Mitsubishi Eclipse 1990 Service Manual page 1705

INSPECTION PROCEDURE FOR TROUBLE SYMPTOMS
INSPECTION PROCEDURE
Communication with scan
(Communication with all
[Comment]
The reason is probably a defect in
the diagnostic line.
Refer to GROUP -Troubleshooting.
I N S P E C T I O N P R O C E D U R E 2
Communication with scan tool is
(Communication with ABS only is not
When the s&an tool is not possible, the cause is probably an
open circuit in the ABS-ECU power circuit or an open circuit in the diagnostic output
circuit.
Measure at data link connector
and ABS-ECU connector
Disconnect the connector and mea-
sure at the side.
Continuity between the following
terminals.
OK: Continuity
ABS-ECU side to Data link
connector side
OK
Measure at ABS-ECU connector
Disconnect the connector and mea-
sure at the harness side.
Ignition switch ON
Voltage between terminal 18 and
ground.
OK: Battery positive voltage
OK
Measure at ABS-ECU connector
Disconnect the connector and mea-
sure at the harness side.
and body ground.
OK: Continuity
, __
not possible.
is not
supply system (including ground) for
C h e c k t h e
ABS-ECU and
. .
necessary.
NG
* and
Check trouble symptoms
Check the harness between fuse No.
13 the junction block and
ABS-ECU. Repair, if necessary.
TSB Revision
, .
cause
Probable
.
Blown fuse
Malfunction of
Malfunction of ABS-ECU
NG
between the
link connector.
NG
Repair
OK
, ,
.
,
. . . .
.
,
connector
. . . .
Repair
.
.
,
-1.
.
.
. .
.