locking.
select the wheel to be
checked and force the
actuator to operate.
wheel manually to
check the change of
brake force.
8. After inspection, disconnect the scan tool immediately
after turning the ignition switch to OFF.
Scan tool actuator test
3 sec.
Normal Abnormal
condition
condition
not lock
when brake
pedal is
depressed.
Brake force
is not
released.
Probable
Remedy
cause
Clogged Check and
brake line clean brake
otherthan HU line
Clogged
Replace HU
hydraulic
assembly
circuit in HU
Incorrect HU Connect
brake tube correctly
connection
HU solenoid
Replace HU
valve not assembly
functioning
correctly