Mitsubishi Evolution X. Manual - part 812
DIAGNOSIS
TSB Revision
ACTIVE SKID CONTROL SYSTEM (ASC)
35C-255
DATA LIST REFERENCE TABLE
M1355001500216
The following items of ECU input data can be read
using the scan tool.
1. The system is normal.
Item No.
Check item
Check conditions
Normal conditions
01
FL wheel speed sensor
Perform a test run of the vehicle. The speedometer display and
scan tool display almost agree
with each other. <Vehicle
stopped: Approximately 0.7
km/h (1.1 mph)>
02
FR wheel speed sensor
03
RL wheel speed sensor
04
RR wheel speed sensor
05
Power supply voltage
System voltage (10 to 18 V
ASC operable range)
07
Brake switch (input)
The brake pedal is depressed.
ON
The brake pedal is released.
OFF
08
Lateral G sensor (+: left
turn, -: right turn)
Vehicle stopped (level)
-0.11 to 0.11 G
Running
-1 to 1 G
09
G sensor (+: deceleration,
-: acceleration)
Vehicle stopped (level)
-0.11 to 0.11 G
Running
-1 to 1 G
10
Master cylinder pressure
The brake pedal is depressed.
Increases by the amount of
the brake pedal depression.
The brake pedal is released.
-3 to 3 bar
11
Steering angle (+: left turn,
-: right turn)
Vehicle stopped (Steering wheel
in neutral position)
-6 to 6 deg
Running
Nearly the same as the
steering wheel operation angle
<-720 to 720 deg (ASC-ECU
normal detection value)>
When removed from vehicle
(Steering wheel sensor as a
single unit)
Nearly the same as the
steering wheel operation angle
<-850 to 850 deg (Sensor
normal value as a single unit)>
12
Yaw rate sensor (+: left
turn, -: right turn)
Vehicle stopped (level)
-3.6 to 3.6 deg/s
Running
-100 to 100 deg/s
14
Brake switch
The brake pedal is depressed.
ON
The brake pedal is released.
OFF
15
Emission test mode
Emission test mode: ON
ON
Emission test mode: OFF
OFF
26
Brake fluid pressure
switch
Brake fluid level is lower than the
"LOWER" marking.
Low
Brake fluid level is higher than
the "LOWER" marking.
Normal