Mitsubishi 1989-1993 GALANT Service Manual page 980

ACTIVE-ELECTRONIC CONTROL SUSPENSION - Troubleshooting
Operation
The slitted disc installed to the steering shaft inter-
rupts, or allows light to pass with the result that
electric signals corresponding to the angular-veloci-
Diagnostic
If there is damage or disconnection of the heavy-line
circuit, the alarm light illuminates and control is as
Diagnostic No.
Attitude control
21 Control stop
Service data indication
Code No. Indication
21 Indicates the ON or OFF status
individually for STR 1 and STR. 2.
ECU terminal voltages (when connector is connected)
Terminal
Signal
No.
25 Power source for sensor
53 Steering angular-velocity sensor (1)
60 Steering angular-velocrty sensor (2)
36 Sensor circuit ground
Checking the steering angular-velocity sensor circuit (with the connector disconnected)
Terminal Connection destination or Measurement
No. measured part
Steering angular-velocity Resistance
sensor power-supply
Steering angular-velocity Resistance
sensor
ty of the steering wheel movement are detected
and passed to the ECU.
described in the table below.
Damping force Vehicle-height
control
Held at MEDIUM
Held at NORM
vehicle height.
21: STEER. SNSR. ST1 ON/OFF ST2 ON/OFF
When the ECU is activated
When the photo-interruptor is ON
When the photo-interruptor is OFF
When there is damaoe or disconnection of the harness
Constantly
Tester connection
25-36
53-36
TSB Revision
Switch acceptance
control
HIGH SPORT
I
Display
Condition
Check condition
Connect the tester's t-i probe to
terminal 25, and the (+ ) probe
to terminal 36.
Note:
Even If the result is good, the
sensor must not be judged to be
working.
Turn the steering wheel slowly.
AUTO SOFT
Not accept
I
voltage
o v
o v
Standard
Continuity
exists. (The
indicator
fluctuates
No
continuity
Continuity